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L&T Protection Relay

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L&T [ Lauritz Knudsen ] REO 1.1 Electronic Motor Protection Relay CS90418OOLO

Ships within 6 days

L&T [ Lauritz Knudsen ] REO 1.1 Electronic Motor Protection Relay CS90418OO_O Series

By L&T

₹7,787 - ₹14,159

The L&T [ Lauritz Knudsen ] REO 1.1 Electronic Motor Protection Relay, part of the CS90418OO_O Series, signifies a breakthrough in motor protection technology. Engineered by L&T, this relay provides advanced protection features tailored to ensure the safe and efficient operation of motors in various industrial applications. Distinguished by the CS90418OO_O Series designation, this relay reflects L&T's commitment to innovation and excellence. It offers comprehensive protection against a wide range of motor faults, including overloads, phase imbalances, short circuits, and other electrical anomalies, thus minimizing the risk of motor damage and downtime. The REO 1.1 relay undergoes rigorous testing to meet stringent industry standards, ensuring its reliability and effectiveness in demanding industrial environments. It features customizable settings and advanced functionalities such as thermal overload protection, phase loss detection, and fault indication, allowing for tailored protection solutions for specific motor applications. Whether deployed in manufacturing plants, process industries, or commercial facilities, the L&T REO 1.1 Electronic Motor Protection Relay CS90418OO_O Series delivers dependable performance, ensuring uninterrupted operation and mitigating the risk of costly disruptions.

Type of Product : Electronic Motor Protection Relay

Mounting Type : MO 9-45

Type : REO 1.1

Suitable For : MO Contactor

L&T [ Lauritz Knudsen ] MPR200nX Motor Protection Relay MPR200BB010

Ships within 30 days

L&T [ Lauritz Knudsen ] MPR200nX Motor Protection Relay MPR200B_010 Series

By L&T

₹7,433 - ₹7,433

The L&T [ Lauritz Knudsen ] MPR200nX Motor Protection Relay, part of the MPR200B_010 Series, stands as a reliable solution for safeguarding motors in various industrial applications. Engineered by L&T, this relay offers advanced protection features tailored to ensure the safe and efficient operation of motors. Distinguished by the MPR200B_010 Series designation, this relay highlights L&T's commitment to innovation and quality. It provides comprehensive protection against overloads, phase imbalances, short circuits, and other motor faults, minimizing the risk of motor damage and downtime. The MPR200nX relay undergoes stringent testing to meet industry standards, ensuring its reliability and effectiveness in demanding industrial environments. It features customizable settings and advanced functionalities such as thermal overload protection, phase loss detection, and fault indication, allowing for tailored protection solutions for specific motor applications. Whether deployed in manufacturing plants, process industries, or commercial facilities, the L&T MPR200nX Motor Protection Relay MPR200B_010 Series delivers dependable performance, ensuring uninterrupted operation and mitigating the risk of costly disruptions.

Voltage : 240V AC

Type : MPR200nX

Device Code : 49, 51LR, 37, 46

O/L Range (A) : 1-2.75 A

L&T [ Lauritz Knudsen ] MPR300 Motor Protection Relay MPR305BE320

Ships within 30 days

L&T [ Lauritz Knudsen ] MPR300 Motor Protection Relay 32-88 A, MPR305B_320 Series

By L&T

₹21,239 - ₹21,239

The L&T [ Lauritz Knudsen ] MPR300 Motor Protection Relay, part of the MPR305B_320 Series, represents a state-of-the-art solution in ensuring the safe and efficient operation of motors in various industrial applications. Engineered by L&T, this relay offers comprehensive protection features tailored to safeguard motors against a range of electrical faults. Distinguished by the MPR305B_320 Series designation, this relay underscores L&T's commitment to innovation and reliability. It provides robust protection against overloads, phase imbalances, short circuits, and other motor faults, thereby minimizing the risk of motor damage and downtime. The MPR300 relay undergoes rigorous testing to meet stringent industry standards, ensuring its reliability and effectiveness in demanding industrial environments. It features customizable settings and advanced functionalities such as thermal overload protection, phase loss detection, and fault indication, allowing for tailored protection solutions for specific motor applications. Whether deployed in manufacturing plants, process industries, or commercial facilities, the L&T MPR300 Motor Protection Relay MPR305B_320 Series delivers dependable performance, ensuring uninterrupted operation and reducing the risk of costly disruptions.

Type of Product : Motor Protection Relay

Type : MPR300

O/L Range (A) : 32-88 A

L&T [ Lauritz Knudsen ] MPR200nX Electronic Motor Protection Relay MPR204BB160

Ships within 30 days

L&T [ Lauritz Knudsen ] MPR200nX Electronic Motor Protection Relay MPR20_BB_ _ _ Series

By L&T

₹8,613 - ₹12,979

The L&T [ Lauritz Knudsen ] MPR200nX Electronic Motor Protection Relay, part of the MPR20_BB_ _ _ Series, represents a cutting-edge solution for safeguarding motor-driven systems. This relay is designed with electronic precision to offer advanced protection features tailored for various motor applications, ensuring optimal performance and longevity. Distinguished by the MPR20_BB_ _ _ Series designation, this relay exemplifies L&T's commitment to innovation and quality. Engineered with electronic sophistication, it provides comprehensive protection against a range of motor faults, including overload, phase imbalance, and short circuits, thereby minimizing the risk of motor damage and downtime. The MPR200nX relay undergoes rigorous testing to meet industry standards, ensuring its reliability and effectiveness in demanding industrial environments. It features customizable settings and advanced functionalities such as thermal overload protection, phase loss detection, and fault indication, allowing for tailored protection solutions tailored to specific motor applications. Whether deployed in manufacturing plants, process industries, or commercial facilities, the L&T MPR200nX Electronic Motor Protection Relay MPR20_BB_ _ _ Series delivers dependable performance, ensuring uninterrupted operation and mitigating the risk of costly disruptions.

Type of Product : Electronic Motor Protection Relay

Type : MPR200nX

L&T [ Lauritz Knudsen ] REO 1.1G Electronic Motor Protection Relay CS90423OOGO

Ships within 60 days

L&T [ Lauritz Knudsen ] REO 1.1G Electronic Motor Protection Relay CS90423OO_O Series

By L&T

₹20,059 - ₹22,419

The L&T [ Lauritz Knudsen ] REO 1.1G Electronic Motor Protection Relay, part of the CS90423OO_O Series, represents a cutting-edge solution in motor protection technology. Engineered by L&T, this relay provides advanced features tailored to ensure the safe and efficient operation of motors in various industrial applications. Distinguished by the CS90423OO_O Series designation, this relay epitomizes L&T's commitment to innovation and excellence. It offers comprehensive protection against a wide range of motor faults, including overloads, phase imbalances, short circuits, and other electrical anomalies, minimizing the risk of motor damage and downtime. The REO 1.1G relay undergoes rigorous testing to meet stringent industry standards, ensuring its reliability and effectiveness in demanding industrial environments. It features customizable settings and advanced functionalities such as thermal overload protection, phase loss detection, and fault indication, allowing for tailored protection solutions for specific motor applications. Whether deployed in manufacturing plants, process industries, or commercial facilities, the L&T REO 1.1G Electronic Motor Protection Relay CS90423OO_O Series delivers dependable performance, ensuring uninterrupted operation and mitigating the risk of costly disruptions.

Type of Product : Electronic Motor Protection Relay

Mounting Type : MO 9-45

Type : REO 1.1G

Suitable For : MO Contactor

L&T [ Lauritz Knudsen ] MM10 Compact Motor Protection Relay MM10240E005

Ships within 60 days

L&T [ Lauritz Knudsen ] MM10 Compact Motor Protection Relay MM10240E005

By L&T

₹50,739

L&T [ Lauritz Knudsen ] L1H32AC230X Lockout Relay - LocR Coil Voltage 230 V DC

Ships within 60 days

L&T [ Lauritz Knudsen ] Lockout Relay - LocR Coil L1H32DC_ _ _X Series

By L&T

₹6,961 - ₹7,197

The L&T [ Lauritz Knudsen ] Lockout Relay - LocR Coil Voltage L1H32DC_ _ _X Series represents a critical component in industrial safety systems, providing reliable lockout protection for machinery and equipment. Designed with precision and durability, these relays ensure the safety of personnel and prevent unauthorized access to hazardous areas. Distinguished by the L1H32DC_ _ _X Series designation, these lockout relays showcase L&T's commitment to quality and innovation. They feature a coil voltage suitable for specific applications, enabling seamless integration into electrical control systems. These relays are engineered to withstand harsh industrial environments and undergo rigorous testing to meet stringent safety standards. Equipped with advanced features, such as tamper-proof enclosures and secure locking mechanisms, they provide robust protection against accidental operation or tampering. Whether deployed in manufacturing plants, power plants, or other industrial settings, the L&T Lockout Relay - LocR Coil Voltage L1H32DC_ _ _X Series ensures compliance with safety regulations and enhances workplace safety by effectively isolating machinery during maintenance or repair operations.

Type of Product : Lockout Relay - LocR Coil

Country of Origin : India

Voltage Type : DC

L&T [ Lauritz Knudsen ] REO 72-360 A Separate Mounting Motor Protection Relay for MO Contactor, CS90423OORO

Ships within 60 days

L&T [ Lauritz Knudsen ] REO Separate Mounting Motor Protection Relay for MO Contactor, CS904_ _OO_O Series

By L&T

₹31,859 - ₹47,199

The L&T [ Lauritz Knudsen ] REO Separate Mounting Motor Protection Relay for MO Contactor, CS904_ _OO_O Series is an essential component in motor protection systems, ensuring the safe and efficient operation of motors in various industrial applications. Designed for separate mounting alongside MO contactors, these relays offer advanced protection features tailored specifically for motor circuits. Distinguished by the CS904_ _OO_O Series designation, these motor protection relays exemplify L&T's commitment to quality and innovation. They provide comprehensive protection against overloads, phase unbalance, short circuits, and other electrical faults, helping to prevent motor damage and downtime. Engineered with precision and durability, these relays undergo rigorous testing to meet industry standards, ensuring their reliability and effectiveness in demanding environments. They offer a range of adjustable settings and features, including thermal overload protection, phase loss detection, and fault indication, allowing for customized protection solutions tailored to specific motor applications. Whether deployed in industrial plants, manufacturing facilities, or commercial buildings, the L&T REO Separate Mounting Motor Protection Relay CS904_ _OO_O Series provides dependable protection, ensuring the smooth and safe operation of motor-driven equipment while minimizing the risk of costly downtime.

Type of Product : Motor Protection Relay

Series : REO

Mounting Type : Separate Mounting

Type : REO 4/4G

Suitable For : Direct Mounting on MO Contactor

Standard : IS/IEC 60947-4-1 & IEC 60947-4-1

Trip Class : 10A, 10, 20, 30

Indication : Trip indication

L&T (Lauritz Knudsen) Electronic Motor Protection Relay With In-Built Display & Modbus RTU Communication and 16-88 A Thermal Overload Range, EMPR300ICCO

Ships within 60 days

L&T (Lauritz Knudsen) Electronic Motor Protection Relay With In-Built Display & Modbus RTU Communication, EMPR300I Model Series

By L&T

₹21,239 - ₹25,959

The L&T (Lauritz Knudsen) Electronic Motor Protection Relay With In-Built Display & Modbus RTU Communication, EMPR300I Model Series is designed to monitor electric motor operating conditions and provide electronic protection in industrial electrical systems. Its integrated display enables convenient viewing of relevant operating information, helping operators and maintenance personnel supervise motor performance directly from the device. The Modbus RTU communication interface allows the relay to exchange data with compatible automation systems, programmable logic controllers and supervisory control platforms. This connectivity supports centralized monitoring and facilitates the integration of motor protection functions into industrial control networks. It is suitable for applications where reliable motor supervision and communication-based monitoring are important.
Combining local display functionality with digital communication capabilities, the L&T (Lauritz Knudsen) Electronic Motor Protection Relay With In-Built Display & Modbus RTU Communication, EMPR300I Model Series offers a practical solution for modern motor control panels. Through Modbus RTU, relevant relay information can be accessed by compatible connected devices, supporting remote observation and coordinated system management. The built-in display also provides a convenient interface for on-site inspection and operating-status checks. This relay can be incorporated into suitable installations involving pumps, compressors, conveyors, industrial machinery and other motor-driven equipment. Its combination of electronic protection, visual indication and communication support helps streamline maintenance activities and improve operational oversight.

Application : Industrial Automation, EOLR and EOCR

Type of Product : Electronic Motor Protection Relay

Mounting Type : DIN Rail Mounting

Type : With In-Built Display & Modbus RTU Communication

Country of Origin : India

Item Code : 37, 46, 49, 51LR, 51, 64

Mode : Site Selectable - Fail Safe/ Non Fail Safe Mode

Color : Dark Grey

Display Type : 7 Segment LED Display

Protection : Overload, Single Phasing, Current Unbalance, Under Current, Earth Fault, Phase Sequence Reversal, Overcurrent

Name of Manufacturer/Packer/Importer : Explore Technologies

In-built : CT's (1 A to 88 A)

Material : Plastic

Memory : 5 Trip Records

L&T (Lauritz Knudsen) Electronic Motor Protection Relay With In-Built Display, 16-88 A Thermal Overload Range and 85-265 V AC Aux. Supply Voltage, EMPR300DCCO

Ships within 60 days

L&T (Lauritz Knudsen) Electronic Motor Protection Relay With In-Built Display and 85-265 V AC Aux. Supply Voltage, EMPR300D Model Series

By L&T

₹14,159 - ₹20,059

The L&T (Lauritz Knudsen) Electronic Motor Protection Relay With In-Built Display and 85-265 V AC Aux. Supply Voltage, EMPR300D Model Series is designed to monitor motor operating conditions and provide dependable protection in industrial electrical installations. Its integrated display allows users to view relevant operating information directly on the device, simplifying routine supervision and inspection. The wide auxiliary supply voltage range of 85-265 V AC offers flexibility when integrating the relay into compatible motor control panels. Its electronic monitoring capabilities help identify abnormal operating conditions and support appropriate protective responses, contributing to improved motor safety and equipment reliability.
Combining electronic protection with convenient visual monitoring, the L&T (Lauritz Knudsen) Electronic Motor Protection Relay With In-Built Display and 85-265 V AC Aux. Supply Voltage, EMPR300D Model Series is suitable for industrial motor management applications. The built-in display makes operating information accessible to maintenance personnel, assisting with status checks and troubleshooting. It can be integrated into suitable control panels used with machinery, pumps, compressors, conveyors and other motor-driven equipment. Its broad auxiliary voltage compatibility and accessible display interface make it a practical choice for installations requiring effective motor supervision, equipment protection and streamlined maintenance procedures.

Application : Industrial Automation, EOLR and EOCR

Type of Product : Electronic Motor Protection Relay

Mounting Type : DIN Rail Mounting

Type : With In-Built Display

Country of Origin : India

Item Code : 37, 46, 49, 51LR, 51, 64

Mode : Site Selectable - Fail Safe/ Non Fail Safe Mode

Color : Dark Grey

Display Type : 7 Segment LED Display

Protection : Overload, Single Phasing, Current Unbalance, Under Current, Earth Fault, Phase Sequence Reversal, Overcurrent

Trip Class : 10A, 10, 20, 30 As Per IEC 60947-4-1

Name of Manufacturer/Packer/Importer : Explore Technologies

Auxiliary Supply Voltage : 85-265 V AC

In-built : CT's (1 A to 88 A)

Material : Plastic

Memory : 5 Trip Records

L&T (Lauritz Knudsen) Electronic Motor Protection Relay With Built-In Earth Fault Protection and 16-88 A Thermal Overload Range, EMPR300XBCO

Ships within 60 days

L&T (Lauritz Knudsen) Electronic Motor Protection Relay With Built-In Earth Fault Protection, EMPR300 Model Series

By L&T

₹14,159 - ₹18,879

The L&T (Lauritz Knudsen) Electronic Motor Protection Relay With Built-In Earth Fault Protection, EMPR300 Model Series is designed to monitor electric motor operation and provide protective control against abnormal operating conditions. Its electronic monitoring capability helps identify potential issues that may affect motor performance, operational continuity and equipment reliability. The integrated earth fault protection adds another important safety function by detecting earth leakage or fault conditions within the motor circuit, helping reduce the risk of electrical damage. This relay is suitable for industrial electrical panels and motor control applications where dependable protection and continuous monitoring are essential. Its compact design supports convenient integration into compatible control and protection arrangements.
With the L&T (Lauritz Knudsen) Electronic Motor Protection Relay With Built-In Earth Fault Protection, EMPR300 Model Series, users can incorporate motor monitoring and earth fault protection within a single relay unit. It helps safeguard connected motors by supporting timely detection of electrical abnormalities and enabling appropriate protective action through the control circuit. The device is intended for use in industrial environments involving machinery, pumps, compressors, conveyors and other motor-driven equipment, subject to system compatibility. Combining electronic protection functionality with built-in earth fault monitoring, this model offers a practical solution for improving motor safety, supporting equipment longevity and maintaining reliable operation in demanding electrical installations.

Application : Industrial Automation

Type of Product : Electronic Motor Protection Relay

Mounting Type : DIN Rail Mounting

Type : With Built-In Earth Fault Protection

Country of Origin : India

Item Code : 49, 51 lR, 64, 37, 46

Mode : Site Selectable - Fail Safe/ Non Fail Safe Mode

Color : Dark Grey

Protection : Overload, Single Phasing, Phase Unbalance, Under Current, Locked Rotor, Earth Fault, Phase Sequence Reversal

Trip Class : 10A, 10, 20, 30 As Per IEC 60947-4-1

Name of Manufacturer/Packer/Importer : Explore Technologies

Phase Sequence : RYB/RBY

Indicator Type : Trip Indication

Material : Plastic

L&T (Lauritz Knudsen) Electronic Motor Protection Relay 16-88 A Thermal Overload Range and 230 V AC Aux. Supply Voltage, EMPR150XBCO

Ships within 60 days

L&T (Lauritz Knudsen) Electronic Motor Protection Relay 230 V AC Aux. Supply Voltage, EMPR150 Model Series

By L&T

₹6,135 - ₹10,501

L&T (Lauritz Knudsen) Electronic Motor Protection Relay 230 V AC Aux. Supply Voltage, EMPR150 Model Series is designed to monitor electrical motor operating conditions and provide protection against specified abnormal operating situations. Featuring a 230 V AC auxiliary supply, this relay powers its electronic monitoring and protective functions within compatible motor control arrangements. The EMPR150 model series is suitable for integration into industrial electrical panels, motor starter assemblies and automation systems. Its electronic monitoring mechanism helps identify designated fault conditions and facilitates appropriate protective responses through connected switching devices. By supporting continuous supervision of motor performance, this relay contributes to equipment safety, operational consistency and reduced risks associated with electrical irregularities in industrial applications.
Developed for professional motor management systems, L&T (Lauritz Knudsen) Electronic Motor Protection Relay 230 V AC Aux. Supply Voltage, EMPR150 Model Series provides a practical solution for protecting compatible motors used in pumps, compressors, conveyors, manufacturing machinery and production equipment. Its 230 V AC auxiliary supply specification allows installation in appropriately configured control circuits, while the electronic relay architecture supports monitoring according to its designated protection functions. The unit can be incorporated alongside contactors, motor starters and other electrical control components to establish coordinated protection arrangements. Suitable for industrial automation facilities, maintenance departments and electrical panel manufacturers, this relay helps maintain systematic motor supervision and dependable equipment operation.

Application : Industrial Automation

Type of Product : Electronic Motor Protection Relay

Mounting Type : DIN Rail Mounting

Country of Origin : India

Item Code : 49, 51 lR, 37, 46

Mode : Site Selectable - Fail Safe/ Non Fail Safe Mode

Color : Dark Grey

Protection : Overload, Single Phasing, Phase Unbalance, Under Current, Locked Rotor

Trip Class : 10A, 10, 20, 30 As Per IEC 60947-4-1

Name of Manufacturer/Packer/Importer : Explore Technologies

Auxiliary Supply Voltage : 230 V AC

Indicator Type : Trip Indication

Material : Plastic

L&T (Lauritz Knudsen) Electronic Motor Protection Relay 16-88 A Thermal Overload Range and 110 V AC Aux. Supply Voltage, EMPR150XACO

Ships within 60 days

L&T (Lauritz Knudsen) Electronic Motor Protection Relay 110 V AC Aux. Supply Voltage, EMPR150 Model Series

By L&T

₹5,191 - ₹10,501

L&T (Lauritz Knudsen) Electronic Motor Protection Relay 110 V AC Aux. Supply Voltage, EMPR150 Model Series is an electronic protective device designed to monitor motor operating conditions and help safeguard electrical motors against abnormal operating situations. Operating with a 110 V AC auxiliary supply, this relay provides the power required for its electronic monitoring and protection functions. Its EMPR150 model series configuration makes it suitable for integration into compatible motor control panels, industrial automation systems and electrical distribution assemblies. The electronic protection mechanism is intended to detect specified fault conditions and initiate appropriate protective responses through the connected switching arrangement. By supporting continuous motor supervision, this relay helps improve equipment protection, operational reliability and maintenance management in industrial environments.
Engineered for industrial motor control applications, L&T (Lauritz Knudsen) Electronic Motor Protection Relay 110 V AC Aux. Supply Voltage, EMPR150 Model Series offers a practical solution for incorporating electronic protection into machinery and electrical installations. It can be used in compatible motor starter assemblies, pumps, compressors, conveyors, manufacturing equipment and automated production systems. The 110 V AC auxiliary supply specification enables integration with appropriately designed control circuits, while the electronic relay architecture supports accurate monitoring of motor operating parameters according to its configured protection functions. Its compact panel-oriented construction facilitates installation alongside contactors and other control components. Suitable for industrial maintenance professionals, electrical engineers and panel builders, this relay contributes to systematic motor protection and dependable equipment operation.

Application : Industrial Automation

Type of Product : Electronic Motor Protection Relay

Mounting Type : DIN Rail Mounting

Country of Origin : India

Item Code : 49, 51 lR, 37, 46

Mode : Site Selectable - Fail Safe/ Non Fail Safe Mode

Color : Dark Grey

Protection : Overload, Single Phasing, Phase Unbalance, Under Current, Locked Rotor

Trip Class : 10A, 10, 20, 30 As Per IEC 60947-4-1

Name of Manufacturer/Packer/Importer : Explore Technologies

Auxiliary Supply Voltage : 110 V AC

Indicator Type : Trip Indication

Material : Plastic

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Top Selling L&T Protection Relay Products Price List for November 2026

Product Name	Expected Price	Dispatch Time	Discount
Selec Digital Voltage Protection Relay 2 x 1 C/O, 900VPR-BL-U-CE	₹3,657	25 days	--
Selec Analog Voltage Protection Relay 2 C/O DPDT, VPRA2M	₹1,651	3 days	6.35% OFF
ABB 220-240 V AC Thermistor Motor Protection Relay 1SVR550801R9300	₹10,265	15 days	--
Minilec 2 CO Output Protection Relay S2 CMR 1	₹6,371	25 days	--
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GENERIC Digital Voltage Protection with Auto Re-Connect LED Display White, AVP-63	₹1,002	2 days	66.59% OFF
L&T [ Lauritz Knudsen ] REO 1.1G Electronic Motor Protection Relay CS90423OOLO	₹21,239	60 days	--
L&T [ Lauritz Knudsen ] L1H32AC230X Lockout Relay - LocR Coil Voltage 230 V DC	₹7,079	60 days	--
L&T [ Lauritz Knudsen ] REO 1.1G Electronic Motor Protection Relay CS90423OOQO	₹22,419	60 days	--