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  1. Measuring Instruments & Equipment 14 Products available
  2. Relays 6 Products available
  3. Changeover Switches 3 Products available
  4. Circuit Breaker 3 Products available
  5. Power Contactors 2 Products available
  6. Current Limiting Device 1 Products available
  7. Fuse Holder 1 Products available
  8. Capacitor 1 Products available
  9. Switchgear Panels 1 Products available
  10. Rotary Switches 1 Products available
  11. Instrument Calibration & Testing 1 Products available
  12. High Voltage Circuit Breaker 1 Products available
  13. Thyristor 1 Products available
  14. Control Switches 1 Products available
  15. Lanterns 1 Products available
  16. Nuts Bolts And Fasteners 1 Products available
  17. Batteries 1 Products available
  18. Electrical Conduits & Fittings 1 Products available
  19. Wire Accessories 1 Products available
  20. Modular Switches 1 Products available
  21. Submersible Cables 1 Products available
  22. Distribution Point Box 1 Products available
  23. Others Products 10 Products available

Relays

We offer the best product range of Thermal Overload Relays, Motor Protection Relay, Comprehensive Motor Protection, Protection Relays and APFC Relays.

Thermal Overload Relays

Thermal overload relays are protection devices required in various motor starter combinations. L&Ts range of contactor is complimented with L&Ts range of thermal overload relays. Our relays are available for various DOL/ Star delta combinations. They have built in sensitive mechanism which protects the motor from overload and single phasing.

Features :-

Type RTX & MN-suitable for MNX contactors

  • Ratings: RTX Relay 0.23A-41A
  • MN Relay 0.2A-570A
  • Inbuilt single phasing protection
  • Suitable for direct/separate mounting
  • Built-in START and OFF / RESET push buttons
  • Auto and manual reset modes
  • Ambient temperature compensation: -5 C to +55 C
  • Electrically separate NO contact
  • Conformance to IEC 60947-4-1 and IS/IEC 60947-4-1

Type RTO- suitable for MO contactors

  • Ratings: 0.23A - 110A
  • Phase failure sensitive
  • Visual status indication
  • Sealable transparent cover
  • Auto/manual reset function
  • Ambient temperature compensated
  • Conforms to IEC 60947-4-1 & IS/IEC 60947-4-1
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Motor Protection Relay

MPR300 is a Microprocessor based LT Motor protection relay. The relay has got inbuilt CTs for motor sizes up to 50KW (i.e 88 A current)

Features :-
  • LEDs for trip indication.
  • Inbuilt CTs available
  • 4 selectable trip time curves for thermal overload
  • Test facility through front push button.
  • Manual reset facility through front push button.
  • With / Without fail safe mode
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Comprehensive Motor Protection

MM30 is a Microprocessor based Comprehensive Motor Protection Relay designed for Medium and Large Motors

Features :-
  • Auto setting of parameters
  • Draw out enclosure
  • 8 digit alpha numeric display
  • Real Time Measurements
  • Measurement and display of actual & trip data recordings.
  • 8 LEDs for fault indication.
  • Control on number of starts of motor
  • Starting sequence control. During start-up of the motor, the unit can control an output contact to automatically manage the starting transition.
  • RS485 port for communication with Modbus Protocol.
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Protection Relays

T4500: Auto synchronizer :-
  • Automatic synchronization with relay outputs for speed control
  • Adjustable delta frequency and delta voltage
  • Adjustable breaker make time
  • Visual indication of bus voltage, generator voltage, closing signal, delta voltage, increase and decrease signals
  • Automatic voltage matching
  • Operating temperature range: -20C to +70C
  • Vibration test up to 4g (5 - 100Hz)
  • Certified by major classification societies
  • Flame retardant enclosure
  • DIN rail or screw mounting
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APFC Relays

L&T offers you a wide range of Power factor Correction Relays suitable for all standard applications. Their intelligent adjustment interface ensures balanced usage of capacitors based on the number of switching operations and the connection time of each step, thus ensuring long life for switchgear and capacitors.

etaCON L Series :-
  • Available steps: 3, 5, 7, 8, 12
  • Compact size (96 96 mm) in 3, 5, 7 steps version
  • Automatic recognition of current flow direction
  • Auto / Manual Control
  • Online display of PF, Voltage, Current, kVAr, capacitor overload and Panel temperature
  • Average weekly power factor measurement
  • Capacitor over-current and panel over-heating protection
  • No-voltage release protection function
  • Last two can be programmed for Capacitor switching / Alarm / Fan Control
  • Keypad locking function
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Earth Fault Relay

SC14S is a self-powered, single-phase, non-directional, Earth fault relay with one measuring element.

Features :-
  • Micro-controller based design
  • Draw out facility
  • Built in Third Harmonic Filter. It helps to avoid spurious tripping in harmonic rich power systems
  • Instantaneous time delay or delay of 100 ms, 200 ms can be set
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