Thermal Overload Relays

Thermal overload relays are protection devices required in various motor starter combinations. L&T’s range of contactor is complimented with L&T’s 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 of our thermal overload relays:
Type RTX & MN-suitable for MNX contactors :

Ratings: RTX Relay 0.23A-41A relay

MN Relay 0.2A-570A relay

Inbuilt single phasing protection relay

Suitable for direct/separate mounting

Separate arcing and current carrying zones

Phase barriers

Suitable for aluminium terminations

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