Thermal Overload Relays
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Thermal overload relays are protection devices required in various motor starter combinations. L&T’s range of contactors complements its range of thermal overload relays. These are available for various DOL/ Star delta combinations. They have a 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
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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