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The DHC motor protection relay is a temperature monitoring relay for electric motors. It evaluates the resistance values of the PTC thermistors built into the motor winding. A non-volatile restart lockout ensures that the relay remains locked even in the event of a power failure, i.e. no uncontrolled restart takes place. Several sensor resistances can also be connected to one relay. The motor is restarted via an integrated acknowledgment button after the normal temperature has been reached.
| Application possibilities | Motor protection on machine tools, compressors, conveyor belts |
| Supply voltage | AC 24V |
| Output | 1 make contact |
| Max. Switching capacity relay output | AC 250V; 5A; 1250VA |
| Response range | 1.65 - 4.0k ohms |
| (thermistor) | |
| Receipt | button on the front |
| LED indicator | Ready for operation (green); |
| Over temperature/relay contact open (red) | |
| width x height x depth | 22.5x99x114mm |
Additional information on the product DHC - motor protection relay
Supplier: Hermann ZANDER GmbH & Co. KG
Scope of delivery: see standard equipment. Please inquire about optional or other equipment.