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THERMAL RELAY
THERMAL RELAY
THERMAL RELAY
THERMAL RELAY
THERMAL RELAY
THERMAL RELAY

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THERMAL RELAY

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THERMAL RELAY

HRD series thermal relay is suitable for using in the circuit rated voltage up to 660V, rated current 93A AC 50/ 60Hz, for over-current protection of AC motor. 

The relay has the differential mechanism and temperature compensation and can plug in HLD series AC contactor. \

The product conforms to IEC60947-4-1 stardand.

Motion Characteristic: Three-phase Balance Motion Time

No.Times of the setting currentMotion timeStart conditionAmbient temperature
11.05>2hCold state20±5oC
21.2<2hHeat state(Following the No.1 test)
31.5<4min
47.210A2s< Tp≤10s≤63ACold state
104s< Tp≤10s>63A

 

Phase-losing Motion Characteristic

No.Times of the setting currentMotion timeStart conditionAmbient temperature
Any two phasesAnother phase
110.9>2hCold state20±5oC
21.150<2hHeat state(Following the No.1 test)


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