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The OptiFuse CBW57-PF-20A-5X is a thermal circuit breaker with a 20A current rating and a voltage rating of 250 VAC or 32 VDC. It is designed for push-to-reset operation and panel mounting.
This circuit breaker offers a thermal trip mechanism, providing reliable overcurrent protection for various applications. Key electrical specifications include an interrupt rating of up to 1000A at 125/250 VAC and 400A at 50 VDC. The operating ambient temperature range is -10°C to +60°C.
Agency standards and listings include UR, CCC, TUV, and VDE, indicating compliance with various safety regulations. The device is intended for occasional overcurrent protection and should not be subjected to repeated overcurrent conditions or prolonged trips.
Mechanical specifications include a panel mount design for easy integration into equipment. The torque rating for metal nuts on metal threads is 10 KGfcm, and for plastic nuts on plastic or metal threads, it is 6 KGfcm.
The current rating is 20A.
It is rated for 250 VAC and 32 VDC.
It features a push-to-reset actuator.
The operating ambient temperature range is -10°C to +60°C.
The interrupt rating is 1000A at 125/250 VAC for 3-30A rated current, and 400A at 125/250 VAC for 3-20A rated current.
The insulation resistance is greater than 100MΩ at 500 VDC.
The contact endurance is 500 cycles at 125 VAC with 150% of rated current.