CBW57-ES-20A
OptiFuse
The OptiFuse CBW57-ES-20A is a thermal circuit breaker with a 20A current rating and 250VAC/32VDC voltage rating. It features a push-to-reset actuator and panel mount.
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The OptiFuse CBW57-PL-20A-5X is a thermal circuit breaker designed for reliable overcurrent protection. It operates within an amperage range of 3A to 30A and is rated for 125/250 VAC and 32/50 VDC.
Key electrical specifications include a dielectric strength greater than 1500 VAC, an insulation resistance over 100M Ω, and various interrupt ratings depending on the current and voltage. The breaker offers a reset time within 60 seconds and has a contact endurance of 500 cycles at 150% of rated current.
This circuit breaker features a black body with tin-plated terminals and is designed for panel mounting. It operates in an ambient temperature range of -10℃ to +60℃. The CBW57 series is approved by UR, CCC, TUV, and VDE, ensuring compliance with various industry standards.
Applications include general overcurrent protection where a manual reset is required. The device is intended for occasional overcurrent protection and not for repeated overcurrent conditions.
The CBW57-PL-20A-5X is rated for 20A continuous current.
It is rated for 250VAC and 32VDC.
It uses a push-to-reset actuator.
Yes, it is ignition protected to SAE J1171 and UL 1500 standards.
The operating ambient temperature range is -10°C to +60°C.
At 25°C: no trip at 100% rated current, trip within 1 hour at 150%, 5-30 seconds at 200%, and 1.5-5 seconds at 300%.
For 3-30A at 125/250VAC: 1000A. For 3-20A at 125/250VAC: 400A. For 3-30A at 50VDC: 300A.