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The OptiFuse CBW57-ES-20A-5H 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 input voltages.
Key electrical specifications include a dielectric strength greater than 1500 VAC, an insulation resistance over 100MΩ, and various interrupt ratings depending on voltage and current. The breaker features a push-to-reset actuator and a black body with tin-plated terminals.
This circuit breaker is suitable for panel mounting and has received approvals from agencies including CCC, CSA, cURus, TUV, and UR. It is designed for occasional overcurrent protection and operates within an ambient temperature range of -10℃ to +60℃.
Applications for this component include general electrical protection where thermal trip characteristics are required. Its robust design and multiple agency listings make it suitable for various industrial and commercial applications.
The current rating is 20A.
The maximum AC voltage rating is 250V.
The maximum DC voltage rating is 50V.
It has a push-to-reset actuator.
The operating ambient temperature range is -10℃ to +60℃.
Yes, it is ignition protected to SAE J1171 and UL1500.