CBW57-ES-25A
OptiFuse
The OptiFuse CBW57-ES-25A is a thermal circuit breaker designed for overcurrent protection. It features a push-to-reset actuator and a panel mount design.
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The OptiFuse CBW57-PS-25A is a thermal circuit breaker designed for 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 offers a reset time within 60 seconds and has a contact endurance of 500 cycles at 125 VAC with 150% of rated current.
This circuit breaker features a black body with tin-plated terminals and a push-to-reset actuator. It is designed for panel mounting and operates within an ambient temperature range of -10℃ to +60℃. Torque ratings are specified for different nut and thread combinations.
Agency standards and listings include cURus and UR. The device is intended for occasional overcurrent protection and should not be exposed to chemical solvents, which can damage performance.
The CBW57-PS-25A is rated for 125/250 VAC and 32/50 VDC.
The operating ambient temperature range is -10°C to +60°C.
The interrupt rating is 1000A at 125/250 VAC for 3-30A models, and 300A at 50 VDC for 3-30A models.
The reset time is within 60 seconds.
Yes, it is ignition protected to SAE J1171 and UL1500.
At 100% rated current, no trip; at 150%, trip within 1 hour; at 200%, trip in 5-30 seconds; at 300%, trip in 1.5-5 seconds.