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The OptiFuse CBW57-BS-12A-C is a thermal circuit breaker designed for reliable overcurrent protection. It offers a current rating of 12A and can handle voltages up to 250 VAC and 32 VDC. The breaker features a push-to-reset actuator for manual operation and a panel mount design for easy integration into systems.
Key specifications include a frequency range of 50-60 Hz, dielectric strength greater than 1500 VAC, and an insulation resistance exceeding 100M Ω. The time-current characteristics indicate no trip at 100% rated current, trip within 1 hour at 150%, trip within 5-30 seconds at 200%, and trip within 1.5-5 seconds at 300% rated current. The operating ambient temperature range is from -10℃ to +60℃.
This circuit breaker is built to meet various agency standards, including CCC, CSA, cURus, TUV, UR, and VDE. It also meets SAE J1171 and UL1500 standards for marine ignition protection. The body is black with tin-plated terminals.
Applications for this thermal circuit breaker include general overcurrent protection in various electrical systems where a reliable and resettable protection device is required. Its panel mount capability makes it suitable for control panels and equipment enclosures.
The current rating is 12A.
It is rated for 250 VAC and 32 VDC.
It features a push-to-reset actuator.
The operating ambient temperature is -10℃ to +60℃.
It meets CCC, CSA, cURus, TUV, UR, and VDE standards.
Yes, it is ignition protected to SAE J1171 and UL1500 standards.