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The OptiFuse CBW57-EL4-6A is a thermal circuit breaker designed for reliable overcurrent protection. It offers a current rating range from 3A to 30A and operates at 125/250 VAC and 32/50 VDC.
Key electrical specifications include a dielectric strength greater than 1500 VAC, an insulation resistance over 100MΩ (500 VDC), and a contact endurance of 500 cycles at 125 VAC with 150% of rated current. The reset time is within 60 seconds.
This circuit breaker features a push-to-reset actuator and a panel mount design. The operating ambient temperature range is -10°C to +60°C. It is ignition protected to SAE J1171 and UL1500 standards.
Agency approvals include UR, CCC, TUV, and VDE, indicating its suitability for various applications. The body is black with tin-plated terminals.
125/250 VAC and 32/50 VDC.
-10°C to +60°C.
1000A at 125/250 VAC (3-30A), 400A at 125/250 VAC (3-20A), 400A at 125 VAC (CSA), and 300A at 50 VDC.
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.
Yes, to SAE J1171 and UL1500.
Within 60 seconds.