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The OptiFuse CBW57-PS-10A-1X is a thermal circuit breaker designed for reliable overcurrent protection. It offers a current rating range of 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 100M Ω, and contact endurance rated for 500 cycles at 150% of rated 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 operates within an ambient temperature range of -10℃ to +60℃. It meets various agency standards including UR, CCC, TUV, and VDE, and is CSA certified for marine ignition protection.
Applications include general overcurrent protection where occasional overcurrent events are anticipated. The device is intended for occasional overcurrent protection and not for repeated overcurrent conditions.
125/250 VAC and 32/50 VDC.
-10°C to +60°C.
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.
1000A at 125/250 VAC, 400A at 125/250 VAC (for 3-20A), and 300A at 50 VDC.
Yes, to SAE J1171 and UL1500.
Panel mount.
Push to reset.