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The OptiFuse CBW57-ES-3A is a low-profile, push-to-reset 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.
Key electrical specifications include a dielectric strength greater than 1500 VAC, an insulation resistance exceeding 100MΩ, and an interrupt rating of up to 1000A at 125/250 VAC. The breaker is ignition protected to SAE J1171 and UL1500 standards, making it suitable for marine applications.
This circuit breaker features a panel mount design and a black body with tin-plated terminals. It operates within an ambient temperature range of -10°C to +60°C. The CBW57-ES-3A is listed by UR, CCC, TUV, and VDE, ensuring compliance with various industry standards.
Designed for occasional overcurrent protection, this device is intended to trip and reset within 60 seconds. It is important to avoid contact with chemical solvents, which can damage the device's performance.
125/250 VAC and 32/50 VDC.
-10°C to +60°C.
Panel mount.
1000A at 125/250 VAC, 400A at 125/250 VAC, 300A at 50 VDC, 400A at 125 VAC.
Yes, to SAE J1171 and UL1500.
>1500 VAC.
Within 60 seconds.