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The OptiFuse CBW57-EJ-8A is a thermal circuit breaker designed for reliable overcurrent protection. It offers an 8A current rating and can handle up to 250VAC or 32/50VDC.
Key electrical specifications include a frequency range of 50-60 Hz, a dielectric strength exceeding 1500 VAC, and various interrupt ratings depending on voltage and current. The breaker has an insulation resistance greater than 100M Ω at 500 VDC and is rated for 500 cycles at 150% of its rated current.
This circuit breaker features a push-to-reset actuator and a black body with tin-plated terminals. It operates within an ambient temperature range of -10℃ to +60℃. The mounting type is panel mount, making it suitable for various enclosure applications.
Agency approvals include UR, CCC, TUV, and VDE, indicating compliance with various safety standards. The device is intended for occasional overcurrent protection and should be protected from chemical solvents.
125/250 VAC and 32/50 VDC.
-10°C to +60°C.
1000A at 125/250VAC, 400A at 125VAC, 300A at 50VDC.
At 25°C: no trip at 100% load, trip within 1 hour at 150%, 5-30 seconds at 200%, 1.5-5 seconds at 300%.
Panel mount.
Yes, to SAE J1171 and UL1500.
Push-to-reset.