CBW57-ES-20A
OptiFuse
The OptiFuse CBW57-ES-20A is a thermal circuit breaker with a 20A current rating and 250VAC/32VDC voltage rating. It features a push-to-reset actuator and panel mount.
| Category | |
| Manufacturer Name | |
| Actuator Type | |
| Approval Agency | |
| Breaker Type | |
| Current Rating | |
| Current Rating (Amps) | |
| Frequency | |
| Illumination | |
| Input Voltage | |
| Insulation Resistance | |
| Mounting Type | |
| Number of Poles | |
| Reset Time | |
| Voltage Rating |
The OptiFuse CBW57-PS-20A-5X is a thermal circuit breaker designed for reliable overcurrent protection. It operates within an amperage range of 3A to 30A and supports input voltages of 125/250 VAC and 32/50 VDC, with a frequency range of 50-60 Hz.
Key electrical specifications include a dielectric strength greater than 1500 VAC, insulation resistance over 100MΩ, and various interrupt ratings depending on the current and voltage. The breaker offers a contact endurance of 500 cycles at 125 VAC with 150% of rated current. It features a reset time within 60 seconds.
Mechanically, this circuit breaker has a black body with tin-plated terminals and is designed for panel mounting. The operating ambient temperature range is -10℃ to +60℃. It is ignition protected to SAE J1171 and UL1500 standards, making it suitable for marine applications.
Agency standards and listings include UR, CCC, TUV, and VDE, indicating broad compliance for various applications. This device is intended for occasional overcurrent protection.
20A.
250 VAC and 32 VDC.
Thermal circuit breaker.
Panel mount.
Push to reset.
-10°C to +60°C.
Yes, per SAE J1171 and UL 1500.