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 (Amps) | |
| Frequency | |
| Illumination | |
| Input Voltage | |
| Insulation Resistance | |
| Mounting Type | |
| Number of Poles | |
| Reset Time | |
| Voltage Rating |
The OptiFuse CBW57-PB-20A-WX is a thermal circuit breaker with a 20A current rating and a 250 VAC / 32 VDC voltage rating. It is designed for push-to-reset operation and features a panel mount type.
This circuit breaker operates within a frequency range of 50-60 Hz and has an insulation resistance greater than 100MΩ at 500 VDC. The dielectric strength is rated at over 1500 VAC per minute. It offers various interrupt ratings depending on the voltage and current, including 1000A at 125/250 VAC and 300A at 50 VDC.
The operating ambient temperature range for this device is -10°C to +60°C. It is ignition protected to SAE J1171 and UL1500 standards, making it suitable for marine applications. The body is black with tin-plated terminals.
Agency standards and listings include UR, CCC, TUV, and VDE, covering a range of current and voltage specifications. The device is intended for occasional overcurrent protection and should avoid contact with chemical solvents.
125/250 VAC and 32/50 VDC.
Panel mount.
-10°C to +60°C.
Multiple ratings: 1000A at 125/250VAC for 3-30A, 400A at 125/250VAC for 3-20A, 300A at 50VDC for 3-30A, 400A at 125VAC for 3-20A (CSA).
Within 60 seconds after tripping.
Yes, it meets SAE J1171 and UL1500 standards for marine ignition protection.
No trip at 100% current, trip within 1 hour at 150%, trip within 5-30 seconds at 200%, trip within 1.5-5 seconds at 300%.
