| 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-ES-7A is a thermal circuit breaker with a push-to-reset actuator, suitable for overcurrent protection applications. It offers a current rating range of 3A to 30A and is specified for input voltages of 125/250 VAC and 32/50 VDC, with a specific rating of 7A at 250V.
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 (500 VDC) and contact endurance rated for 500 cycles at 150% of rated current.
Designed for panel mounting, this single-pole breaker operates within an ambient temperature range of -10℃ to +60℃. 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 approvals include CCC, CSA, cURus, TUV, UR, and VDE, indicating broad compliance for various markets. The reset time is within 60 seconds.
The current rating is 7A, within the 3A-30A amperage range.
It supports 125/250 VAC and 32/50 VDC input voltages.
The operating ambient temperature range is -10°C to +60°C.
The CBW57-ES-7A is panel mounted.
It uses a push-to-reset actuator.
Yes, it meets SAE J1171 and UL1500 marine ignition protection standards.
It carries CCC, CSA, cURus, TUV, UR, and VDE approvals.