Quick Summary
This 120A automatic DC circuit breaker switch combines a resettable over-current breaker and an On/Off switch in one unit. It is intended for DC systems from 12V to 48V and includes a manual-break option for use as an isolator switch.
The unit is described as IP67 water resistant, ignition protected and made from thermal plastic rated UL94V-0. Those features are important if water exposure, heat resistance or isolation control matter in your setup.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Current rating | 120A. Check that this matches the load and protection needs of the DC system. |
| Voltage range | 12V to 48V DC. Confirm the system voltage before choosing a suitable offer. |
| Function | Resettable over-current protection with an On/Off switch function. |
| Manual-break option | Can be used as an isolator switch. |
| Protection rating | IP67 water resistant. |
| Material rating | Thermal plastic, UL94V-0 rated. |
| Protection feature | Ignition protected. |
What to Compare Before Buying
- System voltage: This model is for 12V, 24V and 48V DC systems. Match the breaker to the voltage used in your installation.
- Current rating: The breaker is rated at 120A. Compare that figure with the protection level your circuit needs.
- Switching requirement: It includes a manual-break option, so it suits buyers who want both protection and a simple isolating switch in one unit.
- Environment: IP67 water resistance and ignition protection are relevant where exposure or installation conditions matter.
- Construction rating: The UL94V-0 thermal plastic housing is a useful check if heat resistance is part of the buying decision.
Common Buyer Questions
Is it only a breaker?
No. It combines a resettable 120A circuit breaker with an On/Off switch function.
Can it be used across different DC systems?
Yes. It is described for 12V to 48V DC systems.
Does it have a manual isolating function?
Yes. The manual-break option allows it to be used as an isolator switch.
Before You Decide
Check that your system is within the stated 12V to 48V DC range and that the 120A rating suits your circuit. If water resistance, ignition protection and a combined breaker-switch format matter, this model is built around those requirements.
