ST-2A+WPC-21-2 Thermal Circuit Breaker
ST-2A+WPC-21-2 Thermal Circuit Breaker Dimension
ST-2A+WPC-21-2 Thermal Circuit Breaker with Cover
ST-2A+WPC-21-2 Thermal Circuit Breaker Well-constructed
ST-2A+WPC-21-2 Thermal Circuit Breaker Waterproof
ST-2A+WPC-21-2 Thermal Circuit Breaker Application

10A-50A Manual Reset Push Button Overload Thermal Circuit Breaker with Cover

Regular price$5.59
Shipping calculated at checkout.


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About this item

Push button thermal circuit breaker - The button will pop up when the circuit is overloaded, and you need to push it back to reset it. Available for 10A~50A.

Operating Voltage - 125/250V AC 12V/32V/50V DC. Power Rating: 10-50Amp. The mounting hole size of the overload protector switch is 10.5mm(0.42").

Sturdy and Durable - Marine circuit breaker has long service life for it is well constructed with a waterproof cap, burr-free bakelite housing, and metal shaft.

Waterproof - 12-volt circuit breakers are designed with transparent waterproof caps to prevent moisture or dust invasion. Good for both indoor and outdoor use.

Application - The thermal circuit breaker is suitable for generators, compressors, power strips, household appliances, or automotive vehicles such as RVs, and boats.

What is included

1 x Thermal Circuit Breakers

1 x Transparent Waterproof Cover


Part NO ST-2A+WPC-21-2
Mounting Size 10.5mm(0.42")
Operating Amp 10-50A
Operating Voltage 125/250V AC 12V/32V/50V DC
Housing Color  Black 
Material Bakelite+Metal
Terminal  2 Pins
Package Includes 1x thermal circuit breakers
1x transparent waterproof cover


Shipping & Returns

Free Shipping

We will use Economy International express service operated by China Postal Express. And it’s for light-weight products that less than 2kg with delivery in 10-25 days.

Expedited Shipping

You can choose this way, and normally we will use FEDEX or DHL. the shipping Rate is depend on the total weight of products, and delivery date will be 3-7 days.


Refund arrival time: 1-2 working days
Refund path: return to the original path
Refund contact information:


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