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50 Amp Circuit Breaker with Manual Reset, 12V- 48V DC, Waterproof (50A)

50 Amp Circuit Breaker with Manual Reset, 12V- 48V DC, Waterproof (50A)

Q: It seems to be a polarized breaker, will it work properly to charge and discharge the batteries through it? I.e. current reverses during the charge.

Wrong! there is a stamp in molding by poles which indicates which side is battery (batt) and Auxiliary aux. Battery side is on top in most cases.

Q: 150A or 200A manual reset circuit breaker will be ok between battery bank and 3k inverter, using 2/0 wire? Or should I fuse instead.?

Remember 2/0 Copper Wire is rated up to 170 Amps. Installing a 200A breaker risks the chance of the wire overheating and causing a fire.

Q: Would this 40amp be suitable for connecting my new 4000w generator to the main switchboard?

No! This is a DC rated breaker if your generator makes AC power which I suspect it does you need a traditional AC breaker.

Q: why there is more than 10% voltage drop in the Circuit Breaker ?

If you're measuring 10% voltage drop across this breaker you have something wrong going on. High resistance within the Breaker.

Product ID: 298577180

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Details

Brand
T Tocas
Current rating
50 Amps
Product dimensions
43D x 48W x
Circuit breaker type
Standard
Mounting type
Surface Mount

⚡50 Amp high current capacity

💧Waterproof IP67 rated

🔧Manual reset for easy control

Frequently Bought Together

Description

⚡ Stay powered, stay protected — the ultimate circuit breaker for pros on the move!

COMPACT DURABLE - Lightweight thermalplastic UL94V0 housing fits tight spaces and meets top safety standards.
EFFORTLESS CONTROL - Manual reset switch lets you quickly restore power without hassle or tools.
WEATHERPROOF WARRIOR - IP67 waterproof housing ensures flawless performance in marine, RV, and outdoor environments.
POWERHOUSE PROTECTION - Handles up to 50A with ultra-reliable circuit breaking to safeguard your gear.
VERSATILE COMPATIBILITY - Works seamlessly with 12V-48V DC systems across boats, trucks, solar setups, and more.

This 50 Amp manual reset circuit breaker supports 12V to 48V DC systems with a rugged, waterproof IP67-rated thermalplastic housing. Designed for surface mount installation, it meets SAE, UL, and CE standards, making it ideal for marine, RV, truck, and solar applications. Compact and lightweight, it offers high interrupt capacity and reliable manual reset functionality for quick power restoration.

Specifications

Manufacturer	T Tocas
Part number	BBCB594-50A
Item Weight	104 g
Product Dimensions	3.61 x 4.8 x 7.39 cm; 104 g
Item model number	50 AMP
Size	50A
Color	Surface-Mount
Style	50A
Material	Housing is thermalplastic UL rated 94V0
Shape	Square
Power source type	DC
Voltage	48 Volts
Item Package Quantity	1
Plug Profile	Surface Mount
Switch Style	Manual Switch
Specification met	Ul
Batteries Included?	No
Batteries Required?	No

Have a Question? See What Others Asked

It seems to be a polarized breaker, will it work properly to charge and discharge the batteries through it? I.e. current reverses during the charge.

150A or 200A manual reset circuit breaker will be ok between battery bank and 3k inverter, using 2/0 wire? Or should I fuse instead.?

Would this 40amp be suitable for connecting my new 4000w generator to the main switchboard?

why there is more than 10% voltage drop in the Circuit Breaker ?

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