BATTERY DOCTOR Automotive Circuit Breaker: 31200, 42V DC, 200 A at 12V DC
The BATTERY DOCTOR 31200 Series Heavy Duty Circuit Breaker (MPN 31209) is a surface-mount automotive circuit breaker with a stud terminal connection. It is rated for 42V DC and has an interrupt rating of 200 A at 12V DC.
SKU 3G-OTH-21383
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Product Description
The BATTERY DOCTOR 31200 Series Heavy Duty Circuit Breaker (MPN 31209) is a surface-mount automotive circuit breaker with a stud terminal connection. It is rated for 42V DC and has an interrupt rating of 200 A at 12V DC.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the BATTERY DOCTOR 31200 Series circuit breaker used for?
The BATTERY DOCTOR 31200 Series heavy duty circuit breaker (MPN 31209) protects automotive electrical systems from overloads and short circuits. It is commonly used in trucks, buses, RVs, and marine applications where a 42V DC system requires a reliable, resettable overcurrent protection device with a stud terminal connection.
What are the specifications of the BATTERY DOCTOR 31209 circuit breaker?
The BATTERY DOCTOR 31209 is a surface-mount heavy duty circuit breaker from the 31200 Series. It is rated for 42V DC with an interrupt rating of 200 A at 12V DC. The terminal connection is a stud type, and the manufacturer part number is 31209. It is designed for high-current automotive and marine applications.
Where to buy the BATTERY DOCTOR 31209 circuit breaker worldwide?
3G Electric supplies the BATTERY DOCTOR 31209 circuit breaker to customers worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this heavy duty circuit breaker to any country.
How to install the BATTERY DOCTOR 31200 Series circuit breaker?
Install the BATTERY DOCTOR 31209 circuit breaker by mounting it on a flat surface using the stud terminal. Connect the battery positive cable to one stud and the load cable to the other, ensuring proper torque per manufacturer guidelines. Always disconnect the battery before installation and verify the system voltage (42V DC) and current rating (200 A at 12V DC) match your application.
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3G Electric supplies BATTERY DOCTOR surface mount automotive circuit breakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.










