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BUSSMANN Automotive Circuit Breaker: CBT-M, 12V DC - Plug-In Mount Automotive Circuit Breakers
BUSSMANNPlug-In Mount Automotive Circuit Breakers

BUSSMANN Automotive Circuit Breaker: CBT-M, 12V DC

The BUSSMANN CBT-M Automotive Circuit Breaker is a Type II automotive circuit breaker with a blade terminal connection, designed for plug-in mount applications. It operates at 12V DC and is part of the CBT-M series…

SKU 3G-OTH-19651

Also listed as: CBT20M · CBT 20M

Brand
BUSSMANN
Item
Automotive Circuit Breaker: CBT-M, 12V DC
Category
Plug-In Mount Automotive Circuit Breakers
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

BUSSMANN
Manufacturer Part Number
CBT-20M
Series
CBT-M
Voltage
12V DC
Interrupt Rating
Not Rated
Terminal Connection
Blade
Circuit Breaker Type
Type II Automotive Circuit Breaker

Technical Documents

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BUSSMANN Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The BUSSMANN CBT-M Automotive Circuit Breaker is a Type II automotive circuit breaker with a blade terminal connection, designed for plug-in mount applications. It operates at 12V DC and is part of the CBT-M series, with an interrupt rating of Not Rated. This product, identified by MPN CBT-20M, provides overcurrent protection in automotive electrical systems.

Frequently Asked Questions

What is the BUSSMANN CBT-M automotive circuit breaker used for?

The BUSSMANN CBT-M automotive circuit breaker provides overcurrent protection in 12V DC automotive electrical systems. It is commonly used in vehicles, trucks, and marine applications to protect wiring and components from short circuits and overloads, automatically resetting after the fault clears.

What are the specifications of the BUSSMANN CBT-20M circuit breaker?

The BUSSMANN CBT-20M is a Type II automotive circuit breaker from the CBT-M series. It operates at 12V DC, features a blade terminal connection for plug-in mounting, and has an interrupt rating of Not Rated. The manufacturer part number is CBT-20M, and it is designed for overcurrent protection in automotive systems.

Where to buy BUSSMANN CBT-M circuit breakers worldwide?

You can source BUSSMANN CBT-M circuit breakers worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply genuine BUSSMANN components for automotive overcurrent protection.

How to install a BUSSMANN CBT-M blade circuit breaker?

To install a BUSSMANN CBT-M blade circuit breaker, ensure the power is off. Insert the blade terminals into a compatible fuse block or panel slot designed for Type II breakers. Press firmly until seated. The breaker automatically resets after a fault; no manual reset is needed. Always follow the vehicle manufacturer's wiring guidelines.

Used in

Common applications for BUSSMANN
Industrial motor control centers — BUSSMANN LPT series Class T time-delay fuses for branch circuit protection
Semiconductor protection in variable frequency drives — BUSSMANN FWA series fast-acting bolt-on fuses rated 150 V AC/DC
Automotive auxiliary circuit protection — BUSSMANN CB222 series Type II circuit breakers in 12 V DC systems
Control panel overcurrent protection — BUSSMANN FNA series midget time-delay indicating fuses for instrumentation
Main feeder protection in power distribution — BUSSMANN KLU series Class L time-delay bolt-on fuses up to 650 A
Fuse replacement in existing panels — BUSSMANN S-8301-1-R fuse block accepting 3AG and other glass/ceramic fuses

BUSSMANN Products

3G Electric supplies BUSSMANN plug-in mount automotive circuit breakers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
Type II automotive circuit breaker with blade terminal connection for plug-in mounting. Rated for 12V DC systems, it provides overcurrent protection and automatically resets after a fault clears. Suitable for use in vehicles, trucks, and marine applications to protect wiring and components
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Type II automotive circuit breaker with blade terminal connection for plug-in mounting. Rated for 12V DC systems, it provides overcurrent protection and automatically resets after a fault clears. Suitable for use in vehicles, trucks, and marine applications to protect wiring and components
Automotive Circuit Breaker: CBT-N, 12V DC, Blade (MPN CBT-20N)
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Automotive Circuit Breaker: CBT-N, 12V DC, Blade (MPN CBT-20N)
Type II automotive circuit breaker with manual reset capability for 12V DC systems. Features blade terminal connection and plug-in mount design for easy installation in fuse blocks or breaker panels. Suitable for protecting electrical circuits in vehicles, marine, and off-road equipment from overloads and short circuits
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Type II automotive circuit breaker with manual reset capability for 12V DC systems. Features blade terminal connection and plug-in mount design for easy installation in fuse blocks or breaker panels. Suitable for protecting electrical circuits in vehicles, marine, and off-road equipment from overloads and short circuits
Plug-in mount circuit breaker for 12V DC systems. Type II (auto-reset) design with blade terminal connection. Provides resettable overcurrent protection for automotive electrical circuits
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Plug-in mount circuit breaker for 12V DC systems. Type II (auto-reset) design with blade terminal connection. Provides resettable overcurrent protection for automotive electrical circuits
Automotive Circuit Breaker: CBT-N, 12V DC, Blade (MPN CBT-25N)
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Automotive Circuit Breaker: CBT-N, 12V DC, Blade (MPN CBT-25N)
Automotive Circuit Breaker: CBT-N, 12V DC, Blade (MPN CBT-30N)
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Automotive Circuit Breaker: CBT-N, 12V DC, Blade (MPN CBT-30N)

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