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BUSSMANN Automotive Circuit Breaker: CBF, 12V DC, 1 kA at 12V DC - Plug-In Mount Automotive Circuit Breakers
BUSSMANNPlug-In Mount Automotive Circuit Breakers

BUSSMANN Automotive Circuit Breaker: CBF, 12V DC, 1 kA at 12V DC

The BUSSMANN CBF-40 is a plug-in mount automotive circuit breaker from the CBF series, featuring a glass tube style design. It operates at 12V DC with an interrupt rating of 1 kA at 12V DC and uses a blade terminal…

SKU 3G-OTH-19608

Also listed as: CBF40 · CBF 40

Brand
BUSSMANN
Item
Automotive Circuit Breaker: CBF, 12V DC, 1 kA at 12V DC
Category
Plug-In Mount Automotive Circuit Breakers
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

BUSSMANN
Manufacturer Part Number
CBF-40
Series
CBF
Voltage
12V DC
Interrupt Rating
1 kA at 12V DC
Terminal Connection
Blade
Circuit Breaker Type
Glass Tube Style Circuit Breaker

Technical Documents

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

Product Description

The BUSSMANN CBF-40 is a plug-in mount automotive circuit breaker from the CBF series, featuring a glass tube style design. It operates at 12V DC with an interrupt rating of 1 kA at 12V DC and uses a blade terminal connection.

Frequently Asked Questions

What is the BUSSMANN CBF-40 automotive circuit breaker used for?

The BUSSMANN CBF-40 is a plug-in mount automotive circuit breaker designed to protect 12V DC electrical circuits in vehicles, trailers, and marine applications. Its glass tube style and blade terminal allow easy installation in standard fuse blocks, providing reliable overcurrent protection up to 1 kA interrupt rating.

What are the specifications of the BUSSMANN CBF-40?

The BUSSMANN CBF-40 is a 12V DC automotive circuit breaker with a 1 kA interrupt rating at 12V DC. It features a blade terminal connection and a glass tube style design. Part of the CBF series, it is a plug-in mount device suitable for protecting wiring and components from overloads and short circuits.

Where to buy the BUSSMANN CBF-40 worldwide?

3G Electric supplies the BUSSMANN CBF-40 automotive circuit breaker to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this genuine BUSSMANN part.

How to install the BUSSMANN CBF-40 circuit breaker?

To install the BUSSMANN CBF-40, ensure the circuit is de-energized. Align the blade terminals with the corresponding slots in the fuse block and push firmly until seated. Verify the breaker is rated for your system voltage (12V DC) and that the circuit load does not exceed 40A continuous. Always follow manufacturer 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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