Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
BUSSMANN Automotive Circuit Breaker: CBT-N, 12V DC - Plug-In Mount Automotive Circuit Breakers
BUSSMANNPlug-In Mount Automotive Circuit Breakers

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

The BUSSMANN CBT-N Automotive Circuit Breaker (MPN CBT-25N) is a Type II automotive circuit breaker with a blade terminal connection, designed for plug-in mount applications. It operates at 12V DC and has an…

SKU 3G-OTH-19673

Brand
BUSSMANN
Item
Automotive Circuit Breaker: CBT-N, 12V DC
Category
Plug-In Mount Automotive Circuit Breakers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

BUSSMANN
Manufacturer Part Number
CBT-25N
Series
CBT-N
Voltage
12V DC
Interrupt Rating
Not Rated
Terminal Connection
Blade
Circuit Breaker Type
Type II Automotive Circuit Breaker
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The BUSSMANN CBT-N Automotive Circuit Breaker (MPN CBT-25N) is a Type II automotive circuit breaker with a blade terminal connection, designed for plug-in mount applications. It operates at 12V DC and has an interrupt rating of Not Rated. This product is part of the CBT-N series and is suitable for use in automotive electrical systems.

Frequently Asked Questions

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

The BUSSMANN CBT-N (MPN CBT-25N) is a Type II automotive circuit breaker used to protect 12V DC electrical circuits in vehicles. It automatically resets after a fault, making it suitable for applications like lighting, motors, and auxiliary systems where overcurrent protection is needed.

What are the specifications of the BUSSMANN CBT-25N circuit breaker?

The BUSSMANN CBT-25N is a Type II automotive circuit breaker from the CBT-N series. It operates at 12V DC, has a blade terminal connection, and a plug-in mount design. Its interrupt rating is not rated. The manufacturer part number is CBT-25N.

Where to buy BUSSMANN CBT-25N circuit breakers worldwide?

You can source the BUSSMANN CBT-25N circuit breaker through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time.

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

To install the BUSSMANN CBT-N, ensure the power is off. Align the blade terminals with the corresponding slots in the fuse block or panel, then press firmly until it clicks into place. Verify the circuit is rated for 12V DC and that the breaker is properly seated.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
Automotive Circuit Breaker: CBT-M, 12V DC, Blade (MPN CBT-25M). Key specifications — Series: CBT-M; Voltage: 12V DC; Interrupt Rating: Not Rated; Terminal Connection: Blade; Circuit Breaker Type: Type II Automotive Circuit Breaker; Brand: BUSSMANN.
BUSSMANN
Automotive Circuit Breaker: CBT-M, 12V DC, Blade (MPN CBT-25M). Key specifications — Series: CBT-M; Voltage: 12V DC; Interrupt Rating: Not Rated; Terminal Connection: Blade; Circuit Breaker Type: Type II Automotive Circuit Breaker; Brand: BUSSMANN.
Automotive Circuit Breaker: CBT-N, 12V DC, Blade (MPN CBT-20N). Key specifications — Series: CBT-N; Voltage: 12V DC; Interrupt Rating: Not Rated; Terminal Connection: Blade; Circuit Breaker Type: Type II Automotive Circuit Breaker; Brand: BUSSMANN.
BUSSMANN
Automotive Circuit Breaker: CBT-N, 12V DC, Blade (MPN CBT-20N). Key specifications — Series: CBT-N; Voltage: 12V DC; Interrupt Rating: Not Rated; Terminal Connection: Blade; Circuit Breaker Type: Type II Automotive Circuit Breaker; Brand: BUSSMANN.
Automotive Circuit Breaker: CBT-N, 12V DC, Blade (MPN CBT-15N). Key specifications — Series: CBT-N; Voltage: 12V DC; Interrupt Rating: Not Rated; Terminal Connection: Blade; Circuit Breaker Type: Type II Automotive Circuit Breaker; Brand: BUSSMANN.
BUSSMANN
Automotive Circuit Breaker: CBT-N, 12V DC, Blade (MPN CBT-15N). Key specifications — Series: CBT-N; Voltage: 12V DC; Interrupt Rating: Not Rated; Terminal Connection: Blade; Circuit Breaker Type: Type II Automotive Circuit Breaker; Brand: BUSSMANN.
Automotive Circuit Breaker: CBT-N, 12V DC, Blade (MPN CBT-30N). Key specifications — Series: CBT-N; Voltage: 12V DC; Interrupt Rating: Not Rated; Terminal Connection: Blade; Circuit Breaker Type: Type II Automotive Circuit Breaker; Brand: BUSSMANN.
BUSSMANN
Automotive Circuit Breaker: CBT-N, 12V DC, Blade (MPN CBT-30N). Key specifications — Series: CBT-N; Voltage: 12V DC; Interrupt Rating: Not Rated; Terminal Connection: Blade; Circuit Breaker Type: Type II Automotive Circuit Breaker; Brand: BUSSMANN.
Automotive Circuit Breaker: CBT-M, 12V DC, Blade (MPN CBT-20M). Key specifications — Series: CBT-M; Voltage: 12V DC; Interrupt Rating: Not Rated; Terminal Connection: Blade; Circuit Breaker Type: Type II Automotive Circuit Breaker; Brand: BUSSMANN.
BUSSMANN
Automotive Circuit Breaker: CBT-M, 12V DC, Blade (MPN CBT-20M). Key specifications — Series: CBT-M; Voltage: 12V DC; Interrupt Rating: Not Rated; Terminal Connection: Blade; Circuit Breaker Type: Type II Automotive Circuit Breaker; Brand: BUSSMANN.
Automotive Circuit Breaker: CBT-M, 12V DC, Blade (MPN CBT-10M). Key specifications — Series: CBT-M; Voltage: 12V DC; Interrupt Rating: Not Rated; Terminal Connection: Blade; Circuit Breaker Type: Type II Automotive Circuit Breaker; Brand: BUSSMANN.
BUSSMANN
Automotive Circuit Breaker: CBT-M, 12V DC, Blade (MPN CBT-10M). Key specifications — Series: CBT-M; Voltage: 12V DC; Interrupt Rating: Not Rated; Terminal Connection: Blade; Circuit Breaker Type: Type II Automotive Circuit Breaker; Brand: BUSSMANN.

More from BUSSMANN

View all BUSSMANN parts →
Automotive Circuit Breaker: CBF, 12V DC, 1 kA at 12V DC, Blade (MPN CBF-30). Key specifications — Series: CBF; Voltage: 12V DC; Interrupt Rating: 1 kA at 12V DC; Terminal Connection: Blade; Circuit Breaker Type: Glass Tube Style Circuit Breaker; Brand: BUSSMANN.
BUSSMANN
Automotive Circuit Breaker: CBF, 12V DC, 1 kA at 12V DC, Blade (MPN CBF-30). Key specifications — Series: CBF; Voltage: 12V DC; Interrupt Rating: 1 kA at 12V DC; Terminal Connection: Blade; Circuit Breaker Type: Glass Tube Style Circuit Breaker; Brand: BUSSMANN.
Automotive Circuit Breaker: UCB, 12V DC, 100 A at 12V DC, Blade (MPN UCB-6). Key specifications — Series: UCB; Voltage: 12V DC; Interrupt Rating: 100 A at 12V DC; Terminal Connection: Blade; Circuit Breaker Type: Type I ATC Circuit Breaker; Brand: BUSSMANN.
BUSSMANN
Automotive Circuit Breaker: UCB, 12V DC, 100 A at 12V DC, Blade (MPN UCB-6). Key specifications — Series: UCB; Voltage: 12V DC; Interrupt Rating: 100 A at 12V DC; Terminal Connection: Blade; Circuit Breaker Type: Type I ATC Circuit Breaker; Brand: BUSSMANN.
Automotive Circuit Breaker: CB222, 12V DC, 225 A at 14V DC, Blade (MPN CB222-15). Key specifications — Series: CB222; Voltage: 12V DC; Interrupt Rating: 225 A at 14V DC; Terminal Connection: Blade; Circuit Breaker Type: Type II ATC Footprint Circuit Breaker; Brand: BUSSMANN.
BUSSMANN
Automotive Circuit Breaker: CB222, 12V DC, 225 A at 14V DC, Blade (MPN CB222-15). Key specifications — Series: CB222; Voltage: 12V DC; Interrupt Rating: 225 A at 14V DC; Terminal Connection: Blade; Circuit Breaker Type: Type II ATC Footprint Circuit Breaker; Brand: BUSSMANN.
Automotive Circuit Breaker: CB211, 14V DC, 225 A at 14V DC, Blade (MPN CB211-15). Key specifications — Series: CB211; Voltage: 14V DC; Interrupt Rating: 225 A at 14V DC; Terminal Connection: Blade; Circuit Breaker Type: Type I Footprint Circuit Breaker; Brand: BUSSMANN.
BUSSMANN
Automotive Circuit Breaker: CB211, 14V DC, 225 A at 14V DC, Blade (MPN CB211-15). Key specifications — Series: CB211; Voltage: 14V DC; Interrupt Rating: 225 A at 14V DC; Terminal Connection: Blade; Circuit Breaker Type: Type I Footprint Circuit Breaker; Brand: BUSSMANN.
Automotive Circuit Breaker: CB212, 14V DC, 225 A at 14V DC, Blade (MPN CB212-20). Key specifications — Series: CB212; Voltage: 14V DC; Interrupt Rating: 225 A at 14V DC; Terminal Connection: Blade; Circuit Breaker Type: Type II Footprint Circuit Breaker; Brand: BUSSMANN.
BUSSMANN
Automotive Circuit Breaker: CB212, 14V DC, 225 A at 14V DC, Blade (MPN CB212-20). Key specifications — Series: CB212; Voltage: 14V DC; Interrupt Rating: 225 A at 14V DC; Terminal Connection: Blade; Circuit Breaker Type: Type II Footprint Circuit Breaker; Brand: BUSSMANN.
Automotive Circuit Breaker: CB227, 28V DC, 2 kA at 28V DC, Blade (MPN CB227-10). Key specifications — Series: CB227; Voltage: 28V DC; Interrupt Rating: 2 kA at 28V DC; Terminal Connection: Blade; Circuit Breaker Type: Type III ATC Footprint Circuit Breaker; Brand: BUSSMANN.
BUSSMANN
Automotive Circuit Breaker: CB227, 28V DC, 2 kA at 28V DC, Blade (MPN CB227-10). Key specifications — Series: CB227; Voltage: 28V DC; Interrupt Rating: 2 kA at 28V DC; Terminal Connection: Blade; Circuit Breaker Type: Type III ATC Footprint Circuit Breaker; Brand: BUSSMANN.
Automotive Circuit Breaker: CBF, 12V DC, 1 kA at 12V DC, Blade (MPN CBF-40). Key specifications — Series: CBF; Voltage: 12V DC; Interrupt Rating: 1 kA at 12V DC; Terminal Connection: Blade; Circuit Breaker Type: Glass Tube Style Circuit Breaker; Brand: BUSSMANN.
BUSSMANN
Automotive Circuit Breaker: CBF, 12V DC, 1 kA at 12V DC, Blade (MPN CBF-40). Key specifications — Series: CBF; Voltage: 12V DC; Interrupt Rating: 1 kA at 12V DC; Terminal Connection: Blade; Circuit Breaker Type: Glass Tube Style Circuit Breaker; Brand: BUSSMANN.
Automotive Circuit Breaker: CB222, 12V DC, 225 A at 14V DC, Blade (MPN CB222-25). Key specifications — Series: CB222; Voltage: 12V DC; Interrupt Rating: 225 A at 14V DC; Terminal Connection: Blade; Circuit Breaker Type: Type II ATC Footprint Circuit Breaker; Brand: BUSSMANN.
BUSSMANN
Automotive Circuit Breaker: CB222, 12V DC, 225 A at 14V DC, Blade (MPN CB222-25). Key specifications — Series: CB222; Voltage: 12V DC; Interrupt Rating: 225 A at 14V DC; Terminal Connection: Blade; Circuit Breaker Type: Type II ATC Footprint Circuit Breaker; Brand: BUSSMANN.