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Bussmann CB1921 Type II MAXI Circuit Breaker, 12 Vdc Automotive
The Bussmann CB1921 Type II MAXI circuit breaker is an Eaton Bussmann series automotive circuit protection device built in the industry-standard MAXI footprint for drop-in compatibility with existing MAXI-style breaker mounts. Rated 12 Vdc with a 150 AIC interrupt rating, this Type II MAXI breaker is engineered for automotive electrical systems that demand dependable overcurrent protection in demanding under-hood and power-distribution environments. This CB1921 family is available in 10A, 15A, 20A, and 30A ratings, letting installers and OEM design engineers match circuit protection to the exact load requirement of a given automotive circuit without changing the mounting footprint or wiring configuration.
Key Features
- Amp Rating Range: available in 10A, 15A, 20A, and 30A ratings to cover a wide range of automotive circuit loads from a single MAXI-footprint platform.
- Voltage Rating: 12 Vdc, matched to standard automotive electrical systems for straightforward system integration.
- Interrupt Rating: 150 AIC (amps interrupt capacity) for reliable protection against high fault currents in automotive circuits.
- Type II MAXI Design: Type II circuit breaker construction in the MAXI footprint for standardized, repeatable mounting across a vehicle electrical system.
- MAX Footprint: industry-standard MAXI footprint sizing for drop-in replacement of existing breakers without redesigning the mounting panel.
- Automotive-Rated: purpose-built for automotive circuit protection applications, from fuse/relay panels to auxiliary circuit distribution.
Technical Specifications
- Product Length Depth: 14.75 in
- Product Height: 7.5 in
- Compliances: Contact factory
- Product Weight: .5 lb
- Product Width: 9.25 in
Typical Applications
- Automotive Electrical Circuit Protection
- Mobile and Off-Road Equipment Wiring
- 12 Vdc Power Distribution Systems
- Replacement for Existing MAXI-Footprint Breakers
- Automotive Panel and Fuse Box Upgrades
- OEM and Aftermarket Automotive Wiring Harness Protection
Why Bussmann?
Bussmann circuit breakers from the Eaton Bussmann series are engineered for dependable automotive circuit protection, combining a 150 AIC interrupt rating with the Type II MAXI footprint for straightforward installation and replacement across a vehicle electrical system. Choosing the CB1921 MAXI breaker family gives professionals a trusted 12 Vdc protection platform across the full 10A-30A rating range for automotive electrical work, so the same footprint and mounting hardware can serve multiple circuit-protection needs. Eaton Bussmann series products are a recognized choice among electrical professionals for automotive-grade circuit protection.
Manufacturer Resources
Product Specs
- Interrupt Rating:
- 150 AIC
- Product Length Depth:
- 14.75 in
- Product Height:
- 7.5 in
- Voltage Rating:
- 12 Vdc
- Department:
- Electrical
- Compliances:
- Contact factory
- Product Weight:
- .5 lb
- Product Width:
- 9.25 in
- Product Type:
- Circuit Breaker
- Series:
- MAXI
- Configuration:
- Type II
- Product Group:
- Fuses
- Product Subgroup:
- Automotive Fuses