1. Introduction
The Bussmann CB223-10 is a Type III ATC blade style automotive circuit breaker designed to provide reliable circuit protection in various automotive applications. This compact, ultra-thin unit features a manual reset function, offering a reusable alternative to traditional fuses.
2. Product Overview
This image displays the top surface of the Bussmann CB223-10 circuit breaker, highlighting its compact form factor and the printed product details such as model number and voltage rating.
Key Features:
- Type III ATC Blade Style: Designed to match the standard ATC fuse footprint.
- Ultra-Thin Design: Allows for installation in tight spaces.
- 10 Amp, 12 Vdc Rating: Suitable for common automotive electrical systems.
- Manual Reset: Features a button on the exposed end for manual circuit restoration.
- SAE J553 Standards: Meets industry standards for automotive circuit breakers.
3. Installation (Setup)
The Bussmann CB223-10 circuit breaker is designed for installation in compatible automotive fuse blocks that accept ATC blade fuses. Its ultra-thin profile is intended to facilitate placement in confined areas.
Important Installation Note: While designed for the ATC fuse footprint, some users have reported that the physical dimensions, specifically the thickness near the base, may prevent it from fitting securely into all standard ATC fuse blocks. Always verify fitment in your specific application before final installation to ensure proper contact and secure seating.
This image presents a side view of the circuit breaker, illustrating the manual reset button. Ensure proper orientation and secure connection within the fuse block.
To install, carefully insert the circuit breaker into the appropriate slot in your vehicle's fuse block. Ensure it is fully seated and makes firm electrical contact. Consult your vehicle's service manual for specific fuse block locations and circuit requirements.
4. Operation
The CB223-10 is a Type III circuit breaker, meaning it automatically trips (opens the circuit) when an overcurrent condition is detected. This protects the electrical circuit from damage due to excessive current flow.
Once tripped, the circuit breaker can be manually reset. To reset the circuit breaker, locate the red button on the exposed end of the unit. Press this button firmly to restore the circuit. If the circuit breaker immediately trips again after resetting, this indicates a persistent overcurrent condition or a short circuit that needs to be addressed before further operation.
5. Maintenance
Bussmann CB223-10 circuit breakers are designed for maintenance-free operation under normal conditions. Periodically inspect the unit and its connections for any signs of corrosion, physical damage, or loose wiring. Ensure the area around the circuit breaker is free from debris that could obstruct the reset button or airflow. No lubrication or cleaning of internal components is required.
6. Troubleshooting
- Circuit Breaker Trips Immediately After Reset: This indicates a continuous overcurrent or short circuit in the protected circuit. Do not repeatedly reset the breaker without investigating the cause. Identify and resolve the electrical fault in the circuit before attempting to reset again.
- Circuit Breaker Does Not Reset: Ensure the reset button is fully depressed. If it still does not reset, the breaker may be damaged internally and require replacement. Verify there is no active overcurrent condition preventing the reset mechanism from engaging.
- No Power to Circuit (Breaker Not Tripped): If the circuit breaker is not in a tripped state and the circuit has no power, check all connections for looseness or corrosion. Test the circuit breaker for continuity if possible, or replace it with a known good unit to rule out a faulty breaker.
7. Specifications
| Specification | Detail |
|---|---|
| Brand | Bussmann |
| Model Number | CB223-10 |
| Current Rating | 10 Amps |
| Voltage | 12 Vdc |
| Circuit Breaker Type | Type III, ATC Blade Style |
| Mounting Type | ATC Footprint |
| Number of Poles | 1 |
| Standards Met | SAE J553 |
| Item Weight | 7.2 ounces |
| Product Dimensions | 4.6 x 4 x 1 inches |
| UPC | 051712614801 |
8. Warranty and Support
Specific warranty information for the Bussmann CB223-10 circuit breaker is not provided within this manual. For detailed warranty terms, technical support, or further assistance, please refer to the official Bussmann (Eaton) website or contact their customer service directly using the contact information provided on their official channels.
