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CB221-20 The Bussmann CB221-20 is a 1-pole automotive circuit breaker rated for 20A and 14 VDC. It features a Type I ATC footprint and automatic reset.
Mfr Part #:

CB221-20

Mfr Name: Eaton - Electronics Division
Eaton - Electronics Division
The Bussmann CB221-20 is a 1-pole automotive circuit breaker rated for 20A and 14 VDC. It features a Type I ATC footprint and automatic reset.
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CB221-20 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
Color
Current Rating
Current Rating (Amps)
Dimensions
Footprint
Housing Material
Mounting Type
Number of Poles
Voltage Rating
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CB221-20 Description

Short technical summary and product information.

This Bussmann CB221-20 circuit breaker is designed for automotive applications, including on-road vehicles and RVs. It offers a 20A current rating and operates at 14 VDC with a 150A interrupt capacity.

 

The breaker features a Type I ATC footprint, ensuring compatibility with ATC style fuse panels. It has an automatic reset function and a thermoplastic housing with a gray finish. The dimensions are 1-1/2 inches long by 3/4 inches wide by 1/4 inches high.

 

This circuit breaker complies with SAE standard J553 and is suitable for various automotive circuit protection needs.

CB221-20 Quick Information

Product Type: Circuit Breaker
Series: CB221
Canonical Name: Bussmann CB221-20 Automotive Circuit Breaker

CB221-20 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

CB221-20 Features

  • 20A current rating for automotive circuits.
  • 14 VDC operating voltage.
  • Type I ATC footprint for fuse panel compatibility.
  • Automatic reset function included.
  • Compact thermoplastic housing.

CB221-20 Applications

  • Ideal for on-road vehicles.
  • Suitable for RV applications.
  • Used in automotive circuits.
  • Provides reliable circuit protection.

CB221-20 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage of the CB221-20?

The CB221-20 is rated for 14 VDC operation.

What is the package or mounting type for this circuit breaker?

The CB221-20 is designed for holder mounting with dimensions 1-1/2 in L x 3/4 in W x 1/4 in H.

What is the current rating of the CB221-20?

The CB221-20 has a current rating of 20 A.

What is the interrupt current rating?

The CB221-20 can interrupt up to 150 A.

What type of actuator does the CB221-20 use?

The CB221-20 uses an automatic reset actuator.

What footprint does the CB221-20 have?

The CB221-20 has a Type I ATC footprint.

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