BA1-B0-24-450-121-C The Littelfuse Inc. BA1-B0-24-450-121-C is a single-pole circuit breaker designed for circuit protection. It features a 5A current rating and a 277V AC voltage rating.
Mfr Part #:

BA1-B0-24-450-121-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. BA1-B0-24-450-121-C is a single-pole circuit breaker designed for circuit protection. It features a 5A current rating and a 277V AC voltage rating.
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BA1-B0-24-450-121-C Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
Approval Agency
Breaker Type
Current Rating
Current Rating (Amps)
Failure Rate
Illumination
Mounting Type
Number of Poles
SVHC Present
Voltage Rating

BA1-B0-24-450-121-C Description

Short technical summary and product information.

The Littelfuse Inc. BA1-B0-24-450-121-C is a single-pole circuit breaker from the Series B. It is designed for reliable circuit protection with a current rating of 5A and an AC voltage rating of 277V. The breaker type is Magnetic (Hydraulic Delay), offering specific protection characteristics.

 

This circuit breaker is suitable for panel mounting, making it versatile for various enclosure designs. It is approved by CCC, CSA, and UL agencies, indicating compliance with rigorous safety standards. The lever actuator type provides a clear and easy method for operation.

 

Compliance information indicates RoHS3 compliance, MSL 1 Unlimited, and REACH Unaffected status. This component is part of the broader circuit protection category, specifically within circuit breakers.

BA1-B0-24-450-121-C Quick Information

Product Type: Circuit Breaker
Series: B
Canonical Name: Littelfuse Inc. BA1-B0-24-450-121-C Circuit Breaker
Subcategory: Thermal Magnetic Circuit Breakers

BA1-B0-24-450-121-C Compliance

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

BA1-B0-24-450-121-C Features

  • Single-pole circuit breaker with 5A rating.
  • Rated for 277V AC and 80V DC operation.
  • Magnetic (Hydraulic Delay) breaker type.
  • Panel mountable with lever actuator.
  • Approved by CCC, CSA, and UL agencies.

BA1-B0-24-450-121-C Applications

  • Protects control panels from overcurrent faults.
  • Safeguards industrial motor control circuits.
  • Provides single-phase overload protection.
  • Integrates into commercial power distribution.
  • Secures sensitive electronic equipment loads.

BA1-B0-24-450-121-C FAQs

5 frequently asked questions generated from this part’s specifications.
What is the current rating of the BA1-B0-24-450-121-C circuit breaker?

The current rating is 5A.

What is the AC voltage rating for this circuit breaker?

The AC voltage rating is 277V.

What type of breaker is the BA1-B0-24-450-121-C?

It is a Magnetic (Hydraulic Delay) breaker type.

How is the BA1-B0-24-450-121-C mounted?

It is designed for Panel Mount.

What agencies have approved this circuit breaker?

It is approved by CCC, CSA, and UL.

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