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BA1-B0-21-450-221-C The Littelfuse Inc. BA1-B0-21-450-221-C is a single-pole, magnetic (hydraulic delay) circuit breaker. It features a 5A current rating and a 277V voltage rating.
Mfr Part #:

BA1-B0-21-450-221-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. BA1-B0-21-450-221-C is a single-pole, magnetic (hydraulic delay) circuit breaker. It features a 5A current rating and a 277V voltage rating.
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BA1-B0-21-450-221-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)
Illumination
Mounting Type
Number of Poles
SVHC Present
Voltage Rating
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BA1-B0-21-450-221-C Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number BA1-B0-21-450-221-C, is designed for panel mounting. It operates as a single-pole breaker with a magnetic (hydraulic delay) mechanism.

 

The breaker has a current rating of 5A and a voltage rating of 277V. The actuator type is a lever, and it does not feature illumination. Approval agencies include CCC, CSA, and UL.

 

Compliance information indicates RoHS3 compliance, MSL 1, and REACH unaffected status. The mounting type is panel mount.

BA1-B0-21-450-221-C Quick Information

Product Type: Circuit Breaker
Series: BA1
Canonical Name: Littelfuse Inc. BA1-B0-21-450-221-C Circuit Breaker
Subcategory: Circuit Breaker

BA1-B0-21-450-221-C Compliance

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

BA1-B0-21-450-221-C Features

  • 5A current rating for protection.
  • 277V voltage rating.
  • Panel mount design.
  • Magnetic (hydraulic delay) breaker type.
  • Single pole configuration.

BA1-B0-21-450-221-C Applications

  • Panel mount circuit protection for branch circuits
  • Overcurrent protection in lighting control panels
  • Industrial control panel circuit breaker applications
  • Power distribution protection for 277V systems
  • High inrush current motor branch circuit protection

BA1-B0-21-450-221-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the BA1-B0-21-450-221-C?

5A

What is the voltage rating?

277V

What is the breaker type?

Magnetic (Hydraulic Delay)

How many poles does this circuit breaker have?

1 pole

What type of actuator does it have?

Lever

What is the mounting type?

Panel Mount

Is the circuit breaker illuminated?

No, it has no illumination.

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