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BA1-B0-12-450-221-D The Littelfuse Inc. BA1-B0-12-450-221-D is a single-pole, magnetic hydraulic delay circuit breaker. It features a 5A current rating and a 277V voltage rating.
Mfr Part #:

BA1-B0-12-450-221-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. BA1-B0-12-450-221-D 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-B0-12-450-221-D 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
Voltage Rating
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BA1-B0-12-450-221-D Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number BA1-B0-12-450-221-D, is designed for circuit protection applications. It operates with a current rating of 5A and a voltage rating of 277V.

 

The breaker type is magnetic with a hydraulic delay, and it features a single pole configuration. The actuator type is a lever, and it is designed for panel mounting.

 

Compliance information indicates RoHS3 compliance, MSL 1 Unlimited, and REACH unaffected status. Approval agencies include CCC, CSA, UL, and VDE.

BA1-B0-12-450-221-D Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. BA1-B0-12-450-221-D Circuit Breaker
Subcategory: Circuit Breaker

BA1-B0-12-450-221-D Compliance

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

BA1-B0-12-450-221-D Features

  • 5A current rating
  • 277V voltage rating
  • Magnetic hydraulic delay breaker type
  • Panel mount with lever actuator
  • Single pole configuration

BA1-B0-12-450-221-D Applications

  • Ideal for industrial control panel protection.
  • Used in HVAC equipment circuit protection.
  • Suitable for lighting system branch circuits.
  • Applied in motor starter protection circuits.

BA1-B0-12-450-221-D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage of this circuit breaker?

277V AC.

What is the mounting type?

Panel mount.

What is the current rating of this circuit breaker?

5A.

How many poles does this circuit breaker have?

1 pole.

What type of breaker is this?

Magnetic (Hydraulic Delay).

What is the actuator type?

Lever.

Does this circuit breaker have illumination?

No, it is non-illuminated.

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