BA1-B0-24-440-121-C The Littelfuse Inc. BA1-B0-24-440-121-C is a single-pole, magnetic hydraulic delay circuit breaker. It is designed for panel mounting and offers a 4A current rating and 277V voltage rating.
Mfr Part #:

BA1-B0-24-440-121-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. BA1-B0-24-440-121-C is a single-pole, magnetic hydraulic delay circuit breaker. It is designed for panel mounting and offers a 4A current rating and 277V voltage rating.
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BA1-B0-24-440-121-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)
Illumination
Mounting Type
Number of Poles
SVHC Present
Voltage Rating

BA1-B0-24-440-121-C Description

Short technical summary and product information.

This Littelfuse Inc. BA1-B0-24-440-121-C is a single-pole circuit breaker featuring a magnetic hydraulic delay mechanism. It is suitable for panel mounting applications and has a current rating of 4A with a voltage rating of 277V.

 

The breaker type is magnetic (hydraulic delay), and it has a lever actuator. It is approved by CCC, CSA, and UL agencies. The component is RoHS3 compliant and has a Moisture Sensitivity Level (MSL) of 1, indicating unlimited shelf life under standard conditions.

 

Key electrical specifications include a 4A current rating and a 277V voltage rating. The breaker is designed for general circuit protection needs where a reliable magnetic trip mechanism is required. Its panel mount design ensures easy integration into various enclosures and systems.

BA1-B0-24-440-121-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. BA1-B0-24-440-121-C Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay)

BA1-B0-24-440-121-C Compliance

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

BA1-B0-24-440-121-C Features

  • 4A current rating for circuit protection.
  • 277V voltage rating for various applications.
  • Magnetic hydraulic delay breaker type.
  • Panel mount for easy installation.
  • RoHS3 compliant for environmental standards.

BA1-B0-24-440-121-C Applications

  • General purpose circuit protection.
  • Industrial control panels.
  • Power distribution systems.
  • Equipment safety applications.

BA1-B0-24-440-121-C FAQs

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

277V.

What is the current rating?

4A.

How many poles does it have?

1 pole.

What type of breaker is it?

Magnetic (Hydraulic Delay).

What is the actuator type?

Lever.

What mounting type is supported?

Panel Mount.

What approvals does it have?

CCC, CSA, UL.

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AA1-B0-44-440-1B1-C
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The Littelfuse Inc. AA1-B0-44-440-1B1-C is a single-pole circuit breaker. It features a magnetic hydraulic delay mechanism and a panel mount design.
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AA1-B0-52-440-1D1-C
AA1-B0-52-440-1D1-C
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This is a 1-pole magnetic hydraulic delay circuit breaker from Littelfuse, rated for 4A at 277V. It features a lever actuator and panel mount design.
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AA1-B0-24-440-1D1-C
AA1-B0-24-440-1D1-C
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-24-440-1D1-C is a single-pole, magnetic hydraulic delay circuit breaker rated for 4A and 277V. It features a panel mount design.
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