BA1-B0-12-420-111-D BA1-B0-12-420-111-D is a 2A, 277V, 1-pole magnetic (hydraulic delay) circuit breaker from Littelfuse Inc. It features a lever actuator and panel mount design.
Mfr Part #:

BA1-B0-12-420-111-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
BA1-B0-12-420-111-D is a 2A, 277V, 1-pole magnetic (hydraulic delay) circuit breaker from Littelfuse Inc. It features a lever actuator and panel mount design.
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BA1-B0-12-420-111-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

BA1-B0-12-420-111-D Description

Short technical summary and product information.

The BA1-B0-12-420-111-D is a single-pole magnetic circuit breaker from Littelfuse Inc. employing a hydraulic delay mechanism for overcurrent protection. It is rated for 2A continuous current at 277V AC/DC, making it suitable for branch circuit protection in a variety of equipment.

 

The breaker uses a lever actuator for manual on/off control and is designed for panel mount installation. It carries approvals from CCC, CSA, UL, and VDE, indicating compliance with major international safety standards. The non-illuminated design simplifies installation and reduces power consumption.

BA1-B0-12-420-111-D Quick Information

Product Type: Circuit Breaker
Canonical Name: BA1-B0-12-420-111-D Magnetic (Hydraulic Delay) Circuit Breaker, 2A, 277V, 1 Pole, Panel Mount
Subcategory: Magnetic (Hydraulic Delay) Circuit Breaker

BA1-B0-12-420-111-D Compliance

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

BA1-B0-12-420-111-D Features

  • Rated for 2A continuous current at 277V.
  • Single-pole magnetic hydraulic delay mechanism.
  • Panel mount with lever actuator.
  • Approved by CCC, CSA, UL, and VDE.
  • Non-illuminated design for simple operation.

BA1-B0-12-420-111-D Applications

  • Overcurrent protection for lighting circuits.
  • Circuit protection in industrial control panels.
  • Suitable for motor branch circuit protection.
  • Used in HVAC equipment power distribution.

BA1-B0-12-420-111-D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the BA1-B0-12-420-111-D?

The current rating is 2A.

What is the voltage rating of this circuit breaker?

The voltage rating is 277V.

What type of breaker is the BA1-B0-12-420-111-D?

It is a magnetic (hydraulic delay) circuit breaker.

How many poles does this breaker have?

It has 1 pole.

What actuator type does this breaker use?

It uses a lever actuator.

What mounting type is supported?

Panel mount.

What approvals does the BA1-B0-12-420-111-D hold?

It is approved by CCC, CSA, UL, and VDE.

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BA1-B0-12-420-121-D
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The Littelfuse Inc. BA1-B0-12-420-121-D is a single-pole, magnetic (hydraulic delay) circuit breaker rated for 2A and 277V. It features a panel mount design with a lever actuator.
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The Littelfuse Inc. BA1-B0-14-420-122-D is a single-pole, magnetic hydraulic delay circuit breaker. It features a 2A current rating and a 277V voltage rating.
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