Mfr Part #:

BA1-B0-12-420-211-D

Single-pole magnetic (hydraulic delay) circuit breaker rated 2A at 277V. Features lever actuator and panel mount design.

Stock on Request

BA1-B0-12-420-211-D Description

Short technical summary and product information.

The Littelfuse BA1-B0-12-420-211-D is a single-pole magnetic hydraulic delay circuit breaker. It is rated for 2A continuous current at 277V AC, providing reliable overcurrent protection in a compact panel-mount package.

This breaker features a lever actuator for manual on/off control. The hydraulic-magnetic trip mechanism offers inverse time delay characteristics, making it suitable for applications with inrush currents such as motors and transformers. The panel mount design facilitates easy installation in control panels.

The BA1-B0-12-420-211-D carries approvals from CCC, CSA, UL, and VDE, ensuring compliance with international safety standards.

BA1-B0-12-420-211-D Quick Information

Product Type: Circuit Breaker

Series: BA1

Canonical Name: 1-Pole Magnetic (Hydraulic Delay) Circuit Breaker, 2A, 277V

Subcategory: Magnetic Circuit Breaker

BA1-B0-12-420-211-D Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

BA1-B0-12-420-211-D Features

Magnetic hydraulic delay trip mechanism.
Rated 2A at 277V AC.
Single pole configuration.
Panel mount with lever actuator.
Approved by CCC, CSA, UL, VDE.

BA1-B0-12-420-211-D Applications

Protects branch circuits from overcurrent damage.
Used in panel-mounted power distribution systems.
Suitable for lighting and appliance circuits.
Provides overcurrent protection in control panels.
Ideal for equipment needing hydraulic-magnetic delay.

BA1-B0-12-420-211-D 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?

How many poles does it have?

1 pole

What type of circuit breaker is this?

Magnetic (Hydraulic Delay)

What is the mounting type?

Panel Mount

What type of actuator does it use?

Lever

What certifications does the BA1-B0-12-420-211-D have?

CCC, CSA, UL, VDE

BA1-B0-12-420-211-D Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.

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BA1-B2-14-420-122-D

Littelfuse Inc.

The Littelfuse Inc. BA1-B2-14-420-122-D is a single-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism and a 2A current rating.

View Part

Category	Circuit Breakers
Manufacturer Name	Littelfuse Inc.
Actuator Type	Lever
Approval Agency	CCC, CSA, UL, VDE
Breaker Type	Magnetic (Hydraulic Delay)
Current Rating	2A
Current Rating (Amps)	2A
Illumination	None
Mounting Type	Panel Mount
Number of Poles	1
SVHC Present	Not Present
Voltage Rating	277V