Mfr Part #:

BA1-B0-12-620-112-D

The BA1-B0-12-620-112-D is a 20A, 277V, 1-pole magnetic circuit breaker from Littelfuse. It features a hydraulic delay mechanism and panel mount lever actuator.

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BA1-B0-12-620-112-D Description

Short technical summary and product information.

The Littelfuse BA1-B0-12-620-112-D is a single-pole magnetic circuit breaker with hydraulic delay designed for overcurrent protection. It is rated at 20A continuous current and 277V AC, making it suitable for branch circuit and equipment protection in various electrical systems.

This circuit breaker utilizes a hydraulic-magnetic trip mechanism, which provides precise, temperature-stable overcurrent protection. The lever actuator offers clear visual indication and manual reset capability. The panel mount design allows for straightforward installation in control panels, distribution boards, and industrial equipment enclosures.

The BA1-B0-12-620-112-D carries multiple safety approvals including CCC, CSA, UL, and VDE, confirming its compliance with international standards. It is a non-illuminated unit, suitable for applications where visual indication from the actuator is not required.

BA1-B0-12-620-112-D Quick Information

Product Type: Circuit Breaker

Series: BA1

Canonical Name: BA1-B0-12-620-112-D 20A 277V 1-Pole Magnetic (Hydraulic Delay) Circuit Breaker

Subcategory: Hydraulic-Magnetic Circuit Breakers

BA1-B0-12-620-112-D Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

BA1-B0-12-620-112-D Features

20A 277V current and voltage rating.
Single-pole magnetic circuit breaker.
Hydraulic delay overcurrent protection.
Panel mount lever actuator design.
CCC, CSA, UL, VDE approved.

BA1-B0-12-620-112-D Applications

Overcurrent protection for industrial control panels.
Branch circuit protection in power distribution.
Motor circuit protection in HVAC equipment.
Lighting circuit protection in commercial buildings.

BA1-B0-12-620-112-D FAQs

7 frequently asked questions generated from this part’s specifications.

What is the current rating of the BA1-B0-12-620-112-D?

20A.

What is the voltage rating?

277V.

How many poles does this circuit breaker have?

1 pole.

What type of circuit breaker is this?

Magnetic (Hydraulic Delay).

What is the mounting type?

Panel mount.

What actuator type does it use?

Lever.

What approvals does this circuit breaker hold?

CCC, CSA, UL, VDE.

BA1-B0-12-620-112-D Alternate Parts

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

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BA1-B2-11-620-112-D

Littelfuse Inc.

The Littelfuse Inc. BA1-B2-11-620-112-D is a magnetic hydraulic delay circuit breaker. It offers a 20A current rating and a 277V voltage rating.

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