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BA1-B2-12-620-127-D Single-pole magnetic hydraulic delay circuit breaker rated 20A at 277V. Panel mount with lever actuator, UL/CSA/CCC/VDE approved.
Mfr Part #:

BA1-B2-12-620-127-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Single-pole magnetic hydraulic delay circuit breaker rated 20A at 277V. Panel mount with lever actuator, UL/CSA/CCC/VDE approved.
Stock on Request

BA1-B2-12-620-127-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-B2-12-620-127-D Description

Short technical summary and product information.

The Littelfuse BA1-B2-12-620-127-D is a single-pole magnetic hydraulic delay circuit breaker designed for reliable overcurrent protection. It is rated for 20A continuous current at 277V AC, making it suitable for a variety of power distribution and branch circuit applications.

 

The breaker features a panel mount, snap-in installation with a lever actuator for manual reset. It has no illumination. The magnetic hydraulic delay mechanism provides precise trip characteristics and is resistant to nuisance tripping from inrush currents.

 

This component holds approvals from CCC, CSA, UL, and VDE, ensuring compliance with international safety standards. The compact 1-pole design allows for efficient use of panel space in industrial control panels, commercial equipment, and HVAC systems.

BA1-B2-12-620-127-D Quick Information

Product Type: Circuit Breaker
Canonical Name: BA1-B2-12-620-127-D Circuit Breaker
Subcategory: Magnetic Circuit Breaker

BA1-B2-12-620-127-D Compliance

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

BA1-B2-12-620-127-D Features

  • Rated 20A continuous current at 277V.
  • Magnetic hydraulic delay trip mechanism.
  • Single-pole design for branch circuit protection.
  • Panel mount with snap-in installation.
  • Lever actuator for manual reset.

BA1-B2-12-620-127-D Applications

  • Overcurrent protection for branch circuits
  • Use in panel board power distribution
  • Suitable for lighting control applications
  • Protect motor control circuits
  • Ideal for industrial equipment panels

BA1-B2-12-620-127-D FAQs

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

20A

What is the voltage rating?

277V

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, Snap-In

What is the actuator type?

Lever

Which approvals does it have?

CCC, CSA, UL, VDE

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