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BA1-B2-21-620-1D2-C The Littelfuse Inc. BA1-B2-21-620-1D2-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a 20A current rating and a 277V voltage rating.
Mfr Part #:

BA1-B2-21-620-1D2-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. BA1-B2-21-620-1D2-C is a single-pole, magnetic hydraulic delay circuit breaker. It features a 20A current rating and a 277V voltage rating.
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BA1-B2-21-620-1D2-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
Voltage Rating
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BA1-B2-21-620-1D2-C Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number BA1-B2-21-620-1D2-C, is designed for reliable circuit protection. It operates with a 20A current rating and a 277V voltage rating, suitable for various electrical applications.

 

The breaker type is magnetic with a hydraulic delay, offering specific trip characteristics. It features a simple lever actuator and a panel mount design for easy integration into control panels and equipment. The unit has one pole and no illumination.

 

Compliance includes RoHS3 status, MSL 1, and REACH unaffected. Approval agencies for this component are CCC, CSA, and UL, indicating adherence to safety standards.

BA1-B2-21-620-1D2-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. BA1-B2-21-620-1D2-C Circuit Breaker
Subcategory: Circuit Breaker

BA1-B2-21-620-1D2-C Compliance

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

BA1-B2-21-620-1D2-C Features

  • 20A current rating for protection.
  • 277V voltage rating for power systems.
  • Magnetic hydraulic delay breaker type.
  • Single pole, lever actuator design.
  • Panel mount for easy installation.

BA1-B2-21-620-1D2-C Applications

  • Overcurrent protection in industrial control panels.
  • Branch circuit protection in commercial equipment.
  • Power distribution in HVAC and lighting systems.
  • Motor and transformer protection with inrush tolerance.

BA1-B2-21-620-1D2-C 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.

What type of breaker is this?

Magnetic hydraulic delay circuit breaker.

How many poles does it have?

1 pole.

What is the actuator type?

Lever actuator.

What mounting type does it use?

Panel mount.

What safety approvals does it carry?

CCC, CSA, and UL.

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