BA1-B0-34-620-311-D The Littelfuse Inc. BA1-B0-34-620-311-D is a single-pole, magnetic hydraulic delay circuit breaker. It features a 20A current rating and a 277VAC/80VDC voltage rating.
Mfr Part #:

BA1-B0-34-620-311-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. BA1-B0-34-620-311-D is a single-pole, magnetic hydraulic delay circuit breaker. It features a 20A current rating and a 277VAC/80VDC voltage rating.
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BA1-B0-34-620-311-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-B0-34-620-311-D Description

Short technical summary and product information.

This Littelfuse Inc. BA1-B0-34-620-311-D is a single-pole circuit breaker designed for panel mounting. It offers a current rating of 20A and a voltage rating of 277VAC or 80VDC.

 

The breaker type is magnetic with a hydraulic delay, providing reliable protection. It features a lever actuator and is approved by CSA, UL, and VDE.

 

Environmental compliance includes RoHS3 compliance, MSL 1, and REACH unaffected status. This component is suitable for applications requiring robust circuit protection with specific electrical and mounting requirements.

BA1-B0-34-620-311-D Quick Information

Product Type: Circuit Breaker
Series: BA1
Canonical Name: Littelfuse Inc. BA1-B0-34-620-311-D Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay)

BA1-B0-34-620-311-D Compliance

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

BA1-B0-34-620-311-D Features

  • 20A current rating for protection.
  • 277VAC/80VDC voltage capability.
  • Single pole magnetic hydraulic delay.
  • Panel mount design for easy installation.
  • CSA, UL, VDE approved.

BA1-B0-34-620-311-D Applications

  • Overcurrent protection for industrial control panels.
  • Protection for power distribution circuits.
  • Used in HVAC and refrigeration equipment.
  • Suitable for telecommunications power systems.
  • Ideal for marine and RV electrical systems.

BA1-B0-34-620-311-D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the BA1-B0-34-620-311-D?

The BA1-B0-34-620-311-D is rated for 20A.

What voltage ratings does this circuit breaker support?

It is rated for 277VAC and 80VDC.

What type of breaker mechanism does the BA1-B0-34-620-311-D use?

It uses a magnetic hydraulic delay mechanism.

How many poles does this circuit breaker have?

It is a single-pole (1-pole) circuit breaker.

What is the actuator type on this breaker?

It has a lever actuator.

What mounting style does the BA1-B0-34-620-311-D use?

It is designed for panel mount installation.

What safety agency approvals does this circuit breaker have?

It is approved by CSA, UL, and VDE.

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