BA3-A0-03-630-511-C Littelfuse BA3-A0-03-630-511-C is a 3-pole, switch-only circuit breaker rated for 30A at 277V. It features a lever actuator and panel mount design, with UL, CSA, and CCC approvals.
Mfr Part #:

BA3-A0-03-630-511-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse BA3-A0-03-630-511-C is a 3-pole, switch-only circuit breaker rated for 30A at 277V. It features a lever actuator and panel mount design, with UL, CSA, and CCC approvals.
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BA3-A0-03-630-511-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

BA3-A0-03-630-511-C Description

Short technical summary and product information.

The Littelfuse BA3-A0-03-630-511-C is a 3-pole circuit breaker rated for 30A at 277V. Designed as a switch-only breaker, it provides manual circuit isolation without overcurrent protection, making it suitable for applications where switching is the primary function.

 

The breaker features a lever actuator for manual operation and is designed for panel mounting. It carries approvals from UL, CSA, and CCC, indicating compliance with North American and Chinese safety standards. The non-illuminated design simplifies the interface for applications where visual status indication is not required.

 

This circuit breaker is part of the BA3 series from Littelfuse, a manufacturer known for circuit protection components. The 3-pole configuration allows simultaneous switching of three phases or circuits, which is common in industrial and commercial power distribution applications.

BA3-A0-03-630-511-C Quick Information

Product Type: Circuit Breaker
Series: BA3
Canonical Name: Littelfuse BA3 Series 3-Pole Panel Mount Circuit Breaker, 30A, 277V
Subcategory: Switch Only Circuit Breaker

BA3-A0-03-630-511-C Compliance

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

BA3-A0-03-630-511-C Features

  • Rated for 30A at 277V operation.
  • Three-pole configuration for multi-phase switching.
  • Lever actuator for manual circuit control.
  • Panel mount design for fixed installation.
  • UL, CSA, and CCC safety approvals.

BA3-A0-03-630-511-C Applications

  • Suitable for industrial power distribution panels.
  • Used in commercial electrical control systems.
  • Ideal for manual circuit isolation applications.
  • Common in three-phase equipment switching circuits.

BA3-A0-03-630-511-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the BA3-A0-03-630-511-C?

The current rating is 30A.

What is the voltage rating of the BA3-A0-03-630-511-C?

The voltage rating is 277V.

How many poles does the BA3-A0-03-630-511-C have?

It has 3 poles.

What type of breaker is the BA3-A0-03-630-511-C?

It is a switch-only circuit breaker.

What type of actuator does the BA3-A0-03-630-511-C use?

It uses a lever actuator.

What is the mounting type for the BA3-A0-03-630-511-C?

It is designed for panel mounting.

What approvals does the BA3-A0-03-630-511-C have?

It is approved by CCC, CSA, and UL.

BA3-A0-03-630-511-C Alternate Parts

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The Littelfuse Inc. AB3-A0-03-630-1B1-C is a 3-pole circuit breaker designed for panel mounting. It features a 30A current rating and a 277V voltage rating.
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