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BA1-B0-14-640-512-D The Littelfuse BA1-B0-14-640-512-D is a 40A, 277V, 1-pole magnetic hydraulic delay circuit breaker with lever actuator and panel mount. It is approved by CCC, CSA, UL, and VDE.
Mfr Part #:

BA1-B0-14-640-512-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse BA1-B0-14-640-512-D is a 40A, 277V, 1-pole magnetic hydraulic delay circuit breaker with lever actuator and panel mount. It is approved by CCC, CSA, UL, and VDE.
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BA1-B0-14-640-512-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-B0-14-640-512-D Description

Short technical summary and product information.

The Littelfuse BA1-B0-14-640-512-D is a single-pole magnetic hydraulic delay circuit breaker rated for 40A at 277V. It features a lever actuator and is designed for panel mount installation. This circuit breaker utilizes a hydraulic-magnetic trip mechanism, providing precise overcurrent protection with time delay characteristics. It is approved by major agencies including CCC, CSA, UL, and VDE, making it suitable for a wide range of industrial and commercial applications. The non-illuminated design and robust construction ensure reliable performance in demanding environments.

BA1-B0-14-640-512-D Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse BA1-B0-14-640-512-D 40A 277V 1-Pole Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Magnetic Hydraulic Delay Circuit Breaker

BA1-B0-14-640-512-D Compliance

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

BA1-B0-14-640-512-D Features

  • Rated for 40A continuous current at 277V.
  • Single-pole magnetic hydraulic delay design.
  • Panel mount with lever actuator.
  • Approved by CCC, CSA, UL, and VDE.
  • Non-illuminated actuator for simple operation.

BA1-B0-14-640-512-D Applications

  • Used in industrial power distribution panels.
  • Ideal for commercial lighting and HVAC systems.
  • Suitable for motor branch circuit protection.
  • Applied in control panels and machinery.

BA1-B0-14-640-512-D FAQs

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

277V.

What is the current rating?

40A.

How many poles does it have?

1 pole.

What type of breaker is this?

Magnetic (Hydraulic Delay).

What is the actuator type?

Lever.

What is the mounting type?

Panel mount.

What approvals does it have?

CCC, CSA, UL, VDE.

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This Littelfuse Inc. circuit breaker, part number BA1-B0-14-640-M22-D, offers a 40A current rating and 277V voltage rating. It features a panel mount design and a magnetic hydraulic delay mechanism.
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