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AA1-B0-34-640-521-P The Littelfuse Inc. AA1-B0-34-640-521-P is a single-pole, magnetic hydraulic delay circuit breaker rated for 40A and 250V. It features a panel mount design with a lever actuator.
Mfr Part #:

AA1-B0-34-640-521-P

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-34-640-521-P is a single-pole, magnetic hydraulic delay circuit breaker rated for 40A and 250V. It features a panel mount design with a lever actuator.
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AA1-B0-34-640-521-P 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
SVHC Present
Voltage Rating
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AA1-B0-34-640-521-P Description

Short technical summary and product information.

The Littelfuse Inc. AA1-B0-34-640-521-P is a single-pole circuit breaker designed for general purpose and full amp load applications. It operates with a magnetic hydraulic delay mechanism, providing precise operation.

 

Key electrical specifications include a current rating of 40A and a voltage rating of 250V. The breaker features a lever actuator for operation and is designed for panel mounting. It is approved by CCC, CSA, TUV, and UL.

 

This circuit breaker is RoHS3 compliant and has an MSL rating of 1. The compact size and reliable performance make it suitable for various applications requiring overcurrent protection.

AA1-B0-34-640-521-P Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA1-B0-34-640-521-P Circuit Breaker
Subcategory: Circuit Breaker

AA1-B0-34-640-521-P Compliance

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

AA1-B0-34-640-521-P Features

  • 40A current rating for robust protection.
  • 250V voltage rating suitable for many systems.
  • Magnetic hydraulic delay for precise operation.
  • Panel mount design with lever actuator.
  • Approved by CCC, CSA, TUV, and UL.

AA1-B0-34-640-521-P Applications

  • General purpose load protection.
  • Full amp load applications.
  • Control panel integration.
  • Industrial equipment power.
  • Automation systems.

AA1-B0-34-640-521-P FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the AA1-B0-34-640-521-P?

250V.

What is the current rating of this circuit breaker?

40A.

What type of circuit breaker is the AA1-B0-34-640-521-P?

Magnetic (Hydraulic Delay).

How many poles does this circuit breaker have?

1 pole.

What is the mounting type for this circuit breaker?

Panel Mount.

What approvals does the AA1-B0-34-640-521-P carry?

CCC, CSA, TUV, UL.

What is the actuator type on this circuit breaker?

Lever.

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BA1-B0-34-640-521-E
BA1-B0-34-640-521-E
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The Littelfuse Inc. BA1-B0-34-640-521-E is a 1-pole circuit breaker rated for 40A and 250V. It features a magnetic (hydraulic delay) trip mechanism and a lever actuator.
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The Littelfuse Inc. CA1-B0-24-640-121-E is a single-pole magnetic hydraulic delay circuit breaker. It offers a 40A current rating and a 250V voltage rating.
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