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AA1-B0-14-640-HA2-Q The Littelfuse Inc. AA1-B0-14-640-HA2-Q is a single-pole, panel-mount circuit breaker. It features a 40A current rating and a 277V voltage rating.
Mfr Part #:

AA1-B0-14-640-HA2-Q

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-14-640-HA2-Q is a single-pole, panel-mount circuit breaker. It features a 40A current rating and a 277V voltage rating.
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AA1-B0-14-640-HA2-Q 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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AA1-B0-14-640-HA2-Q Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number AA1-B0-14-640-HA2-Q, is designed for panel mounting. It operates as a magnetic hydraulic delay type with a single pole configuration.

 

The breaker has a current rating of 40A and a voltage rating of 277V. It features a lever actuator and no illumination. Approval agencies include CCC, CSA, UL1077, and UL1500.

 

Compliance information indicates RoHS3 compliance, MSL 1 Unlimited, and REACH unaffected status. The part is also identified by DK Part Number 432-AA1-B0-14-640-HA2-Q-ND.

AA1-B0-14-640-HA2-Q Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA1-B0-14-640-HA2-Q Circuit Breaker

AA1-B0-14-640-HA2-Q Compliance

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

AA1-B0-14-640-HA2-Q Features

  • 40A current rating for power circuits.
  • 277V voltage rating for AC applications.
  • Panel mount design for easy integration.
  • Magnetic hydraulic delay breaker type.
  • Single pole configuration.

AA1-B0-14-640-HA2-Q Applications

  • Used in power distribution panels for protection.
  • Ideal for industrial control equipment protection.
  • Suitable for branch circuit overcurrent protection.
  • Can be used in equipment enclosures for safety.
  • Applicable in AC circuits up to 277V.

AA1-B0-14-640-HA2-Q FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-14-640-HA2-Q?

40A.

What is the voltage rating of the AA1-B0-14-640-HA2-Q?

277V.

How many poles does the AA1-B0-14-640-HA2-Q have?

1 pole.

What type of circuit breaker is the AA1-B0-14-640-HA2-Q?

Magnetic (Hydraulic Delay).

What type of actuator does the AA1-B0-14-640-HA2-Q use?

Lever actuator.

What is the mounting type of the AA1-B0-14-640-HA2-Q?

Panel mount.

Is the AA1-B0-14-640-HA2-Q illuminated?

No, it is not illuminated.

AA1-B0-14-640-HA2-Q Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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AA1-B0-14-640-5B1-I
AA1-B0-14-640-5B1-I
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-14-640-5B1-I is a 1-pole circuit breaker designed for panel mounting. It features a 40A current rating and a 277V voltage rating.
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