AA1-B0-12-630-321-MK The Littelfuse Inc. AA1-B0-12-630-321-MK is a 1-pole circuit breaker designed for panel mounting. It features a magnetic (hydraulic delay) trip mechanism with a 30A current rating and a 277V voltage rating.
Mfr Part #:

AA1-B0-12-630-321-MK

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AA1-B0-12-630-321-MK is a 1-pole circuit breaker designed for panel mounting. It features a magnetic (hydraulic delay) trip mechanism with a 30A current rating and a 277V voltage rating.
Stock on Request
$ Price Range: $0.99

AA1-B0-12-630-321-MK 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
Storage Temperature
Tape & Reel
Voltage Rating

AA1-B0-12-630-321-MK Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number AA1-B0-12-630-321-MK, is a single-pole device suitable for panel mounting. It operates with a magnetic (hydraulic delay) tripping mechanism, providing protection with a current rating of 30A and a voltage rating of 277V.

 

The breaker is approved by CCC, UL489A, and VDE agencies. It features a lever actuator and does not include illumination. The component is designed for reliable circuit protection in various applications.

 

Environmental compliance includes RoHS3 compliance, Moisture Sensitivity Level 1, and REACH unaffected status. These attributes indicate adherence to industry standards for material and environmental safety.

AA1-B0-12-630-321-MK Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AA1-B0-12-630-321-MK Circuit Breaker

AA1-B0-12-630-321-MK Compliance

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

AA1-B0-12-630-321-MK Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

AA1-B0-12-630-321-MK Features

  • 30A current rating for protection.
  • 277V voltage rating.
  • Panel mount design.
  • Magnetic (hydraulic delay) breaker type.
  • Lever actuator.

AA1-B0-12-630-321-MK Applications

  • Suitable for panel mount installations.
  • Used in electrical distribution systems.
  • Provides overcurrent protection.
  • Designed for industrial applications.

AA1-B0-12-630-321-MK FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-12-630-321-MK circuit breaker?

The current rating is 30A.

What is the voltage rating for this circuit breaker?

The voltage rating is 277V.

What type of breaker mechanism does the AA1-B0-12-630-321-MK use?

It uses a Magnetic (Hydraulic Delay) breaker type.

How many poles does this circuit breaker have?

This is a 1-pole circuit breaker.

What is the mounting type for this circuit breaker?

The mounting type is Panel Mount.

Which approval agencies have certified this circuit breaker?

It is approved by CCC, UL489A, and VDE.

AA1-B0-12-630-321-MK Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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BA1-B2-12-630-B22-MK
BA1-B2-12-630-B22-MK
Littelfuse Inc.
The Littelfuse Inc. BA1-B2-12-630-B22-MK is a magnetic (hydraulic delay) circuit breaker. It features a 30A current rating and a 277V voltage rating.
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