AD1-B0-12-645-M33-MK The Littelfuse Inc. AD1-B0-12-645-M33-MK is a single-pole, magnetic hydraulic delay circuit breaker. It features a 45A current rating and a 277V voltage rating.
Mfr Part #:

AD1-B0-12-645-M33-MK

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AD1-B0-12-645-M33-MK is a single-pole, magnetic hydraulic delay circuit breaker. It features a 45A current rating and a 277V voltage rating.
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AD1-B0-12-645-M33-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
Voltage Rating

AD1-B0-12-645-M33-MK Description

Short technical summary and product information.

This Littelfuse Inc. AD1-B0-12-645-M33-MK is a single-pole circuit breaker designed for panel mounting. It utilizes a magnetic hydraulic delay mechanism for reliable operation.

 

Key electrical specifications include a current rating of 45A and a voltage rating of 277V. The actuator type is a rocker, and it does not feature illumination. Approval agencies include CCC, UL489A, and VDE.

 

This circuit breaker is RoHS3 compliant, has an MSL of 1, and is REACH unaffected. Its mounting type is panel mount, making it suitable for various industrial and commercial applications requiring robust circuit protection.

AD1-B0-12-645-M33-MK Quick Information

Product Type: Circuit Breaker
Series: AD1
Canonical Name: Littelfuse Inc. AD1-B0-12-645-M33-MK Circuit Breaker

AD1-B0-12-645-M33-MK Compliance

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

AD1-B0-12-645-M33-MK Features

  • 45A current rating for power circuits.
  • 277V voltage rating for AC applications.
  • Single pole magnetic hydraulic delay.
  • Panel mount with rocker actuator.
  • CCC, UL489A, VDE approved.

AD1-B0-12-645-M33-MK Applications

  • Used in industrial control panels.
  • Suitable for power distribution.
  • Applicable in commercial equipment.
  • Provides overcurrent protection.

AD1-B0-12-645-M33-MK FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AD1-B0-12-645-M33-MK?

The current rating is 45A.

What is the voltage rating of this circuit breaker?

The voltage rating is 277V.

What type of breaker is the AD1-B0-12-645-M33-MK?

It is a magnetic hydraulic delay circuit breaker.

How many poles does this circuit breaker have?

It has 1 pole.

What type of actuator does this breaker use?

It uses a rocker actuator.

What mounting type is this circuit breaker?

It is panel mount.

What safety approvals does this part have?

It is approved by CCC, UL489A, and VDE.

AD1-B0-12-645-M33-MK Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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AD1-B0-12-645-H33-MK
AD1-B0-12-645-H33-MK
Littelfuse Inc.
The Littelfuse Inc. AD1-B0-12-645-H33-MK is a single-pole, magnetic hydraulic delay circuit breaker. It features a panel mount design and a rocker actuator.
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