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AA1-B0-12-610-122-MK Littelfuse AA1-B0-12-610-122-MK is a 1-pole magnetic hydraulic delay circuit breaker rated for 10A at 277V. It features panel mount and lever actuator.
Mfr Part #:

AA1-B0-12-610-122-MK

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse AA1-B0-12-610-122-MK is a 1-pole magnetic hydraulic delay circuit breaker rated for 10A at 277V. It features panel mount and lever actuator.
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AA1-B0-12-610-122-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
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AA1-B0-12-610-122-MK Description

Short technical summary and product information.

The Littelfuse AA1-B0-12-610-122-MK is a single-pole magnetic hydraulic delay circuit breaker designed for overcurrent protection. It is rated for 10A continuous current at 277V AC/DC. The hydraulic delay mechanism provides time-delayed tripping for inrush currents, making it suitable for motor and transformer protection. This breaker features a panel mount design with a lever actuator for manual reset. It is approved by CCC, UL489A, and VDE, ensuring compliance with international standards. The compact 1-pole construction allows for easy integration into control panels and distribution boards.

AA1-B0-12-610-122-MK Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse AA1-B0-12-610-122-MK Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Hydraulic-Magnetic Circuit Breaker

AA1-B0-12-610-122-MK Compliance

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

AA1-B0-12-610-122-MK Features

  • Rated for 10A continuous current at 277V.
  • Single-pole magnetic hydraulic delay design.
  • Panel mount with lever actuator.
  • Approved by CCC, UL489A, and VDE.
  • RoHS3 compliant.

AA1-B0-12-610-122-MK Applications

  • Used in industrial control panels for overcurrent protection.
  • Suitable for motor and transformer circuits with inrush.
  • Ideal for power distribution in commercial equipment.
  • Provides reliable circuit interruption in panel mount applications.

AA1-B0-12-610-122-MK FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AA1-B0-12-610-122-MK?

10A.

What is the voltage rating?

277V.

How many poles does this circuit breaker have?

1 pole.

What type of breaker is it?

Magnetic (Hydraulic Delay).

What is the mounting type?

Panel Mount.

What actuator type does it have?

Lever.

What approvals does it have?

CCC, UL489A, VDE.

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