AA1-B0-21-610-1B1-C The Littelfuse AA1-B0-21-610-1B1-C is a 1-pole magnetic hydraulic delay circuit breaker rated at 10A and 277V. It features a lever actuator and panel mount design, with approvals from CCC, CSA, and UL.
Mfr Part #:

AA1-B0-21-610-1B1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse AA1-B0-21-610-1B1-C is a 1-pole magnetic hydraulic delay circuit breaker rated at 10A and 277V. It features a lever actuator and panel mount design, with approvals from CCC, CSA, and UL.
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AA1-B0-21-610-1B1-C 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

AA1-B0-21-610-1B1-C Description

Short technical summary and product information.

The Littelfuse AA1-B0-21-610-1B1-C is a single-pole magnetic hydraulic delay circuit breaker designed for overcurrent protection. It is rated for 10A continuous current and 277V AC voltage, making it suitable for branch circuit protection in various applications. The hydraulic delay mechanism provides time-delayed tripping to withstand inrush currents without nuisance tripping. The circuit breaker features a lever actuator for manual on/off control and is panel mounted. It is approved by CCC, CSA, and UL, ensuring compliance with international safety standards. The breaker has no illumination. Typical applications include power distribution, industrial control panels, and equipment protection where reliable overcurrent protection is required.

AA1-B0-21-610-1B1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Circuit Breaker, Magnetic (Hydraulic Delay), 10A, 277V, 1 Pole, Panel Mount, Lever Actuator
Subcategory: Magnetic (Hydraulic Delay) Circuit Breakers

AA1-B0-21-610-1B1-C Compliance

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

AA1-B0-21-610-1B1-C Features

  • 10A rated current for branch circuit protection.
  • 277V AC voltage rating.
  • Single-pole magnetic hydraulic delay design.
  • Panel mount with lever actuator.
  • CCC, CSA, UL approved.

AA1-B0-21-610-1B1-C Applications

  • Ideal for power distribution panels.
  • Suitable for industrial control equipment.
  • Used in commercial lighting circuits.
  • Provides overcurrent protection in HVAC systems.

AA1-B0-21-610-1B1-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the AA1-B0-21-610-1B1-C?

The voltage rating is 277V.

What is the current rating of this circuit breaker?

The current rating is 10A.

How many poles does the AA1-B0-21-610-1B1-C have?

It has 1 pole.

What type of breaker is the AA1-B0-21-610-1B1-C?

It is a magnetic (hydraulic delay) circuit breaker.

What actuator type does this circuit breaker use?

It uses a lever actuator.

What mounting type is available for this breaker?

Panel mount.

What approvals does the AA1-B0-21-610-1B1-C have?

It is approved by CCC, CSA, and UL.

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