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AA1-B0-34-620-911-Q The AA1-B0-34-620-911-Q is a 1-pole magnetic (hydraulic delay) circuit breaker from Littelfuse, rated for 20A at 250V. It features a lever actuator and panel mount design.
Mfr Part #:

AA1-B0-34-620-911-Q

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The AA1-B0-34-620-911-Q is a 1-pole magnetic (hydraulic delay) circuit breaker from Littelfuse, rated for 20A at 250V. It features a lever actuator and panel mount design.
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AA1-B0-34-620-911-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-B0-34-620-911-Q Description

Short technical summary and product information.

The AA1-B0-34-620-911-Q is a single-pole magnetic circuit breaker with hydraulic delay from Littelfuse. It is rated for 20A continuous current at 250V AC/DC. The magnetic hydraulic delay mechanism provides precise overcurrent protection with time-delay characteristics suitable for handling inrush currents. The breaker features a lever actuator for manual reset and is designed for panel mount installation. It carries approvals from CCC, CSA, UL1077, and UL1500, making it suitable for a variety of industrial and commercial applications. The non-illuminated actuator simplifies operation. This circuit breaker is RoHS3 compliant and has an MSL of 1 (unlimited).

AA1-B0-34-620-911-Q Quick Information

Product Type: Circuit Breaker
Canonical Name: AA1-B0-34-620-911-Q Circuit Breaker, Magnetic (Hydraulic Delay), 20A, 250V, 1 Pole, Panel Mount, Lever Actuator
Subcategory: Magnetic Circuit Breaker

AA1-B0-34-620-911-Q Compliance

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

AA1-B0-34-620-911-Q Features

  • Rated for 20A at 250V operation.
  • Single-pole magnetic hydraulic delay breaker.
  • Panel mount with lever actuator.
  • Approved by UL1077 and UL1500.
  • RoHS3 compliant with MSL 1.

AA1-B0-34-620-911-Q Applications

  • Used in industrial control panels.
  • Suitable for marine ignition protection.
  • Protects branch circuits in equipment.
  • Handles inrush currents with time delay.

AA1-B0-34-620-911-Q FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the AA1-B0-34-620-911-Q?

250V.

What is the current rating?

20A.

How many poles does this circuit breaker have?

1 pole.

What type of breaker is it?

Magnetic (Hydraulic Delay).

What is the actuator type?

Lever.

What mounting type does it use?

Panel mount.

What approvals does it have?

CCC, CSA, UL1077, UL1500.

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