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AL1-A0-03-650-521-C The Littelfuse Inc. AL1-A0-03-650-521-C is a single-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism and a 50A current rating.
Mfr Part #:

AL1-A0-03-650-521-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AL1-A0-03-650-521-C is a single-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism and a 50A current rating.
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AL1-A0-03-650-521-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
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AL1-A0-03-650-521-C Description

Short technical summary and product information.

This Littelfuse Inc. AL1-A0-03-650-521-C is a magnetic hydraulic delay circuit breaker. It is rated for 50A current and 277V voltage, making it suitable for various power distribution applications.

 

The breaker features a panel mount design with a rocker actuator for easy operation. It has a single pole configuration and does not include illumination.

 

Key specifications include a 50A current rating, 277V voltage rating, and a magnetic (hydraulic delay) breaker type. The mounting type is panel mount.

 

Compliance information indicates RoHS3 compliance, MSL 1, and REACH unaffected status, though these are unverified.

AL1-A0-03-650-521-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. AL1-A0-03-650-521-C Circuit Breaker
Subcategory: Circuit Breaker

AL1-A0-03-650-521-C Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: No

AL1-A0-03-650-521-C Features

  • 50A current rating for power circuits.
  • 277V voltage rating for AC applications.
  • Panel mount design with rocker actuator.
  • Magnetic hydraulic delay for controlled tripping.
  • Single pole configuration.

AL1-A0-03-650-521-C Applications

  • Overcurrent protection for industrial control panels.
  • Branch circuit protection in commercial equipment.
  • Motor protection with hydraulic delay for inrush.
  • Used in power distribution units.
  • Suitable for lighting and HVAC systems.

AL1-A0-03-650-521-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of this circuit breaker?

The voltage rating is 277V.

What is the current rating?

The current rating is 50A.

What type of breaker is it?

It is a magnetic (hydraulic delay) circuit breaker.

How many poles does it have?

It has 1 pole.

What is the actuator type?

The actuator type is rocker.

How is this circuit breaker mounted?

It is panel mounted.

Does the breaker have illumination?

No, it has no illumination.

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