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AS1-B0-16-650-5D1-C This is a 50A, 277V, 1-pole magnetic hydraulic delay circuit breaker from Littelfuse. It features panel mount and lever actuator.
Mfr Part #:

AS1-B0-16-650-5D1-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
This is a 50A, 277V, 1-pole magnetic hydraulic delay circuit breaker from Littelfuse. It features panel mount and lever actuator.
Stock on Request

AS1-B0-16-650-5D1-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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AS1-B0-16-650-5D1-C Description

Short technical summary and product information.

The Littelfuse AS1-B0-16-650-5D1-C is a single-pole magnetic circuit breaker with hydraulic delay. Rated for 50A continuous current at 277V AC, it provides reliable overcurrent protection for a variety of applications.

 

The breaker uses a hydraulic-magnetic trip mechanism that offers precise, temperature-stable protection. It is designed for panel mount installation and features a lever actuator for manual reset. The unit has no illumination and is approved by CCC, CSA, and UL.

 

Typical applications include industrial control systems, power distribution, and commercial equipment where robust circuit protection is required. The compact 1-pole design saves space in panel enclosures.

AS1-B0-16-650-5D1-C Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse AS1-B0-16-650-5D1-C Magnetic Circuit Breaker
Subcategory: Magnetic Circuit Breaker

AS1-B0-16-650-5D1-C Compliance

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

AS1-B0-16-650-5D1-C Features

  • This circuit breaker uses magnetic hydraulic delay.
  • It is rated for 50A and 277V.
  • It has a single pole and lever actuator.
  • It is approved by CCC, CSA, and UL.
  • It is RoHS3 compliant with MSL 1.

AS1-B0-16-650-5D1-C Applications

  • Use in industrial power distribution panels.
  • Ideal for commercial equipment overcurrent protection.
  • Suitable for motor starter circuits requiring inrush tolerance.
  • Installs in standard panel mount cutouts.

AS1-B0-16-650-5D1-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the AS1-B0-16-650-5D1-C?

50A.

What voltage rating does this circuit breaker have?

277V.

How many poles does the Littelfuse AS1-B0-16-650-5D1-C have?

1 pole.

What type of trip mechanism does this breaker use?

Magnetic (hydraulic delay).

What approvals does this circuit breaker hold?

CCC, CSA, UL.

What is the mounting style of this circuit breaker?

Panel mount.

What type of actuator is provided?

Lever actuator.

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