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CS1-B0-14-640-A21-MG The Littelfuse Inc. CS1-B0-14-640-A21-MG is a magnetic (hydraulic delay) circuit breaker. It is rated for 40A and 480V AC.
Mfr Part #:

CS1-B0-14-640-A21-MG

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. CS1-B0-14-640-A21-MG is a magnetic (hydraulic delay) circuit breaker. It is rated for 40A and 480V AC.
Stock on Request
$ Price Range: $0.99

CS1-B0-14-640-A21-MG 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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CS1-B0-14-640-A21-MG Description

Short technical summary and product information.

This Littelfuse Inc. CS1-B0-14-640-A21-MG is a single-pole circuit breaker designed for panel mounting. It features a magnetic (hydraulic delay) mechanism for reliable operation.

 

The breaker has a current rating of 40A and a voltage rating of 480V AC. It is approved by CCC, CSA, and UL489, indicating compliance with relevant safety standards.

 

The actuator type is a lever, providing a clear visual indication of the breaker's state. The RoHS status is listed as RoHS3 Compliant, and the Moisture Sensitivity Level (MSL) is 1.

CS1-B0-14-640-A21-MG Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. CS1-B0-14-640-A21-MG Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay)

CS1-B0-14-640-A21-MG Compliance

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

CS1-B0-14-640-A21-MG Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

CS1-B0-14-640-A21-MG Features

  • 40A current rating for protection.
  • 480V AC voltage rating.
  • Magnetic (hydraulic delay) breaker type.
  • Panel mount for easy installation.
  • Lever actuator for clear status indication.

CS1-B0-14-640-A21-MG Applications

  • Protects motor branch circuits from overloads.
  • Safeguards industrial control panel distributions.
  • Prevents damage in transformer energization cycles.
  • Provides phase protection in three-phase systems.
  • Mounts securely in standard electrical enclosures.

CS1-B0-14-640-A21-MG FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the CS1-B0-14-640-A21-MG?

40A

What is the voltage rating for this circuit breaker?

480V

How many poles does the CS1-B0-14-640-A21-MG have?

1 pole

What type of actuator does this breaker use?

Lever

What mounting method is required for installation?

Panel mount

What safety certifications does this component hold?

CCC, CSA, and UL489

What trip mechanism is used in this breaker?

Magnetic hydraulic delay

CS1-B0-14-640-A21-MG Alternate Parts

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The Littelfuse Inc. CA1-B0-12-640-6D2-MG is a C-Series hydraulic-magnetic circuit breaker. It offers a 40A current rating and a 480V voltage rating.
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CA1-B0-16-640-121-MG
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This Littelfuse circuit breaker is rated for 40A at 480V with a single pole and magnetic hydraulic delay trip mechanism. It features a lever actuator and panel mount installation.
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CA1-B2-12-640-321-MG
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CA1-B2-12-640-321-MG is a 40A 480V 1-pole magnetic (hydraulic delay) circuit breaker from Littelfuse. It features a lever actuator and panel mount design.
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CA1-B0-14-640-121-MG
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The CA1-B0-14-640-121-MG is a circuit breaker from Littelfuse Inc. with a current rating of 40A and voltage rating of 480V. It features a lever actuator and is suitable for panel mounting.
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