AT1-B2-11-610-521-MK The Littelfuse Inc. AT1-B2-11-610-521-MK is a magnetic (hydraulic delay) circuit breaker with a 10A current rating and 277V AC voltage rating. It is designed for panel mounting.
Mfr Part #:

AT1-B2-11-610-521-MK

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. AT1-B2-11-610-521-MK is a magnetic (hydraulic delay) circuit breaker with a 10A current rating and 277V AC voltage rating. It is designed for panel mounting.
Stock on Request
$ Price Range: $0.99

AT1-B2-11-610-521-MK 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

AT1-B2-11-610-521-MK Description

Short technical summary and product information.

This circuit breaker from Littelfuse Inc., model AT1-B2-11-610-521-MK, is a magnetic (hydraulic delay) type designed for reliable circuit protection. It features a 10A current rating and can handle up to 277V AC and 65V DC.

 

The breaker is designed for panel mounting, offering a secure and accessible installation point. It has a single pole configuration and a lever actuator for easy operation. Approval agencies include CCC, UL489A, and VDE, indicating compliance with various safety standards.

 

Key electrical specifications include a 10A current rating and voltage ratings of 277V AC and 65V DC. The magnetic (hydraulic delay) mechanism provides robust protection against overcurrents. Its panel mount design makes it suitable for integration into various electrical enclosures and control panels.

AT1-B2-11-610-521-MK Quick Information

Product Type: Circuit Breaker
Series: A
Canonical Name: Carling Technologies AT1-B2-11-610-521-MK Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay)

AT1-B2-11-610-521-MK Compliance

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

AT1-B2-11-610-521-MK Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

AT1-B2-11-610-521-MK Features

  • 10A current rating for circuit protection.
  • 277V AC and 65V DC voltage capacity.
  • Magnetic (hydraulic delay) breaker type.
  • Panel mount design for easy installation.
  • Approved by CCC, UL489A, and VDE.

AT1-B2-11-610-521-MK Applications

  • Suitable for general circuit protection.
  • Used in control panel assemblies.
  • Ideal for equipment requiring overcurrent protection.
  • Designed for industrial applications.

AT1-B2-11-610-521-MK FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the AT1-B2-11-610-521-MK circuit breaker?

The current rating is 10A.

What is the AC voltage rating for this circuit breaker?

The AC voltage rating is 277V.

What is the DC voltage rating for this circuit breaker?

The DC voltage rating is 65V.

How is the AT1-B2-11-610-521-MK circuit breaker mounted?

It is designed for panel mounting.

What type of breaker mechanism does the AT1-B2-11-610-521-MK use?

It uses a Magnetic (Hydraulic Delay) mechanism.

What approval agencies are listed for this circuit breaker?

The approval agencies are CCC, UL489A, and VDE.

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