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CLB-403-11A3N-B-A Thermal circuit breaker, 40A, 250V, panel mount, 1 pole, push to reset actuator. Approved to CE, cUL, TUV, UL1077, UL1500.
Mfr Part #:

CLB-403-11A3N-B-A

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Thermal circuit breaker, 40A, 250V, panel mount, 1 pole, push to reset actuator. Approved to CE, cUL, TUV, UL1077, UL1500.
Total Stock: 40 pcs

CLB-403-11A3N-B-A Available from 1 distributor

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
40 pcs
40 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request

CLB-403-11A3N-B-A 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

CLB-403-11A3N-B-A Description

Short technical summary and product information.

The CLB-403-11A3N-B-A is a single-pole thermal circuit breaker from Carling Technologies. It is rated for 40A at 250V and features a push-to-reset actuator. The breaker is designed for panel mount installation and is suitable for overcurrent protection in various applications. It carries approvals from CE, cUL, TUV, UL1077, and UL1500, ensuring compliance with international safety standards. The thermal mechanism provides reliable protection against sustained overloads. With a compact design and 1-pole configuration, it is ideal for use in power distribution, industrial equipment, and automotive systems. The panel mount design allows for easy integration into control panels and enclosures.

CLB-403-11A3N-B-A Quick Information

Product Type: Circuit Breaker
Canonical Name: CLB-403-11A3N-B-A Thermal Circuit Breaker, Panel Mount, 40A, 250V, 1 Pole, Push to Reset
Subcategory: Panel Mount Circuit Breakers

CLB-403-11A3N-B-A Compliance

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

CLB-403-11A3N-B-A Features

  • Rated for 40A at 250V operation.
  • Single-pole thermal circuit breaker.
  • Panel mount with push-to-reset actuator.
  • Approved to UL1077 and UL1500.
  • CE, cUL, TUV certified.

CLB-403-11A3N-B-A Applications

  • Provides overcurrent protection in electrical systems.
  • Suitable for panel-mounted circuit protection.
  • Used in commercial and industrial equipment.

CLB-403-11A3N-B-A FAQs

8 frequently asked questions generated from this part’s specifications.
What is the current rating of the CLB-403-11A3N-B-A?

40A.

What is the voltage rating?

250V.

What type of circuit breaker is this?

Thermal.

What mounting type does it use?

Panel mount.

What actuator type does it have?

Push to reset.

How many poles does it have?

1 pole.

What approvals does it have?

CE, cUL, TUV, UL1077, UL1500.

Is it RoHS compliant?

Yes, RoHS3 compliant (unverified).

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