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CLB-203-11A1N-W-A/20 Littelfuse CLB-203-11A1N-W-A/20 is a single-pole thermal circuit breaker rated at 20A and 250V, featuring a push-to-reset actuator and panel mount design.
Mfr Part #:

CLB-203-11A1N-W-A/20

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse CLB-203-11A1N-W-A/20 is a single-pole thermal circuit breaker rated at 20A and 250V, featuring a push-to-reset actuator and panel mount design.
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CLB-203-11A1N-W-A/20 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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CLB-203-11A1N-W-A/20 Description

Short technical summary and product information.

The Littelfuse CLB-203-11A1N-W-A/20 is a thermal circuit breaker designed for overcurrent protection in a variety of applications. With a current rating of 20A and a voltage rating of 250V, this single-pole breaker uses a thermal mechanism to trip when overload conditions occur. The push-to-reset actuator allows for manual reset after a trip event. The breaker is panel mounted, making it suitable for use in control panels, power distribution units, and equipment requiring reliable circuit protection. It is approved by CE, cUL, TUV, UL1077, and UL1500, ensuring compliance with international safety standards.

CLB-203-11A1N-W-A/20 Quick Information

Product Type: Circuit Breaker
Series: CLB-203
Canonical Name: CLB-203-11A1N-W-A/20 | Littelfuse Thermal Circuit Breaker, 20A, 250V, 1 Pole, Panel Mount, Push to Reset
Subcategory: Single Pole Thermal Breakers

CLB-203-11A1N-W-A/20 Compliance

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

CLB-203-11A1N-W-A/20 Features

  • Rated for 20A continuous current at 250V.
  • Single-pole thermal circuit breaker design.
  • Push-to-reset actuator for manual reset.
  • Panel mount installation for control panels.
  • Approved by CE, cUL, TUV, UL1077, UL1500.

CLB-203-11A1N-W-A/20 Applications

  • Used in power distribution and control panels.
  • Suitable for overcurrent protection in equipment.
  • Ideal for marine applications per UL1500.
  • Employed in industrial machinery and automation.
  • Supports 250V AC/DC circuits.

CLB-203-11A1N-W-A/20 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the CLB-203-11A1N-W-A/20?

250V.

What is the current rating of this circuit breaker?

20A.

What type of circuit breaker is this?

Thermal.

How many poles does this breaker have?

1 pole.

What is the actuator type?

Push to Reset.

What mounting type is used?

Panel Mount.

What approvals does this breaker have?

CE, cUL, TUV, UL1077, UL1500.

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