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CMB-203-27GNN-W-J/20 The Littelfuse CMB-203-27GNN-W-J/20 is a 20A, 250V thermal circuit breaker with 1-pole and push-to-reset actuator. It is panel mount and approved to CE, cUL, TUV, UL1077, and UL1500.
Mfr Part #:

CMB-203-27GNN-W-J/20

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse CMB-203-27GNN-W-J/20 is a 20A, 250V thermal circuit breaker with 1-pole and push-to-reset actuator. It is panel mount and approved to CE, cUL, TUV, UL1077, and UL1500.
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CMB-203-27GNN-W-J/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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CMB-203-27GNN-W-J/20 Description

Short technical summary and product information.

The Littelfuse CMB-203-27GNN-W-J/20 is a thermal circuit breaker designed for overcurrent protection. It is rated for 20A at 250V and features a single-pole configuration with a push-to-reset actuator. The breaker is non-illuminated and panel mounted. It is approved by CE, cUL, TUV, UL1077, and UL1500, making it suitable for a variety of industrial and commercial applications. The device is RoHS3 compliant and has an MSL of 1 (unlimited). Its compact design simplifies installation in control panels and equipment. The thermal mechanism provides reliable protection against sustained overloads.

CMB-203-27GNN-W-J/20 Quick Information

Product Type: Circuit Breaker
Series: CMB-203
Canonical Name: Littelfuse CMB-203-27GNN-W-J/20 Thermal Circuit Breaker, 20A, 250V, 1-Pole, Panel Mount
Subcategory: Panel Mount Circuit Breakers

CMB-203-27GNN-W-J/20 Compliance

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

CMB-203-27GNN-W-J/20 Features

  • Rated for 20A at 250V AC/DC.
  • Single-pole thermal circuit breaker.
  • Panel mount with push-to-reset actuator.
  • Approved by CE, cUL, TUV, UL1077, UL1500.
  • RoHS3 compliant with MSL 1.

CMB-203-27GNN-W-J/20 Applications

  • Overcurrent protection in control panels.
  • Used in industrial automation equipment.
  • Suitable for power distribution systems.
  • Ideal for marine and automotive applications.

CMB-203-27GNN-W-J/20 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the CMB-203-27GNN-W-J/20?

20A.

What is the voltage rating of the CMB-203-27GNN-W-J/20?

250V.

What type of circuit breaker is the CMB-203-27GNN-W-J/20?

Thermal.

How many poles does the CMB-203-27GNN-W-J/20 have?

1.

What is the actuator type of the CMB-203-27GNN-W-J/20?

Push to Reset.

What mounting type does the CMB-203-27GNN-W-J/20 use?

Panel Mount.

What agency approvals does the CMB-203-27GNN-W-J/20 have?

CE, cUL, TUV, UL1077, UL1500.

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