CB2-B0-42-620-321-H The CB2-B0-42-620-321-H is a circuit breaker manufactured by Littelfuse Inc. with a 20A current rating and 277V voltage rating. It features a lever actuator and is suitable for panel mounting.
Mfr Part #:

CB2-B0-42-620-321-H

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The CB2-B0-42-620-321-H is a circuit breaker manufactured by Littelfuse Inc. with a 20A current rating and 277V voltage rating. It features a lever actuator and is suitable for panel mounting.
Stock on Request
$ Price Range: $0.99

CB2-B0-42-620-321-H 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
Storage Temperature
Tape & Reel
Voltage Rating

CB2-B0-42-620-321-H Description

Short technical summary and product information.

The CB2-B0-42-620-321-H is a circuit breaker designed for electrical protection applications. Manufactured by Littelfuse Inc., it has a current rating of 20A and a voltage rating of 277V. The breaker employs a magnetic (hydraulic delay) mechanism and features a lever actuator for manual operation. It is approved by CCC, CSA, UL489, and VDE agencies, ensuring compliance with international safety standards. The device is RoHS3 compliant, indicating it meets environmental regulations, and has a moisture sensitivity level of 1 Unlimited, suitable for various environmental conditions. Its panel mount design allows easy installation in control panels and electrical enclosures.

CB2-B0-42-620-321-H Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. CB2-B0-42-620-321-H Circuit Breaker

CB2-B0-42-620-321-H Compliance

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

CB2-B0-42-620-321-H Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

CB2-B0-42-620-321-H Features

  • Rated for 20A current
  • Voltage rating of 277V
  • Magnetic (Hydraulic Delay) type
  • Lever actuator for manual operation
  • Panel mount design

CB2-B0-42-620-321-H Applications

  • Used in electrical distribution panels
  • Provides overcurrent protection
  • Suitable for industrial control systems
  • Installed in control cabinets

CB2-B0-42-620-321-H FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the circuit breaker?

The current rating is 20A.

What is the voltage rating of the breaker?

The voltage rating is 277V.

What approval agencies have certified this circuit breaker?

It is approved by CCC, CSA, UL489, and VDE.

Is this circuit breaker RoHS compliant?

Yes, it is RoHS3 compliant.

What is the moisture sensitivity level of this device?

The moisture sensitivity level is Level 1 Unlimited.

What is the mounting type for this circuit breaker?

It is designed for panel mounting.

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