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CA1-B0-20-440-121-C CA1-B0-20-440-121-C is a 1-pole magnetic (hydraulic delay) circuit breaker from Littelfuse. It is rated for 4A at 480V and features a lever actuator.
Mfr Part #:

CA1-B0-20-440-121-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
CA1-B0-20-440-121-C is a 1-pole magnetic (hydraulic delay) circuit breaker from Littelfuse. It is rated for 4A at 480V and features a lever actuator.
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CA1-B0-20-440-121-C 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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CA1-B0-20-440-121-C Description

Short technical summary and product information.

The CA1-B0-20-440-121-C is a 1-pole magnetic (hydraulic delay) circuit breaker manufactured by Littelfuse Inc. It is rated for a continuous current of 4A at a voltage of 480V. The breaker utilizes a magnetic hydraulic delay mechanism for reliable overcurrent protection with time-delayed tripping to handle inrush currents. It features a lever actuator for manual operation and reset. The mounting type is panel mount, making it suitable for installation in control panels and distribution boards. The breaker is approved by CCC, CSA, and UL. It is also compliant with RoHS3, MSL 1, and REACH unaffected.

CA1-B0-20-440-121-C Quick Information

Product Type: Circuit Breaker
Series: CA1
Canonical Name: Magnetic (Hydraulic Delay) Circuit Breaker, 1 Pole, 4A, 480V, Panel Mount, Lever Actuator
Subcategory: Panel Mount Circuit Breakers

CA1-B0-20-440-121-C Compliance

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

CA1-B0-20-440-121-C Features

  • Single-pole magnetic hydraulic delay circuit breaker.
  • Rated for 4A continuous current at 480V.
  • Panel mount with lever actuator.
  • Approved by CCC, CSA, and UL.
  • Compliant with RoHS3 and REACH.

CA1-B0-20-440-121-C Applications

  • Ideal for overcurrent protection in control panels.
  • Used in single-phase distribution systems.
  • Suitable for motor branch circuits with inrush currents.
  • Applicable in industrial machinery and equipment.

CA1-B0-20-440-121-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the CA1-B0-20-440-121-C?

480V.

What is the current rating of this circuit breaker?

4A.

How many poles does this circuit breaker have?

1 pole.

What type of breaker is the CA1-B0-20-440-121-C?

Magnetic (Hydraulic Delay).

What actuator type does this breaker use?

Lever.

What mounting type is used for this breaker?

Panel Mount.

What approvals does this breaker have?

CCC, CSA, UL.

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