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DA1-A0-03-650-221-C This Littelfuse circuit breaker is a 1-pole, DIN Rail mount device rated for 50A at 277V. It features a switch-only breaker type with lever actuator.
Mfr Part #:

DA1-A0-03-650-221-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
This Littelfuse circuit breaker is a 1-pole, DIN Rail mount device rated for 50A at 277V. It features a switch-only breaker type with lever actuator.
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DA1-A0-03-650-221-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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DA1-A0-03-650-221-C Description

Short technical summary and product information.

The DA1-A0-03-650-221-C is a circuit breaker from Littelfuse Inc. It is a 1-pole device rated for 50A continuous current at 277V AC. The breaker is designed for DIN Rail mounting and features a lever actuator. It is classified as a 'Switch Only' breaker type, indicating it functions as a disconnect switch without integrated overcurrent protection. The unit is non-illuminated. This component is suitable for use in circuit protection applications where a manual disconnect switch is required.

DA1-A0-03-650-221-C Quick Information

Product Type: Circuit Breaker
Canonical Name: 1-Pole DIN Rail Circuit Breaker, 50A, 277V, Switch Only, Lever Actuator
Subcategory: Switch Only

DA1-A0-03-650-221-C Compliance

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

DA1-A0-03-650-221-C Features

  • Rated for 50A continuous current.
  • 277V AC voltage rating.
  • 1-pole DIN Rail mount design.
  • Switch-only breaker type.
  • Lever actuator for manual control.

DA1-A0-03-650-221-C Applications

  • Manual disconnect for industrial power circuits.
  • DIN rail mounted isolation switch.
  • Single-pole switching for 277V lighting.
  • High-current load switching in panels.

DA1-A0-03-650-221-C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the DA1-A0-03-650-221-C circuit breaker?

50A.

What is the voltage rating of this circuit breaker?

277V.

How many poles does this circuit breaker have?

1 pole.

What is the mounting type of this circuit breaker?

DIN Rail.

What is the breaker type of the DA1-A0-03-650-221-C?

Switch Only.

What actuator type does this circuit breaker use?

Lever.

Is the DA1-A0-03-650-221-C circuit breaker illuminated?

No, it has no illumination.

DA1-A0-03-650-221-C Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.
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DA1-A0-03-650-122-C
DA1-A0-03-650-122-C
Littelfuse Inc.
The Littelfuse Inc. DA1-A0-03-650-122-C is a single-pole, switch-only circuit breaker. It offers a 50A current rating and a 277V voltage rating.
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