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MM1-B-74-630-3-2FA-B-T This Littelfuse MM1-B-74-630-3-2FA-B-T is a 30A 250V single-pole magnetic hydraulic delay circuit breaker. It features a panel mount design with a lever actuator and is approved to UL489A and CCC standards.
Mfr Part #:

MM1-B-74-630-3-2FA-B-T

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
This Littelfuse MM1-B-74-630-3-2FA-B-T is a 30A 250V single-pole magnetic hydraulic delay circuit breaker. It features a panel mount design with a lever actuator and is approved to UL489A and CCC standards.
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MM1-B-74-630-3-2FA-B-T 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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MM1-B-74-630-3-2FA-B-T Description

Short technical summary and product information.

The Littelfuse MM1-B-74-630-3-2FA-B-T is a single-pole magnetic circuit breaker with hydraulic delay technology. Rated for 30A at 250V, it provides dependable overcurrent protection while allowing for temporary inrush currents without nuisance tripping. The hydraulic delay mechanism offers a time-delayed response, making it suitable for circuits with motors or capacitive loads.

 

The breaker features a robust panel mount design with a lever actuator for manual on/off control. It is compliant with UL489A and CCC safety standards. The non-illuminated actuator keeps the interface simple. This circuit breaker is intended for use in industrial control panels, power distribution equipment, and other applications requiring a compact, reliable overcurrent protective device.

MM1-B-74-630-3-2FA-B-T Quick Information

Product Type: Circuit Breaker
Series: MM1
Canonical Name: Circuit Breaker, Magnetic (Hydraulic Delay), 30A, 250V, 1 Pole, Panel Mount
Subcategory: Magnetic (Hydraulic Delay) Circuit Breaker

MM1-B-74-630-3-2FA-B-T Compliance

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

MM1-B-74-630-3-2FA-B-T Features

  • 30A current rating for overcurrent protection.
  • 250V voltage rating suitable for many applications.
  • Magnetic hydraulic delay for time-delayed tripping.
  • Single-pole design with panel mount.
  • Lever actuator for manual operation.

MM1-B-74-630-3-2FA-B-T Applications

  • Overcurrent protection for industrial control panels
  • Branch circuit protection in power distribution
  • Motor circuit protection in manufacturing equipment
  • Suitable for panel mount installations requiring UL489A
  • Hydraulic-magnetic delay for high inrush applications

MM1-B-74-630-3-2FA-B-T FAQs

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

30A.

What is the voltage rating?

250V.

What type of circuit breaker is this?

Magnetic (Hydraulic Delay).

How many poles does this breaker have?

1 pole.

What type of actuator does it use?

Lever.

How is this circuit breaker mounted?

Panel mount.

What safety approvals does this breaker have?

CCC and UL489A.

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