Mfr Part #:

MT1-B-14-620-1-A11-B-N

Single-pole magnetic hydraulic delay circuit breaker from Littelfuse. Rated 20A, 250V, with push-pull actuator for panel mount applications.

Stock on Request

MT1-B-14-620-1-A11-B-N Description

Short technical summary and product information.

The Littelfuse MT1-B-14-620-1-A11-B-N is a single-pole circuit breaker utilizing a magnetic hydraulic delay mechanism for reliable overcurrent protection. It is rated for 20A continuous current at 250V AC/DC, making it suitable for a variety of industrial and commercial circuit protection needs.

The push-pull actuator provides manual on/off control, and the breaker is designed for panel mount installation. The magnetic hydraulic delay design offers precise trip characteristics, immune to ambient temperature variations, ensuring consistent performance across operating conditions.

This circuit breaker is housed in a compact single-pole format, ideal for space-constrained panels. Its robust construction and high interrupting capacity (based on magnetic design) make it a dependable component for branch circuit protection in power distribution systems.

MT1-B-14-620-1-A11-B-N Quick Information

Product Type: Circuit Breaker

Series: MT1

Canonical Name: Littelfuse 1-Pole Magnetic Hydraulic Delay Circuit Breaker, 20A, 250V, Push-Pull Actuator

Subcategory: Magnetic Circuit Breaker

MT1-B-14-620-1-A11-B-N Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

MT1-B-14-620-1-A11-B-N Features

Rated for 20A continuous current.
Supports up to 250V AC/DC.
Magnetic hydraulic delay trip mechanism.
Single-pole design for compact fit.
Panel mount with push-pull actuation.

MT1-B-14-620-1-A11-B-N Applications

Used in industrial circuit protection panels.
Suitable for equipment branch circuit protection.
Common in power distribution units.
Applied in telecommunications power systems.

MT1-B-14-620-1-A11-B-N FAQs

7 frequently asked questions generated from this part’s specifications.

What is the current rating of this circuit breaker?

20A.

What is the voltage rating of this circuit breaker?

250V.

What type of breaker is this?

Magnetic (Hydraulic Delay).

How many poles does this circuit breaker have?

1 pole.

What is the actuator type?

Push-Pull.

What mounting type is supported?

Panel Mount.

Does this circuit breaker have illumination?

No, it is non-illuminated.

MT1-B-14-620-1-A11-B-N Alternate Parts

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Littelfuse Inc.

The Littelfuse Inc. MT1-B-14-620-1-A21-B-N is a magnetic circuit breaker designed for panel mounting. It features a 20A current rating and a 250V voltage rating.

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