DistyParts Icon
MT1-S-12-020-3-A21-B-T The Littelfuse Inc. MT1-S-12-020-3-A21-B-T is a single-pole, magnetic hydraulic delay circuit breaker. It features a 20mA current rating and a 250V voltage rating.
Mfr Part #:

MT1-S-12-020-3-A21-B-T

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MT1-S-12-020-3-A21-B-T is a single-pole, magnetic hydraulic delay circuit breaker. It features a 20mA current rating and a 250V voltage rating.
Stock on Request

MT1-S-12-020-3-A21-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
View Similar Products (0)

MT1-S-12-020-3-A21-B-T Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number MT1-S-12-020-3-A21-B-T, is designed for circuit protection applications. It operates with a current rating of 20mA and a voltage rating of 250V.

 

The breaker type is magnetic with a hydraulic delay, providing reliable tripping characteristics. It is a single-pole unit with a push-pull actuator and no illumination.

 

Designed for panel mounting, this circuit breaker offers a robust solution for protecting electrical systems. It is compliant with RoHS3 standards and has a Moisture Sensitivity Level (MSL) of 1.

MT1-S-12-020-3-A21-B-T Quick Information

Product Type: Circuit Breaker
Canonical Name: Littelfuse Inc. MT1-S-12-020-3-A21-B-T Magnetic Hydraulic Delay Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay)

MT1-S-12-020-3-A21-B-T Compliance

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

MT1-S-12-020-3-A21-B-T Features

  • 20mA current rating for protection.
  • 250V voltage rating.
  • Magnetic hydraulic delay breaker type.
  • Single-pole, panel mount design.
  • Push-pull actuator.

MT1-S-12-020-3-A21-B-T Applications

  • Ideal for low-current protection.
  • Suitable for control panel integration.
  • Used in electrical system safety.
  • General purpose circuit protection.

MT1-S-12-020-3-A21-B-T FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the MT1-S-12-020-3-A21-B-T?

20mA (0.02A).

What is the voltage rating of the MT1-S-12-020-3-A21-B-T?

250V.

What type of circuit breaker is the MT1-S-12-020-3-A21-B-T?

Magnetic (Hydraulic Delay).

How many poles does the MT1-S-12-020-3-A21-B-T have?

1 pole.

What is the actuator type on the MT1-S-12-020-3-A21-B-T?

Push-pull.

What is the mounting type of the MT1-S-12-020-3-A21-B-T?

Panel mount.

Is the MT1-S-12-020-3-A21-B-T illuminated?

No, it is non-illuminated.

Home
Account

Categories