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MT1-S-10-020-3-B21-B-C The Littelfuse Inc. MT1-S-10-020-3-B21-B-C is a single-pole, panel-mount circuit breaker. It features a magnetic hydraulic delay mechanism and a 20mA current rating.
Mfr Part #:

MT1-S-10-020-3-B21-B-C

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The Littelfuse Inc. MT1-S-10-020-3-B21-B-C is a single-pole, panel-mount circuit breaker. It features a magnetic hydraulic delay mechanism and a 20mA current rating.
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MT1-S-10-020-3-B21-B-C Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
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Breaker Type
Current Rating
Current Rating (Amps)
Illumination
Mounting Type
Number of Poles
Voltage Rating
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MT1-S-10-020-3-B21-B-C Description

Short technical summary and product information.

This Littelfuse Inc. circuit breaker, part number MT1-S-10-020-3-B21-B-C, is designed for panel mounting. It operates with a 250V voltage rating and a 20mA current rating.

 

The breaker utilizes a magnetic (hydraulic delay) mechanism for its operation and has a single pole configuration. The actuator type is push-pull, and it does not feature illumination.

 

Compliance information indicates RoHS3 compliance, MSL 1 unlimited, and REACH unaffected status. These compliance details are based on existing database information and are considered low confidence due to a lack of verified documentation.

 

This component is suitable for applications requiring precise overcurrent protection with a specific delay characteristic. Its panel-mount design facilitates integration into various equipment and control panels.

MT1-S-10-020-3-B21-B-C Quick Information

Product Type: Circuit Breaker
Series: MT1
Canonical Name: Littelfuse Inc. MT1-S-10-020-3-B21-B-C Circuit Breaker

MT1-S-10-020-3-B21-B-C Compliance

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

MT1-S-10-020-3-B21-B-C Features

  • Magnetic hydraulic delay trip mechanism.
  • Rated for 20mA current and 250V voltage.
  • Single-pole configuration with push-pull actuator.
  • Panel mount installation type.
  • RoHS and REACH compliant.

MT1-S-10-020-3-B21-B-C Applications

  • Protects circuits in industrial control panels.
  • Used in power distribution protection systems.
  • Suitable for low-current instrumentation.
  • Ideal for telecom equipment protection.
  • Applied in hydraulic control circuits.

MT1-S-10-020-3-B21-B-C FAQs

6 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the Littelfuse MT1-S-10-020-3-B21-B-C?

The voltage rating is 250V.

What is the mounting type of this circuit breaker?

It is designed for panel mount installation.

What is the current rating of the Littelfuse MT1-S-10-020-3-B21-B-C?

The current rating is 20mA.

What type of circuit breaker is this?

It is a magnetic (hydraulic delay) circuit breaker.

How many poles does this circuit breaker have?

It has 1 pole.

What type of actuator does this circuit breaker use?

It uses a push-pull actuator.

MT1-S-10-020-3-B21-B-C Alternate Parts

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MT1-U-30-020-1-C21-B-C
MT1-U-30-020-1-C21-B-C
Littelfuse Inc.
Littelfuse MT1-U-30-020-1-C21-B-C is a 1-pole magnetic (hydraulic delay) circuit breaker with a 20mA current rating and 250V voltage rating. It features a push-pull actuator and is panel mount.
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