R21-1-1.00A-B121EH The Sensata R21-1-1.00A-B121EH is a 2-pole magnetic-hydraulic circuit breaker with a 1A current rating. It features a rocker actuator and panel mount design.
Mfr Part #:

R21-1-1.00A-B121EH

Mfr Name: Sensata
Sensata
The Sensata R21-1-1.00A-B121EH is a 2-pole magnetic-hydraulic circuit breaker with a 1A current rating. It features a rocker actuator and panel mount design.
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R21-1-1.00A-B121EH Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
Breaker Type
Current Rating
Current Rating (Amps)
Illumination
Illumination Voltage (Nominal)
Mounting Type
Number of Poles

R21-1-1.00A-B121EH Description

Short technical summary and product information.

This Sensata R21-1-1.00A-B121EH is a magnetic-hydraulic circuit breaker designed for reliable circuit protection. It offers a current rating of 1A and operates with a hydraulic delay mechanism for specific trip characteristics.

 

The breaker features a 2-pole configuration and a rocker actuator for manual operation. It is designed for panel mounting, making it suitable for integration into various control panels and equipment.

 

Key electrical specifications include a 1A current rating and illumination via neon at a nominal 250V. The breaker type is magnetic (hydraulic delay), providing a specific response curve for overcurrent events.

 

Environmental compliance includes RoHS3 compliance, MSL 1 Unlimited, and REACH unaffected status, though these are noted with low confidence due to unverified data.

R21-1-1.00A-B121EH Quick Information

Product Type: Circuit Breaker
Series: SNAPAK®
Canonical Name: Sensata R21-1-1.00A-B121EH Magnetic (Hydraulic Delay) Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay)

R21-1-1.00A-B121EH Compliance

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

R21-1-1.00A-B121EH Features

  • 1A current rating for circuit protection.
  • Magnetic-hydraulic delay for specific tripping.
  • Two-pole configuration for wider application.
  • Rocker actuator for manual control.
  • Panel mount design for easy integration.

R21-1-1.00A-B121EH Applications

  • Panel mount circuit breaker for 1A loads
  • Magnetic-hydraulic rocker breaker for circuit protection
  • Neon illuminated breaker for visual status indication
  • 2-pole breaker for multi-phase protection applications
  • Suitable for industrial equipment protection systems

R21-1-1.00A-B121EH FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the R21-1-1.00A-B121EH circuit breaker?

The current rating is 1A.

How many poles does the R21-1-1.00A-B121EH circuit breaker have?

It has 2 poles.

What type of actuator does the R21-1-1.00A-B121EH circuit breaker use?

It uses a rocker actuator.

What is the mounting type for the R21-1-1.00A-B121EH circuit breaker?

It is a panel mount type.

Does the R21-1-1.00A-B121EH circuit breaker have illumination?

Yes, it features neon illumination.

What is the illumination voltage for this circuit breaker?

The nominal illumination voltage is 250V.

What is the breaker type of the R21-1-1.00A-B121EH?

It is a magnetic (hydraulic delay) breaker type.

R21-1-1.00A-B121EH Alternate Parts

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Littelfuse Inc.
The Littelfuse Inc. MG2-B-34-410-1-BB4-B-C is a 2-pole circuit breaker designed for panel mounting. It features a magnetic hydraulic delay mechanism.
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