R21-42-17.5A-B161CH-S The Sensata R21-42-17.5A-B161CH-S is a 2-pole circuit breaker featuring a 17.5A current rating and a magnetic-hydraulic delay. It is designed for panel mounting.
Mfr Part #:

R21-42-17.5A-B161CH-S

Mfr Name: Sensata
Sensata
The Sensata R21-42-17.5A-B161CH-S is a 2-pole circuit breaker featuring a 17.5A current rating and a magnetic-hydraulic delay. It is designed for panel mounting.
Stock on Request
$ Price Range: $0.99

R21-42-17.5A-B161CH-S Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Actuator Type
Automotive Grade
Breaker Type
Current Rating
Current Rating (Amps)
Illumination
Illumination Voltage (Nominal)
Industrial Grade
Medical Grade
Military Grade
Mounting Type
Number of Poles
Storage Temperature
Tape & Reel

R21-42-17.5A-B161CH-S Description

Short technical summary and product information.

This Sensata circuit breaker, part number R21-42-17.5A-B161CH-S, is a magnetic-hydraulic delay type with a 2-pole configuration. It offers a current rating of 17.5A and is suitable for panel mounting applications. The actuator type is a rocker, and it features white illumination with a nominal voltage of 250V.

 

This component is part of the SNAPAK® Series. It complies with RoHS3 standards and has an MSL rating of 1. The REACH status is unaffected.

 

Key specifications include a 17.5A current rating, 2 poles, and panel mount capability. The magnetic-hydraulic delay mechanism provides reliable circuit protection. The rocker actuator is easy to operate, and the white illumination indicates status. This circuit breaker is designed for applications requiring precise current control and protection.

R21-42-17.5A-B161CH-S Quick Information

Product Type: Circuit Breaker
Series: SNAPAK® Series
Canonical Name: Sensata R21-42-17.5A-B161CH-S Magnetic-Hydraulic Circuit Breaker
Subcategory: Magnetic (Hydraulic Delay)

R21-42-17.5A-B161CH-S Compliance

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

R21-42-17.5A-B161CH-S Estimated Pricing

Qty Low High
1+ $0.99 $0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

R21-42-17.5A-B161CH-S Features

  • 17.5A current rating for protection.
  • Two-pole magnetic-hydraulic breaker.
  • Designed for convenient panel mounting.
  • Rocker actuator with white illumination.
  • RoHS3 compliant for environmental standards.

R21-42-17.5A-B161CH-S Applications

  • Provides reliable circuit protection.
  • Suitable for industrial control panels.
  • Used in power distribution systems.
  • Integrates into equipment chassis.

R21-42-17.5A-B161CH-S FAQs

6 frequently asked questions generated from this part’s specifications.
What is the current rating of the R21-42-17.5A-B161CH-S circuit breaker?

The current rating is 17.5A.

How many poles does this Sensata circuit breaker have?

This circuit breaker has 2 poles.

What type of delay does the R21-42-17.5A-B161CH-S circuit breaker use?

It uses a magnetic-hydraulic delay.

What is the mounting type for this circuit breaker?

The mounting type is Panel Mount.

Is the R21-42-17.5A-B161CH-S circuit breaker RoHS compliant?

Yes, it is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for this part?

The MSL is 1 Unlimited.

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