3RV20210KA20 The Siemens 3RV20210KA20 is a 3-pole circuit breaker designed for motor protection. It features a thermal magnetic overload release with an adjustable current response value of 0.9 to 1.25 A.
Mfr Part #:

3RV20210KA20

Mfr Name: Siemens
Siemens
The Siemens 3RV20210KA20 is a 3-pole circuit breaker designed for motor protection. It features a thermal magnetic overload release with an adjustable current response value of 0.9 to 1.25 A.
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$ Price Range: $0.99

3RV20210KA20 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
Storage Temperature
Voltage Rating

3RV20210KA20 Description

Short technical summary and product information.

This Siemens 3RV2 circuit breaker, model 3RV20210KA20, is a size S0 device designed for motor protection applications. It operates with a thermal magnetic overload release and offers an adjustable current response value ranging from 0.9 to 1.25 A. The breaker is rated for a maximum operating voltage of 690 V and has a 3-pole configuration.

 

Key electrical specifications include an operational current of 1.25 A at 400 V (AC-3 and AC-3e) and a maximum short-circuit breaking capacity (Icu) of 100 kA at 690 V. It features phase failure detection and a trip class of CLASS 10.

 

The device is designed for DIN rail mounting, making installation straightforward in control panels. It has a mechanical service life of 100,000 switching cycles for both main and auxiliary contacts, and an electrical endurance of 100,000 cycles. The operating ambient temperature range is -20 to +60 °C.

3RV20210KA20 Quick Information

Product Type: Circuit Breaker
Series: 3RV2
Canonical Name: Siemens 3RV2 Circuit Breaker, Size S0, 1.25A, 3-Pole, Thermal Magnetic
Subcategory: Motor Protection Circuit Breaker

3RV20210KA20 Compliance

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

3RV20210KA20 Estimated Pricing

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1+ $0.99 $0.99

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

3RV20210KA20 Features

  • 3-pole motor protection circuit breaker.
  • Size S0, thermal magnetic trip.
  • Adjustable current 0.9-1.25A.
  • 690V maximum operating voltage.
  • DIN rail mounting.

3RV20210KA20 Applications

  • Motor control circuit protection.
  • Industrial automation systems.
  • Control panel assemblies.
  • Machine tool applications.

3RV20210KA20 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the rated operating voltage of the Siemens 3RV20210KA20?

The rated operating voltage is 690 V.

What is the current rating of this circuit breaker?

The current rating is 1.25 A.

What mounting type does the Siemens 3RV20210KA20 use?

It uses DIN Rail mounting.

What is the mechanical service life of this circuit breaker?

It has a mechanical service life of 100,000 switching cycles.

Does this circuit breaker support phase failure detection?

Yes, it supports phase failure detection.

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