3RV29021AB0 The Siemens 3RV29021AB0 is an undervoltage release designed for use with 3RV2 circuit breakers. It operates with a 24V AC control supply voltage.
Mfr Part #:

3RV29021AB0

Mfr Name: Siemens
Siemens
The Siemens 3RV29021AB0 is an undervoltage release designed for use with 3RV2 circuit breakers. It operates with a 24V AC control supply voltage.
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3RV29021AB0 Specifications Quick View

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3RV29021AB0 Description

Short technical summary and product information.

This undervoltage release, part number 3RV29021AB0 from Siemens, is part of the SIRIUS product line. It is specifically designed as an accessory for 3RV2 series motor circuit breakers, supporting sizes S00, S0, S2, and S3.

 

The device operates with a control supply voltage of 24V AC at frequencies of 50 or 60 Hz. It features a degree of pollution of 3 and an insulation voltage rating of 690V. The front protection class is IP20, offering finger-safe touch protection.

 

Installation is facilitated by a snap-on mounting method. The operating ambient temperature range is -20°C to +60°C, with a storage temperature range of -50°C to +80°C. This undervoltage release is suitable for motor circuit breaker applications.

3RV29021AB0 Quick Information

Product Type: Undervoltage Release
Series: SIRIUS
Canonical Name: Siemens SIRIUS 3RV2902-1AB0 Undervoltage Release
Subcategory: Circuit Breaker Accessories

3RV29021AB0 Compliance

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

3RV29021AB0 Features

  • Siemens SIRIUS undervoltage release accessory
  • 24V AC control supply voltage
  • Suitable for 3RV2 circuit breakers
  • IP20 protection class on front
  • Snap-on mounting method

3RV29021AB0 Applications

  • Used with motor circuit breakers
  • Provides undervoltage protection
  • Suitable for industrial control panels
  • Ensures safe circuit breaker operation

3RV29021AB0 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the control supply voltage for the 3RV29021AB0?

The control supply voltage is AC 24V at 50/60Hz.

What is the operating temperature range of this undervoltage release?

The operating temperature range is -20 to +60°C.

What is the degree of pollution rating for the 3RV29021AB0?

The degree of pollution is 3.

How is the 3RV29021AB0 mounted?

It mounts via snap-on mounting onto a DIN rail.

What is the protection class on the front of this device?

The protection class on the front is IP20.

3RV29021AB0 Alternate Parts

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3RV29021AS0
3RV29021AS0
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Siemens 3RV29021AS0 is an undervoltage release designed for use with 3RV2 circuit breakers. It operates with AC control supply voltages from 500-600V.
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3RV29022AV0
3RV29022AV0
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The Siemens 3RV29022AV0 is an undervoltage release designed for use with 3RV2 circuit breakers. It operates with AC control supply voltages of 400-440V.
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3RV29024AP0
3RV29024AP0
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The Siemens 3RV29024AP0 is an undervoltage release accessory for the 3RV2 circuit breaker series. It operates with a control supply voltage of 230-240V AC.
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3RV29221CP0
3RV29221CP0
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The Siemens SIRIUS 3RV29221CP0 is an undervoltage release designed for motor circuit breakers. It operates with an AC control supply voltage and features 2 NO leading auxiliary contacts.
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