3RV2The Siemens 3RV2902-1AB4 is a motor protection circuit breaker from the SENTRON/SIRIUS 3RV2 series. Undervoltage release 24 V DC with screw terminal for circuit breaker 3RV2. Supplied by Stoklink for industrial and commercial low-voltage applications.
The Siemens 3RV2902-1AB4 is used in industrial control panels, distribution boards and automation systems. As part of the Siemens 3RV2 range it integrates with compatible SENTRON/SIRIUS components for a coordinated low-voltage installation. Genuine Siemens product supplied by Stoklink with fast dispatch from Türkiye.
| product brand name | SIRIUS |
|---|---|
| product category | Auxiliary release |
| product designation | undervoltage release |
| product type designation | 3RV29 |
| suitability for use | motor circuit breaker |
| certificate of suitability | CE / UL / CSA |
|---|---|
| size of the circuit-breaker | S00, S0, S2, S3 |
| operating power at DC maximum | 2.1 W |
| insulation voltage: rated value | 690 V |
| insulation voltage: with degree of pollution 3 at AC rated value | 690 V |
| degree of pollution | 3 |
| protection class IP on the front according to IEC 60529 | IP20 |
| break time maximum | 20 ms |
| reference code according to DIN 40719 extended according to IEC 204-2 according to IEC 750 | F |
| reference code according to EN 61346-2 | F |
| Substance Prohibitance (day/month/year) | 05/01/2012 |
| type of voltage of the control supply voltage | DC |
| control supply voltage 1 at DC rated value | 24 V |
| number of NC contacts for auxiliary contacts instantaneous contact | 0 |
| number of NO contacts for auxiliary contacts: instantaneous contact | 0 |
| number of NO contacts for auxiliary contacts: leading contact | 0 |
| number of CO contacts of auxiliary contacts instantaneous contact | 0 |
| ambient temperature: during operation | -20 ... +60 °C |
|---|---|
| ambient temperature: during storage | -50 ... +80 °C |
| Part number | 3RV2902-1AB4 |
|---|---|
| Type designation | 3RV29 |
| Brand | Siemens |
| Condition | New, factory sealed |
| Source | Siemens and its authorised distributors |
| Warranty | Manufacturer warranty |
| Lifecycle status | Active, in production |
| EAN | 4011209790988 |
| ETIM class | EC001022 |
| eCl@ss | 27370417 |
| protection class IP on the front according to IEC 60529 | IP20 |
|---|---|
| touch protection on the front according to IEC 60529 | finger-safe, for vertical contact from the front |
| design of short-circuit protection | fuse |
|---|
| fastening method | snap-on mounting |
|---|---|
| height | 90 mm |
| width | 19 mm |
| depth | 68 mm |
| type of electrical connection for auxiliary and control circuit | screw-type terminals |
|---|
| Net weight | 0.144 kg |
|---|---|
| Package dimensions | 102 × 45 × 86 mm |
| Country of origin | CZ |
| Shipping weight | 0.644 kg |
| Ships from | Türkiye |
| Dispatch | 11 Nov |
| Stock | Critical stock |
Source: manufacturer data · Last verified: 31 Oct 2026
No documents are on file for this part yet.
Ask us for the datasheetThe rated operational voltage of 3RV29 is 24 V AC.
The EAN (GTIN) of 3RV29 is 4011209790988.
3RV29 ships from Türkiye. Shipping calculated at checkout · import duties and taxes paid on arrival. Stock items are dispatched within 1–2 business days.
A side-by-side technical comparison of Schneider TeSys GV2/GV3, ABB MS132/MS165, and Siemens SIRIUS 3RV2 motor protection circuit breakers on frame size, terminals, phase-loss protection,...
A practical walkthrough of setting an MPCB's thermal dial to nameplate FLC, verifying the magnetic trip and trip class, and confirming Type 2 coordination...
A comparison of MCB and dedicated MPCB protection for motor circuits, covering curve selection, adjustable overload setting, trip class, and coordination.
