Siemens 3RV1901-1A
The Siemens 3RV1901-1A is designed as an auxiliary switch within the SIRIUS series. It features two contacts, including one normally open (NO) and one normally closed (NC) configuration, making it versatile for various electrical applications.
This Siemens 3RV1901-1A is supplied brand new by PartLogic for switching, motor protection, starting, control panel builds, machinery maintenance and industrial electrical applications. It forms part of our Industrial automation > Motor control > Circuit breakers > Accessories range and is referenced internally as PartLogic SKU PL26801425030.
Before ordering, please confirm the manufacturer part number, product specifications and compatibility with your existing equipment. If you are replacing a failed, obsolete or hard-to-find part, contact PartLogic and we can help check suitability or source related components.
| product brand name | SIRIUS |
| product designation | auxiliary switch, lateral |
| design of the product | lateral auxiliary switches |
| size of the circuit-breaker | S00, S0, S2, S3 |
| 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 |
| during storage | -50 ... +80 |
| during operation | -20 ... +60 |
| number of NC contacts for auxiliary contacts instantaneous contact | 1 |
| number of NO contacts for auxiliary contacts instantaneous contact | 1 |
| number of CO contacts of auxiliary contacts instantaneous contact | 0 |
| — at 24 V | 1062 |
| — at 230 V | 104 |
| — at 400 V | 103 |
| — at 690 V | 10 |
| — maximum | 10 |
| — at 110 V | 0.5 |
| — at 220 V | 0.25 |
| at AC-15 at 690 V rated value | 1 |
| fastening method | plug-in fixing |
| width | 9.5 |
| height | 90 |
| depth | 70 |
| type of electrical connection for auxiliary and control circuit | screw-type terminals |
| — solid | 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) |
| — with core end processing | 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) |
| at AWG cables for auxiliary contacts | 2x (18 ... 14) |
| certificate of suitability | CE / UL / CSA / CCC |
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