SIEMENS
High-performance SIRIUS contactor relay designed for switching control signals in industrial circuits. This unit features a 3 NO + 1 NC contact configuration, operates on a 230 V AC (50/60 Hz) supply, and utilizes secure screw terminals within a compact S00 frame size.
The Siemens 3RH2131-1AP00 Contactor Relay is a high-quality control relay designed for reliable switching operations in industrial and commercial electrical systems. Featuring 3 normally open (NO) and 1 normally closed (NC) contacts, this relay operates at 230V AC, 50/60 Hz, ensuring stable performance across a wide range of applications. Its S00 frame size and screw terminal connections allow for easy installation and secure wiring.
Engineered by Siemens, this contactor relay delivers long service life, precise control, and dependable operation in automation and control panels.
Reliable Siemens engineering for long-term durability
Compact S00 frame size saves panel space
Easy and secure installation with screw terminals
Stable operation with 230V AC coil voltage
Ideal for control circuits and automation systems
Controls and switches auxiliary circuits
Enables safe and efficient signal switching
Supports automation, motor control, and control panel applications
Ensures accurate electrical contact operation
Brand: Siemens
Product Number: 3RH2131-1AP00
Type: Contactor Relay
Contact Configuration: 3 NO + 1 NC
Coil Voltage: 230 V AC
Frequency: 50/60 Hz
Terminal Type: Screw Terminal
Frame Size: S00
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| SKU / Model | 3RH2131-1AP00 |
|---|---|
| Brand | SIEMENS |
| product brand name | SIRIUS |
| product designation | Auxiliary contactor |
| product type designation | 3RH2 |
| size of contactor | S00 |
| product extension auxiliary switch | Yes |
| insulation voltage with degree of pollution 3 at AC rated value | 690 V |
| degree of pollution | 3 |
| surge voltage resistance rated value | 6 kV |
| shock resistance at rectangular impulse | - |
| shock resistance with sine pulse | - |
| mechanical service life (switching cycles) | - |
| ● of contactor typical | 30 000 000 |
| ● of the contactor with added electronically optimized auxiliary switch block typical | 5 000 000 |
| ● of the contactor with added auxiliary switch block typical | 10 000 000 |
| reference code acc. to IEC 81346-2 | K |
| installation altitude at height above sea level maximum | 2 000 m |
| ambient temperature | - |
| ● during operation | -25 ... +60 °C |
| ● during storage | -55 ... +80 °C |
| relative humidity minimum | 10 % |
| relative humidity at 55 °C acc. to IEC 60068-2-30 maximum | 95 % |
| no-load switching frequency | - |
| ● at DC | 10 000 1/h |
| type of voltage of the control supply voltage | AC |
| control supply voltage at AC | - |
| ● at 50 Hz rated value | 230 V |
| ● at 60 Hz rated value | 230 V |
| control supply voltage frequency | - |
| ● 1 rated value | 50 Hz |
| ● 2 rated value | 60 Hz |
| operating range factor control supply voltage rated value of magnet coil at AC | - |
| ● at 50 Hz | 0.8 ... 1.1 |
| ● at 60 Hz | 0.85 ... 1.1 |
| apparent pick-up power of magnet coil at AC | 37 V·A |
| inductive power factor with closing power of the coil | 0.8 |
| apparent holding power of magnet coil at AC | 5.7 V·A |
| inductive power factor with the holding power of the coil | 0.25 |
| closing delay | - |
| opening delay | - |
| ● at AC | 4 ... 15 ms |
| arcing time | 10 ... 15 ms |
| number of NC contacts for auxiliary contacts | 1 |
| number of NO contacts for auxiliary contacts | 3 |
| ● instantaneous contact | 3 |
| identification number and letter for switching elements | 31 E |
| operational current at AC-12 maximum | 10 A |
| operational current at AC-15 | - |
| ● at 230 V rated value | 10 A |
| ● at 400 V rated value | 3 A |
| ● at 500 V rated value | 2 A |
| ● at 690 V rated value | 1 A |
| operational current at 1 current path at DC-12 | - |
| operational current with 2 current paths in series at DC-12 | - |
| operational current with 3 current paths in series at DC-12 | - |
| operating frequency at DC-12 maximum | 1 000 1/h |
| operational current at 1 current path at DC-13 | - |
| operational current with 2 current paths in series at DC-13 | - |
| operational current with 3 current paths in series at DC-13 | - |
| ● at 24 V rated value | 10 A |
| ● at 60 V rated value | 4.7 A |
| ● at 110 V rated value | 3 A |
| ● at 220 V rated value | 1.2 A |
| ● at 440 V rated value | 0.5 A |
| ● at 600 V rated value | 0.26 A |
| operating frequency at DC-13 maximum | 1 000 1/h |
| design of the miniature circuit breaker for short-circuit protection of the auxiliary circuit up to 230 V | C characteristic: 6 A; 0.4 kA |
| contact reliability of auxiliary contacts | 1 faulty switching per 100 million (17 V, 1 mA) |
| contact rating of auxiliary contacts according to UL | A600 / Q600 |
| design of the fuse link for short-circuit protection of the auxiliary switch required | fuse gL/gG: 10 A |
| mounting position | +/-180° rotation possible on vertical mounting surface; can be tilted forward and backward by +/- 22.5° on vertical mounting surface |
| fastening method | screw and snap-on mounting onto 35 mm standard mounting rail |
| required spacing | - |
| ● with side-by-side mounting | - |
| ● for grounded parts | - |
| ● for live parts | - |
| — forwards | 10 mm |
| — upwards | 10 mm |
| — downwards | 10 mm |
| — at the side | 6 mm |
| type of electrical connection for auxiliary and control circuit | screw-type terminals |
| type of connectable conductor cross-sections | - |
| ● for auxiliary contacts | - |
| — solid or stranded | 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 4 mm² |
| — finely stranded with core end processing | 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) |
| ● at AWG cables for auxiliary contacts | 2x (20 ... 16), 2x (18 ... 14), 2x 12 |
| B10 value with high demand rate acc. to SN 31920 | 1 000 000; With 0.3 x Ie |
| proportion of dangerous failures | - |
| ● with low demand rate acc. to SN 31920 | 40 % |
| ● with high demand rate acc. to SN 31920 | 73 % |
| failure rate [FIT] with low demand rate acc. to SN 31920 | 100 FIT |
| T1 value for proof test interval or service life acc. to IEC 61508 | 20 y |
| protection class IP on the front acc. to IEC 60529 | IP20 |
| touch protection on the front acc. to IEC 60529 | finger-safe, for vertical contact from the front |
| last modified: | 12/1/2021 |
| Weight | 0.233 kg |
| Dimensions | 50.00 × 61.50 × 77.50 mm |
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