Siemens 3RK3251-2AA10
MPN3RK3251-2AA10
NRND
SIRIUS, Extension module 3RK32 for modular Safety system 3RK3 4/8 F-RO, 24 V DC/2 A Can be parameterized via MSS ES 45 mm overall width Spring-type terminal Up to SIL3 (IEC 61508) Up to Performance Level E (ISO 13849-1) without connection cable
$446.91Ref. price · indicative, final on quote
StockContact for availability
MOQ1 pcs
Sourced new & surplus through independent channelsListing updated Jun 2026
Specifications
Identification
| Parameter | Value |
|---|---|
| Product brand name | SIRIUS |
| Product designation | Expansion module |
| Product design / configuration | 4/8 F-RO |
Monitoring & inputs
| Parameter | Value |
|---|---|
| Protective door monitoring | No |
| Monitored start-up | No |
Electrical
| Parameter | Value |
|---|---|
| Rated insulation voltage | 300V |
| Rated surge voltage withstand | 4 000V |
Connection
| Parameter | Value |
|---|---|
| Type of electrical connection | spring-loaded terminals |
| Conductor cross-section, with ferrule | 0.25 ... 1.5mm² |
Mechanical
| Parameter | Value |
|---|---|
| Touch protection against electric shock | finger-safe |
| Fastening method | standard rail |
| Mounting position | vertical |
| Width | 45mm |
| Height | 113mm |
| Depth | 124mm |
Environmental
| Parameter | Value |
|---|---|
| Operating temperature range | -20 ... +60°C |
| Storage temperature range | -40 ... +85°C |
| Relative humidity, operating | 10 ... 95% |
| Installation altitude, max. | 2 000m |
| Shock resistance | 15g / 11 ms |
MPN
3RK3251-2AA10