Overview
The 3RK3321-2AA10 is an 8-channel digital input expansion module in the Siemens 3RK32 and 3RK33 family, housed in a 22.5 mm wide IP20 enclosure with spring-loaded terminals.
Siemens 3RK3321-2AA10 8 DI expansion module, 22.5 mm, IP20
MPN3RK3321-2AA10
NRND
Siemens 3RK3321-2AA10 expansion module, 8 digital inputs, 22.5 mm width, IP20, spring-loaded terminals, for 3RK32 and 3RK33 systems, RoHS since 01-05-12.
$137.16Ref. 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 design / configuration | 8 DI |
Monitoring & inputs
| Parameter | Value |
|---|---|
| Protective door monitoring | No |
| Monitored start-up | Yes |
Electrical
| Parameter | Value |
|---|---|
| Rated insulation voltage | 50 V |
| Rated surge voltage withstand | 500 V |
Connection
| Parameter | Value |
|---|---|
| Type of electrical connection | spring-loaded terminals |
Mechanical
| Parameter | Value |
|---|---|
| Touch protection against electric shock | finger-safe |
| Fastening method | DIN rail |
| Mounting position | vertical |
| Width | 22.5 mm |
| Height | 105 mm |
| Depth | 124 mm |
Environmental
| Parameter | Value |
|---|---|
| Relative humidity, operating | 10 ... 95 % |
| Installation altitude, max. | 2 000 m |
| Shock resistance | 15g / 11 ms |
| Vibration resistance (IEC 60068-2-6) | 5 ... 500 Hz: 0.75 mm |
Product details
MPN
3RK3321-2AA10