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Siemens 3RK3231-1AA10 — Safety Relays

Siemens 3RK3231-1AA10

MPN3RK3231-1AA10
NRND

SIRIUS, Extension module 3RK32 for modular Safety system 3RK3 2/4 F-DI, 2 F-DO, 24 V DC/1.2 A Can be parameterized via MSS ES 22.5 mm overall width screw terminal Up to SIL3 (IEC 61508) Up to Performance Level E (ISO 13849-1) without connection cable

$200.00 – $270.89Ref. price · indicative, final on quote
Sourced new & surplus through independent channelsAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

3RK3231-1AA10 — Identification
ParameterValue
Product brand nameSIRIUS
Product designationExpansion module
Product design / configuration2/4 F-DI 2 F-DO
3RK3231-1AA10 — Safety ratings
ParameterValue
PFHd, high demand rate (EN 62061)0.00000000271/h
3RK3231-1AA10 — Monitoring & inputs
ParameterValue
Protective door monitoringYes
Monitored start-upYes
3RK3231-1AA10 — Electrical
ParameterValue
Rated insulation voltage50V
Rated surge voltage withstand500V
3RK3231-1AA10 — Connection
ParameterValue
Type of electrical connectionscrew-type terminals
Conductor cross-section, with ferrule0.5 ... 2.5mm²
3RK3231-1AA10 — Mechanical
ParameterValue
Touch protection against electric shockfinger-safe
Fastening methodDIN rail
Mounting positionvertical
Width22.5mm
Height102mm
Depth124mm
3RK3231-1AA10 — Environmental
ParameterValue
Operating temperature range-20 ... +60°C
Storage temperature range-40 ... +85°C
Relative humidity, operating10 ... 95%
Installation altitude, max.2 000m
Shock resistance15g / 11 ms
MPN
3RK3231-1AA10