Safety relays - PSR-SPP- 24DC/SIM4

Interface module for connecting several safety sensors or switches with N/C / N/O contacts to the PSR-SDC4 safety relay, plug-in Push-in terminal blocks

Product Details

Product type Interface module
Insulation characteristics
Overvoltage category III

Max. permissible current 100 mA (per signal output)
Max. permissible total current 100 mA (alarm outputs)
Nominal operating mode 100% operating factor
Rated insulation voltage 50 V DC
Rated surge voltage/insulation 0.8 kV

Nominal input voltage UN 24 V DC (from PSR)
Input voltage range in reference to UN 0.85 ... 1.1

Connection technology
pluggable yes
Conductor connection
Connection method Push-in connection
Conductor cross section solid 0.2 mm² ... 1.5 mm²
Conductor cross section flexible 0.2 mm² ... 1.5 mm²
Conductor cross section, flexible, with ferrule, with plastic sleeve 0.25 mm² ... 1.5 mm² (only together with CRIMPFOX 6)
Conductor cross section flexible, with ferrule without plastic sleeve 0.25 mm² ... 1.5 mm² (only together with CRIMPFOX 6)
Conductor cross-section AWG 24 ... 16
Stripping length 8 mm

Status display Green LED
Status display present yes

Width 22.5 mm
Height 117 mm
Depth 106 mm

Housing material Polyamide

Ambient conditions
Degree of protection IP20
Ambient temperature (operation) -20 °C ... 55 °C
Ambient temperature (storage/transport) -40 °C ... 70 °C
Maximum altitude max. 2000 m (Above sea level)

Air clearances and creepage distances between the power circuits
Standards/regulations DIN EN 50178

Assembly instructions in rows with zero spacing
Mounting position any

Item number 2981949
Packing unit 1 pc
Minimum order quantity 1 pc
Sales Key C18
Product Key DNA221
Catalog Page Page 233 (C-6-2019)
GTIN 4046356325998
Weight per Piece (including packing) 169.6 g
Weight per Piece (excluding packing) 99.99 g
Customs tariff number 85364190
Country of origin DE


ECLASS-9.0 27371819
ECLASS-10.0.1 27371819
ECLASS-11.0 27371819


ETIM 8.0 EC001449


UNSPSC 21.0 39122200


Approval ID: TR_TS_D_00573_c

UL Listed

Approval ID: FILE E 140324

cUL Listed

Approval ID: FILE E 140324

cULus Listed

China RoHS Environmentally Friendly Use Period = 50 years
For information on hazardous substances, refer to the manufacturer’s declaration available under “Downloads”

Your advantages

4 two-channel N/O or N/C contact inputs
Up to Cat. 3/PL d in accordance with EN ISO 13849-1, SIL 2 in accordance with IEC 61508 (in conjunction with the PSR-SDC4 master)
4 PLC diagnostic outputs for evaluating the switching state of the safety sensors
4 LEDs as status indicators for the relevant sensor/switch
PSR-TBUS connection