Product Model
IOA-PSR-PS22-1NO-1NC-24DC

Selling Points
- 1Designed for SIL 3 high and low-demand applications, ensuring high safety standards.
- 2Couples digital output signals to the I/O, enhancing system reliability.
- 3Ensures safe-state-off operation, reducing risk of electrical shock.
- 4Includes a test pulse filter for accurate signal testing and validation.
- 5Pluggable design with dimensions of 10 mm x 75 mm x 112 mm, perfect for space-constrained applications.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Note on application | Only for industrial use | Product type | Coupling relay |
Product family | PSRmini | Application | Safe switch off
High demand
Low demand
Ex |
Relay type | Electromechanical relay with force-guided contacts in accordance with IEC/EN 61810-3 | Typ. starting time with U | 150 ms (when controlled via pins 05/06) |
Typical release time | 30 ms (when controlled via pins 05/06) | Recovery time | 500 ms |
Maximum power dissipation for nominal condition | 1.86 W (at U | Nominal operating mode | 100% operating factor |
Rated insulation voltage | 250 V AC | Rated surge voltage/insulation | Basic insulation 4 kV between all current paths and housing
Safe isolation, 6 kV reinforced insulation from the control circuit (05/06) and diagnostics circuit (03/04/02) to the enabling current path (15/19) |
Rated control circuit supply voltage U | 19.5 V DC ... 30 V DC | Rated control circuit supply voltage U | 24 V DC -20 % / +25 % |
Rated control supply current I | typ. 25 mA | Power consumption at U | typ. 0.77 W |
Inrush current | typ. 100 mA (Δt s) | Filter time | max. 3 ms (at pins 05/06 in the event of voltage dips at U
max. 3 ms (at pins 05/06; low test pulse width)
≥ 50 ms (at pins 05/06; low test pulse width)
max. 17 ms (at pins 05/06; high test pulse width)
≥ 600 ms (at pins 05/06; high test pulse width) |
Diagnostic supply voltage U | 24 V DC -20 % / +25 % (at pin 04) | Input current at U | 7 mA (at pins 04/03 for U |
Inrush current at U | typ. 200 mA (Δt D) | Protective circuit | Surge protection; 35 V suppressor diode (pins 05/06)33 V suppressor diode (pins 04/03)35 V suppressor diode (pins 02/03)
Polarity reversal protection for rated control circuit supply voltage and diagnostic supply voltage |
Output description | safety-related N/O contacts | Number of outputs | 1 (undelayed) |
Contact switching type | 1 enabling current path | Contact material | AgSnO |
Switching voltage | min. 12 V AC/DC
max. 230 V AC/DC | Switching capacity | min. 60 mW |
Inrush current | min. 3 mA
max. 3 A | Switching capacity in accordance with IEC 60947-5-1 | 3 A (24 V (DC13))
3 A (230 V (AC15)) |
Limiting continuous current | 3 A | Sq. Total current | 9 A |
Switching frequency | 0.1 Hz | Mechanical service life | 10x 10 |
Output fuse | 3 A gL/gG | Output description | Safety-related N/C contacts |
Number of outputs | 1 (undelayed) | Contact switching type | 1 confirmation current path |
Contact material | AgCuNi, + Au | Switching voltage | min. 19.2 V DC
max. 30 V DC |
Switching capacity | min. 20 mW | Inrush current | min. 1 mA
max. 100 mA |
Limiting continuous current | 100 mA | Output fuse | 150 mA Fast-blow |
pluggable | yes | Connection method | Pluggable onto VIP base module |
Status display | 2 x LED bi-color (green, red) | Width | 10 mm |
Height | 75 mm | Depth | 112 mm |
Color (Housing) | yellow (RAL 1018) | Housing material | PA 6.6 |
Stop category | 0 | Category | 4 |
Performance level (PL) | e (3 A DC13; 3 A AC15; 8760 switching cycles/year) | Safety Integrity Level (SIL) | 3 (Reference IEC 61508) |
Safety Integrity Level (SIL) | 3 ( | Safety Integrity Level (SIL) | 3 ( |
Safety Integrity Level (SIL) | 3 ( | Safety Integrity Level (SIL) | 3 ( |
Safety Integrity Level (SIL) | 3 ( | Safety Integrity Level (SIL) | 3 |
Degree of protection | IP20 | Min. degree of protection of inst. location | IP54 |
Ambient temperature (operation) | -40 °C ... 70 °C (observe derating) | Ambient temperature (storage/transport) | -40 °C ... 85 °C |
Maximum altitude | ≤ 2000 m (Above sea level) | Max. permissible humidity (storage/transport) | 75 % (on average, 85% infrequently, non-condensing) |
Max. permissible relative humidity (operation) | 75 % (on average, 85% infrequently, non-condensing) | Shock | 15 g (in the event of continuous stress caused by shock, contact reactions are possible.) |
Vibration (operation) | 10 Hz ... 150 Hz, amplitude 0.15 mm, 2g | Identification | II 3G Ex ec nC IIC T4 Gc |
Certificate | Sira 17ATEX4293X | Identification | Ex ec nC IIC T4 Gc |
Certificate | IECEx SIR 17.0078X | Identification | cULus |
Certificate | E140324 | Identification | Class I, Div. 2, Groups A, B, C, D, T4
Class I, Zone 2, AEx ec nC IIC T4 Gc / Ex ec nC IIC T4 Gc |
Certificate | 70134758 | Identification | CE-compliant |
Standards/regulations | EN 60947-1, EN 60079-0, EN 60079-15 | Mounting type | Plug-in mounting |
Assembly note | See derating curve | Mounting position | vertical or horizontal |
Specifications may be subject to change without notice