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PSR-PE20-1NO-24DC-SC - Coupling relay

Coupling relay for SIL3 low-demand applications, couples digital output signals to the I/O, 1independently controllable enabling current path, safe state off applications, test pulse filter, plug-in screw terminal block

Product Code: 1119573

Partner cod.: 1119573

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Product properties	Product type: Coupling relay Product family: PSRclassic Set comprises: 1272930 PSR-PE20-1NO-24DC-SC-SET60 Application: Safe switch off Low demand Mechanical service life: 10x 10⁶ cycles Relay type: Electromechanical relay in accordance with IEC/EN61810 Times Typ. starting time with U_s: < 70 ms (when controlled via A3 at U_S) Typical release time: < 50 ms (on demand via A3 at U_s) Recovery time: 500 ms
Electrical properties	Maximum power dissipation for nominal condition: 2.36 W (U_B=26.4V, U_S=24V, I_S=40mA, I_L²=16A, R_contact=0.075Ã©) Nominal operating mode: 100% operating factor Air clearances and creepage distances between the power circuits Rated insulation voltage: 250 VAC Rated surge voltage/insulation: Safe isolation, reinforced insulation 6.4kV between 250Vload current paths and 24Vlogic paths Basic insulation 4kV between all current paths and housing Supply Designation: 3/4 Rated control circuit supply voltage U_S: 21.6 VDC ... 26.4 VDC 24 VDC -10%...+10% Rated control supply current I_S: 40 mA Power consumption at U_S: 960 mW Inrush current: typ. 100 mA (Ãt=10ms at U_s) Filter time: 1 ms (in the event of voltage dips at U_s) Protective circuit: Serial protection against polarity reversal; Suppressor diode, 38.6V/600W (connections3/4)
Output data	Relay: Enabling current path (5/6) Output description: 1NO Number of outputs: 1 (safety-related) Contact switching type: 1 enabling current path Contact material: AgSnO₂, gold-plated Switching voltage: min. 12 VDC max. 250 V AC/DC (Observe the load curve) Switching capacity: min. 120 mW Inrush current: min. 10 mA max. 4 A Limiting continuous current: 4 A (Low demand) Sq. Total current: 16 A² (Low-demand, observe derating) Switching frequency: 1 Hz Mechanical service life: 10x 10⁶ cycles Output fuse: 4 A gL/gG (for low-demand applications)
Connection data	Conductor connection Connection method: Screw connection Conductor cross section rigid: 0.2 mm² ... 2.5 mm² Conductor cross section flexible: 0.2 mm² ... 2.5 mm² Conductor cross-section AWG: 24 ... 12 Stripping length: 7 mm Screw thread: M3 Tightening torque: 0.6 Nm
Signaling	Status display: 1 x green LED
Dimensions	Width: 12.5 mm Height: 99 mm Depth: 114.5 mm
Material specifications	Housing material: Polyamide
Characteristics	Safety data: IEC 61508 - Low-demand for 1-channel wiring (1oo3 structure without diagnostics) Safety Integrity Level (SIL): 3
Environmental and real-life conditions	Ambient conditions 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: Ã¢¤ 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: 15g Vibration (operation): 10Hz...150Hz, 2g
Approvals	CE Identification: CE-compliant
Standards and regulations	Air clearances and creepage distances between the power circuits Standards/regulations: EN61010-1, EN60947-1, EN60079-15
Mounting	Mounting type: DIN rail mounting Assembly instructions: See derating curve Mounting position: vertical or horizontal Connection method: Screw connection