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Technical content

Features

– Contact extension block – Safety category 3 according to EN 954-1 – Plug-in screw or spring-cage connection terminal blocks – Single-channel wiring – Safe isolation – Housing width 22.5 mm – Four enable contacts, one alarm contact, and one confirmation contact Observe the safety instructions on page 4. Make sure you always use the latest documentation. It can be downloaded at www.download.phoenixcontact.com. A conversion table is available on the Internet at This data sheet is valid for all products listed on the following page: Safety Relay as a Contact Extension Block With Off-Delay Contacts

PSR-...- 24DC/URD3/4X1/2X2/T2 102987_01_en PHOENIX CONTACT 2 Ordering Data Technical Data Safety Relay Description Type Order No. Pcs./Pck. Safety relay as a contact extension block with off-delay contacts, with screw connection PSR-SCP- 24DC/URD3/4X1/2X2/T2 2981703 1 Safety relay as a contact extension block with off-delay contacts, with spring- cage connection PSR-SPP- 24DC/URD3/4X1/2X2/T2 2981729 1 Accessories Description Type Order No. Pcs./Pck. DIN rail connector, yellow, for PSR applications PSR-TBUS 2890425 50 Terminating connector PSR-TBUS-TP 2981716 50 Documentation Description Type Order No. Pcs./Pck. Application manual for PSR safety relays UM EN SAFETY RELAY APPLICATION 2888712 1 Input Data Nominal input voltage UN 24 V DC Typical current consumption at UN 84 mA Typical response time (K1, K2) 20 ms Release time (K1, K2) 2 s +50% Recovery time 1 s, approximately Surge protection Suppressor diode Status indicators (K1, K2, Power) Green LED Output Data Contact type: Positively driven contact assembly Class A according to EN 50205 4 enabling current paths, 1 signaling current path, 1 confirmation path Contact material Silver tin oxide (AgSnO2) Maximum switching voltage 250 V AC/DC Minimum switching voltage 15 V AC/DC Limiting continuous current N/O contact N/C contact (65-66) 6 A 3 A ITH 2 = I1 2 + I2 2 + ... IN 2 50 A2 Maximum inrush current N/O contact N/C contact (65-66) 6 A 3 A Minimum switching current 25 mA Maximum shutdown power

24 V DC

48 V DC

110 V DC

220 V DC

250 V AC

Ohmic load τ = 0 ms

144 W (72 W) 1

288 W (144 W) 1

1500 VA (750 VA) 1

Inductive load τ = 40 ms 48 W 40 W 35 W 33 W Minimum switching power 0.4 W

PSR-...- 24DC/URD3/4X1/2X2/T2 102987_01_en PHOENIX CONTACT 3 Mechanical service life 10 7 cycles, approximately Switching capacity according to DIN EN 60947-5-1/VDE 0660-200 Cycles DC13 AC15 3600/h: 24 V DC 3 A –

230 V AC – 3 A

360/h: 24 V/6 A

230 V/5 A

Short-circuit protection of the output circuits, external Enabling current paths Signaling current path NEOZED 10 A gL/gG NEOZED 4 A gL/gG 1 The maximum values given in brackets apply to N/C contacts 65-66. Output Data (Continued) General Data Permissible ambient operating temperature -20°C ... +55°C Nominal operating mode 100% operating factor Degree of protection according to VDE 0470-1 Housing Connection terminal blocks Installation location IP20 IP20 IP54, minimum Mounting position Any Air and creepage distances between the circuits Basic insulation1 According to DIN EN 50178:1998-04 Impulse voltage withstand level 4 kV Pollution degree 2 Surge voltage category III Dimensions (W x H x D) Screw connection Spring-cage connection 22.5 mm x 114.5 mm x 99 mm 22.5 mm x 114.5 mm x 112 mm Conductor cross-section Screw connection Spring-cage connection Stripping length Screw connection Spring-cage connection 7 mm 8 mm Housing material Polyamide PA, not reinforced 1 Safe isolation, reinforced insulation, and 6 kV between the input circuit/N/C contacts and the enable contact current paths. Tests/Approvals BG/TÜV UL/CUL

PSR-...- 24DC/URD3/4X1/2X2/T2 102987_01_en PHOENIX CONTACT 5 Structure Figure 3 Structure

1 Metal lock for mounting on the DIN rail

2 COMBICON plug-in screw terminal blocks

3 COMBICON plug-in spring-cage terminal blocks

4 27-28, 37-38, 47-48, and 57-58: Enabling current paths

5 K1, K2: Input

6 Y1: Connection to the DIN rail connector

7 15-16: Confirmation contacts

8 A1, A2: Supply voltage connection

9 65-66: Alarm contacts Function When the 24 V DC operating voltage is applied at terminal blocks A1-A2 or is led via the DIN rail connector, the "Power" LED lights up. When a 24 V DC voltage is applied at input K1-K2 (or via the DIN rail connector), both relays are activated. The LEDs light up and the contacts for enabling current paths 27-28, 37-38, 47-48, and 57-58 close. Alarm contacts 15-16 and 65-66 open. If the voltage is switched off at input K1-K2, the enable contacts open and the alarm contacts close after two second (2 s). For additional connection examples, see page 7. 23 24 Y1 16 A1 A2 65 66 A1 28 A2 65 66 57 15 PSR-URD3-T2 Power K1 (t) K2 (t) PSR-SPP- 24DC/URD3/4X1/2X2/T2Order No.: 29 81 72 APPROV AL Serial No. 15 27 37 47 57 16 28 38 48 58 66 Input: 24 V dcOutput: 240 V ac/24 V dc. 6A B300 Pilot duy R300 Pilot duty ET 07036 57 58 47 48 Y1 16 15 /K2 A1 28 A2 65 66 57 15 PSR-URD3-T2 Power K1 (t) K2 (t) PSR-SCP- 24DC/URD3/4X1/2X2/T2Order No.: 29 81 70 3 APPROV AL Serial No. 27 37 16 28 38 48 58 66 Input: 24 V dc Output: 240 V ac/24 V dc. 6A B300 Pilot duy R300 Pilot duty ET 07036 PSR-SCP- 24DC/URD3/4X1/2X2/T2 PSR-SPP- 24DC/URD3/4X1/2X2/T2 6 7