2908777

https://www.phoenixcontact.com/gb/products/2908777 Safety relays - REL-SR- 24DC/2X21/FG - 2908777 Please be informed that the data shown in this PDF Document is generated from our Online Catalog. Please find the complete data in the user's documentation. Our General Terms of Use for Downloads are valid (http://phoenixcontact.com/download) Safety relay with forcibly guided contacts in acc. with DIN EN 50205, contact type 2 PDTs. The requirements for type A in accordance with EN 50205 are fulfilled when the wiring topology is 1 NO / 1 NC. Key Commercial Data Packing unit 20 STK Minimum order quantity 20 STK GTIN GTIN 4055626338651 Weight per Piece (excluding packing) 19.450 g Custom tariff number 85364190 Country of origin Czech Republic Technical data Dimensions Width 12.6 mm Height 29 mm Depth 25.5 mm Ambient conditions Ambient temperature (operation) -25 °C ... 70 °C Ambient temperature (storage/transport) -25 °C ... 70 °C Coil side Nominal input voltage UN 24 V DC Input voltage range in reference to UN see diagram Typical input current at UN 29 mA Typical response time 10 ms Typical release time 4 ms 08/13/2018   Page 1 / 5 https://www.phoenixcontact.com/gb/products/2908777 Safety relays - REL-SR- 24DC/2X21/FG - 2908777 Technical data Coil side Power dissipation for nominal condition 0.7 W Contact side Contact type 2 PDT Type of switch contact Single contact Contact material AgNi Maximum switching voltage 250 V AC/DC Minimum switching voltage 15 V Min. switching current 10 mA Maximum inrush current 6A Limiting continuous current 6A Interrupting rating (ohmic load) max. 144 W (at 24 V DC) 288 W (at 48 V DC) 88 W (at 110 V DC) 110 W (at 220 V DC) 1500 VA (for 250 V AC) Switching capacity min. 0.24 W Switching capacity in acc. with DIN VDE 0660/IEC 60947 2 A (at 24 V, DC13) 3 A (at 230 V, AC15) General Operating mode 100% operating factor Degree of protection IP20 Mechanical service life approx. 10 cycles B10d 600000 Cycles (AC1; 250 V / 6 A; 1 NO) 7 900000 Cycles (AC1; 250 V / 3 A; 1 NO) 1800000 Cycles (AC1; 250 V / 1,5 A; 1 NO) 180000 Cycles (AC15; 250 V / 3 A; 1 NO) 560000 Cycles (AC15; 250 V / 2 A; 1 NO) 4600000 Cycles (AC15; 250 V / 0,75 A; 1 NO) 360000 Cycles (DC13; 24 V / 3 A; 1 NO) 740000 Cycles (DC13; 24 V / 1,5 A; 1 NO) 4200000 Cycles (DC13; 24 V / 0,75 A; 1 NO) Standards and Regulations Designation Air clearances and creepage distances between the power circuits Standards/regulations DIN EN 50178 IEC 60664-1 Rated insulation voltage 250 V AC Rated surge voltage 6 kV Insulation Safe isolation, reinforced insulation Degree of pollution 2 08/13/2018   Page 2 / 5 https://www.phoenixcontact.com/gb/products/2908777 Safety relays - REL-SR- 24DC/2X21/FG - 2908777 Technical data Standards and Regulations Overvoltage category III Environmental Product Compliance China RoHS Environmentally Friendly Use Period = 50 For details about hazardous substances go to tab “Downloads”, Category “Manufacturer's declaration” Drawings Circuit diagram A2 12 14 22 24 11 1,6 Coil voltage U/UN A1 Diagram 21 1,4 1,2 1,0 0,8 0,6 -20 0 40 60 20 Ambient temperature [°C] 80 Operating voltage range Diagram 20 ! Switching current [A] 10 5 2 " 1 0,5 0,2 0,1 10 20 30 40 50 100 200 Switching voltage [V] 300 ! AC, ohmic load " DC, ohmic load Interrupting rating Classifications eCl@ss eCl@ss 5.0 27371601 eCl@ss 5.1 27371600 eCl@ss 6.0 27371600 eCl@ss 7.0 27371601 eCl@ss 8.0 27371601 08/13/2018   Page 3 / 5 https://www.phoenixcontact.com/gb/products/2908777 Safety relays - REL-SR- 24DC/2X21/FG - 2908777 Classifications eCl@ss eCl@ss 9.0 27371601 ETIM ETIM 2.0 EC001437 ETIM 3.0 EC001437 ETIM 4.0 EC001437 ETIM 5.0 EC001437 ETIM 6.0 EC001437 UNSPSC UNSPSC 6.01 30211901 UNSPSC 7.0901 39121501 UNSPSC 11 39121501 UNSPSC 12.01 39121501 UNSPSC 13.2 39122334 Approvals Approvals Approvals UL Recognized / cUL Recognized / EAC / cULus Recognized Ex Approvals Approval details UL Recognized    http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm  FILE E 228652 cUL Recognized    http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm  FILE E 228652 EAC      RU CDE.A*30.B.01082 08/13/2018   Page 4 / 5 https://www.phoenixcontact.com/gb/products/2908777 Safety relays - REL-SR- 24DC/2X21/FG - 2908777 Approvals cULus Recognized    http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm   Phoenix Contact 2018 © - all rights reserved http://www.phoenixcontact.com 08/13/2018   Page 5 / 5