https://www.phoenixcontact.com/us/products/2909738 Single relay - REL-IR4/24DC/4X21/EX - 2909738 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) Pluggable industrial relay, RT III sealed with power contacts, 4x changeover contacts, mechanical switch position indicator, polarity: non-polarized, input voltage: 24 V DC, in connection with RIF-2.../EX bases approved in accordance with ATEX/IECEx (zone 2) and Ex zone class I, div. 2. Key Commercial Data Packing unit 1 pc GTIN GTIN 4055626379685 Weight per Piece (excluding packing) 34.000 g Custom tariff number 85364190 Country of origin Poland Technical data Dimensions Width 21.2 mm Height 27.5 mm Depth 35.6 mm Ambient conditions Ambient temperature (operation) -40 C ... 70 C Ambient temperature (storage/transport) -40 C ... 85 C Degree of protection RT III RT III Coil side Nominal input voltage UN 24 V DC 05/30/2019 Page 1 / 5 https://www.phoenixcontact.com/us/products/2909738 Single relay - REL-IR4/24DC/4X21/EX - 2909738 Technical data Coil side Input voltage range in reference to UN see diagram Typical input current at UN 38 mA Typical response time 13 ms Typical release time 3 ms Power dissipation for nominal condition 0.91 W Contact side Contact type 4 PDTs Type of switch contact Single contact Contact material AgNi Maximum switching voltage 250 V AC/DC Minimum switching voltage 5 V (At 24 mA) Min. switching current 5 mA (at 24 V) Maximum inrush current 16 A (20 ms, N/O contact) 12 A (4 s, 4 N/O contacts) Limiting continuous current 6A Interrupting rating (ohmic load) max. 144 W (at 24 V DC) 124 W (at 48 V DC) 108 W (at 60 V DC) 52 W (at 110 V DC) 48 W (at 220 V DC) 1500 VA (for 250 V AC) Switching capacity min. 0.12 W Switching capacity 2 A (at 24 V, DC13) 1 A (at 230 V, AC15) Motor load according to UL 508 1/3 HP, 240 V AC General Test voltage relay winding/relay contact 2.5 kVrms (50 Hz, 1 min.) Test voltage PDT/PDT 2.5 kVrms (50 Hz, 1 min.) Operating mode 100% operating factor Degree of protection RT III Mechanical service life 1x 10 cycles, approximately Mounting position any 7 Connection data Connection method Plug connection Standards and Regulations 05/30/2019 Page 2 / 5 https://www.phoenixcontact.com/us/products/2909738 Single relay - REL-IR4/24DC/4X21/EX - 2909738 Technical data Standards and Regulations Standards/regulations IEC 60664 IEC 61810 Rated insulation voltage 250 V AC Rated surge voltage 2.5 kV Insulation Basic insulation Degree of pollution 2 Overvoltage category II 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 Diagram 20 11 14 12 21 24 22 31 34 32 41 44 42 Switching current [A] A1 A2 10 6 4 " 2 ! 1 0,5 0,3 0,2 0,1 10 20 30 50 70 100 200 Switching voltage [V] 300 " AC, ohmic load ! DC, ohmic load Interrupting rating 05/30/2019 Page 3 / 5 https://www.phoenixcontact.com/us/products/2909738 Single relay - REL-IR4/24DC/4X21/EX - 2909738 Diagram Diagram 7 Cycles 10 10 6 10 5 0 1 2 Switching capacity [kVA] 3 ! 250 V AC, ohmic load Operating voltage range Electrical service life Diagram Service life reduction factor 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 eCl@ss 9.0 27371601 ETIM ETIM 2.0 EC001437 ETIM 3.0 EC001437 05/30/2019 Page 4 / 5 https://www.phoenixcontact.com/us/products/2909738 Single relay - REL-IR4/24DC/4X21/EX - 2909738 Classifications ETIM ETIM 4.0 EC001437 ETIM 5.0 EC001437 ETIM 6.0 EC001437 ETIM 7.0 EC001437 UNSPSC UNSPSC 6.01 30211916 UNSPSC 7.0901 39121515 UNSPSC 11 39121515 UNSPSC 12.01 39121515 UNSPSC 13.2 39122334 Approvals Approvals Approvals UL Recognized / cUL Recognized / cULus Recognized Ex Approvals Approval details UL Recognized http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm FILE E 172140 cUL Recognized http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm FILE E 172140 cULus Recognized Phoenix Contact 2019 (c) - all rights reserved http://www.phoenixcontact.com 05/30/2019 Page 5 / 5