2903677

https://www.phoenixcontact.com/us/products/2903677 Single relay - REL-IR4/LDP- 24DC/4X21 - 2903677 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) Plug-in industrial relay with power contacts, 4 PDTs, test key, status LED, freewheeling diode, mechanical switch position indicator, polarity: A1+, A2–, input voltage: 24 V DC Key Commercial Data Packing unit 1 pc Minimum order quantity 10 pc Weight per Piece (excluding packing) 34.0 g Custom tariff number 85364190 Country of origin Poland Technical data Dimensions Width 21.2 mm Height 35.6 mm Depth 27.5 mm Ambient conditions Ambient temperature (operation) -40 °C ... 70 °C Ambient temperature (storage/transport) -40 °C ... 85 °C Coil side Nominal input voltage UN 24 V DC Input voltage range in reference to UN see diagram Typical input current at UN 42 mA Typical response time 13 ms Typical release time 14 ms Protective circuit Damping diode Status display Yellow LED 04/11/2016   Page 1 / 6 https://www.phoenixcontact.com/us/products/2903677 Single relay - REL-IR4/LDP- 24DC/4X21 - 2903677 Technical data Coil side Power dissipation for nominal condition 1.01 W Contact side Contact type 4 PDTs 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) 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 in acc. with DIN VDE 0660/IEC 60947 2 A (at 24 V, DC13) 0.22 A (at 120 V, DC13) 0.11 A (at 250 V, DC13) 1.5 A (at 24 V, AC15) 1.5 A (at 120 V, AC15) 1 A (at 240 V, AC15) General Test voltage relay winding/relay contact 2.5 kVrms (50 Hz, 1 min.) Test voltage PDT/PDT 2 kVrms (50 Hz, 1 min.) Operating mode 100% operating factor Degree of protection RT I Mechanical service life Approx. 2 x 10 cycles Designation Air clearances and creepage distances between the power circuits Standards/regulations IEC 60664 Rated insulation voltage 250 V AC Degree of pollution 2 Overvoltage category II Designation Standards/regulations Standards/regulations IEC 61810 Mounting position any 7 04/11/2016   Page 2 / 6 https://www.phoenixcontact.com/us/products/2903677 Single relay - REL-IR4/LDP- 24DC/4X21 - 2903677 Technical data Standards and Regulations Connection in acc. with standard CSA Designation Air clearances and creepage distances between the power circuits Standards/regulations IEC 60664 Rated insulation voltage 250 V AC Insulation Basic insulation Degree of pollution 2 Overvoltage category II Designation Standards/regulations Standards/regulations IEC 61810 Classifications eCl@ss eCl@ss 4.0 27371104 eCl@ss 4.1 27371104 eCl@ss 5.0 27371001 eCl@ss 5.1 27371001 eCl@ss 6.0 27371001 eCl@ss 7.0 27371001 eCl@ss 8.0 27371601 eCl@ss 9.0 27371601 ETIM ETIM 3.0 EC000196 ETIM 4.0 EC000196 ETIM 5.0 EC001437 UNSPSC UNSPSC 6.01 30211916 UNSPSC 7.0901 39121515 UNSPSC 11 39121515 UNSPSC 12.01 39121515 UNSPSC 13.2 39121515 Approvals Approvals 04/11/2016   Page 3 / 6 https://www.phoenixcontact.com/us/products/2903677 Single relay - REL-IR4/LDP- 24DC/4X21 - 2903677 Approvals Approvals CSA / UL Recognized / cUL Recognized / VDE Zeichengenehmigung / EAC / EAC / cULus Recognized Ex Approvals Approvals submitted Approval details CSA  UL Recognized  cUL Recognized  VDE Zeichengenehmigung  EAC  EAC  cULus Recognized  Drawings 04/11/2016   Page 4 / 6 https://www.phoenixcontact.com/us/products/2903677 Single relay - REL-IR4/LDP- 24DC/4X21 - 2903677 Circuit diagram Diagram 2,4 2,2 14 12 Coil voltage U/UN 11 A1 21 24 22 31 34 32 41 44 42 A2 2 1,8 1,6 1,4 1,2 1 0,8 0,6 0 10 20 30 40 50 60 70 Ambient temperature [°C] 80 DC coils AC coils Operating voltage range Diagram Diagram 10 10 6 4 7 Cycles Switching current [A] 20 2 10 6 1 0,5 0,3 0,2 0,1 10 10 20 30 50 70 100 200 Switching voltage [V] 5 0 300 AC, ohmic load DC, ohmic load 1 2 Switching capacity [kVA] 3 ! 250 V AC, ohmic load Electrical service life Interrupting rating Diagram 1 Reduction factor 0,9 0,8 0,7 0,6 0,5 0,4 0,3 1 0,9 0,8 0,7 0,6 0,5 0,4 0,3 0,2 COS j Service life reduction factor 04/11/2016   Page 5 / 6 https://www.phoenixcontact.com/us/products/2903677 Phoenix Contact 2016 © - all rights reserved http://www.phoenixcontact.com 04/11/2016   Page 6 / 6