2903670

https://www.phoenixcontact.com/us/products/2903670 Single relay - REL-IR4/LDP- 24DC/4X21AU - 2903670 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 and additional hard gold plating, 4 PDTs, test key, status LED, freewheeling diode, mechanical switch position indicator, polarity: A1+, A2-, coil voltage: 24 V DC The figure shows version REL-IR4/ LDP- 24DC/4X21 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 04/11/2016   Page 1 / 6 https://www.phoenixcontact.com/us/products/2903670 Single relay - REL-IR4/LDP- 24DC/4X21AU - 2903670 Technical data Coil side Protective circuit Damping diode Status display Yellow LED Power dissipation for nominal condition 1.01 W Contact side Contact type 4 PDTs Contact material AgNi, hard gold-plated Maximum switching voltage 30 V AC 36 V DC Minimum switching voltage 5 V (At 24 mA) Maximum inrush current 50 mA Limiting continuous current 50 mA Interrupting rating (ohmic load) max. 1.2 W (at 24 V DC) Switching capacity min. 0.12 W Note the following values are applicable if a gold layer is destroyed Maximum switching voltage 250 V AC/DC Minimum switching voltage 5 V (At 24 mA) Limiting continuous current 6A Maximum inrush current 16 A (20 ms, N/O contact) Min. switching current 5 mA (at 24 V) 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 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 04/11/2016   Page 2 / 6 https://www.phoenixcontact.com/us/products/2903670 Single relay - REL-IR4/LDP- 24DC/4X21AU - 2903670 Technical data General 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 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 04/11/2016   Page 3 / 6 https://www.phoenixcontact.com/us/products/2903670 Single relay - REL-IR4/LDP- 24DC/4X21AU - 2903670 Classifications UNSPSC UNSPSC 6.01 30211916 UNSPSC 7.0901 39121515 UNSPSC 11 39121515 UNSPSC 12.01 39121515 UNSPSC 13.2 39121515 Approvals Approvals Approvals CSA / UL Recognized / cUL Recognized / VDE Zeichengenehmigung / EAC / cULus Recognized Ex Approvals Approvals submitted Approval details CSA  UL Recognized  cUL Recognized  VDE Zeichengenehmigung  04/11/2016   Page 4 / 6 https://www.phoenixcontact.com/us/products/2903670 Single relay - REL-IR4/LDP- 24DC/4X21AU - 2903670 Approvals EAC  cULus Recognized  Drawings 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 AC, ohmic load DC, ohmic load Interrupting rating 50 70 100 200 Switching voltage [V] 300 5 0 1 2 Switching capacity [kVA] 3 ! 250 V AC, ohmic load Electrical service life 04/11/2016   Page 5 / 6 https://www.phoenixcontact.com/us/products/2903670 Single relay - REL-IR4/LDP- 24DC/4X21AU - 2903670 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 Phoenix Contact 2016 © - all rights reserved http://www.phoenixcontact.com 04/11/2016   Page 6 / 6