https://www.phoenixcontact.com/us/products/2961435 Single relay - REL-MR- 24AC/21-21 - 2961435 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 miniature power relay, with power contact, 2 PDTs, input voltage 24 V AC Product Features ■ RT III-proof (wash-proof) ■ Switching current of up to 8 A Key Commercial Data Packing unit 1 pc Minimum order quantity 10 pc Weight per Piece (excluding packing) 15.82 g Custom tariff number 85364190 Country of origin Austria Technical data Dimensions Width 12.7 mm Height 29 mm Depth 15.7 mm Ambient conditions Ambient temperature (operation) -40 °C ... 85 °C Ambient temperature (storage/transport) -40 °C ... 85 °C Coil side Nominal input voltage U 24 V AC N Input voltage range in reference to U see diagram N Typical input current at U 32 mA (at 50 Hz) N 04/28/2016   Page 1 / 8

https://www.phoenixcontact.com/us/products/2961435 Single relay - REL-MR- 24AC/21-21 - 2961435 Technical data Coil side 24 mA (At 60 Hz) Typical response time 3 ms ... 12 ms (depending on phase relation) Typical release time range 2 ms ... 9 ms (depending on phase relation) Coil resistance 350 Ω ±10 % (at 20 °C) Contact side Contact type 2 PDT Contact material AgNi Maximum switching voltage 250 V AC/DC Minimum switching voltage 5 V (at 10 mA) Min. switching current 10 mA (At 5 V) Maximum inrush current 12 A (20 ms) Limiting continuous current 8 A Interrupting rating (ohmic load) max. 190 W (at 24 V DC) 85 W (at 48 V DC) 60 W (at 60 V DC) 44 W (at 110 V DC) 60 W (at 220 V DC) 2000 VA (for 250 V AC) Switching capacity in acc. with DIN VDE 0660/IEC 60947 2 A (at 24 V, DC13) 0.2 A (at 250 V, DC13) 3 A (at 24 V, AC15) 3 A (at 120 V, AC15) 3 A (at 250 V, AC15) General Test voltage relay winding/relay contact 5 kV AC (50 Hz, 1 min.) Test voltage relay contact/relay contact 2.5 kV AC (50 Hz, 1 min.) Operating mode 100% operating factor Degree of protection RT III (wash-proof) Mechanical service life 1 x 107 cycles Standards/regulations IEC 60664 EN 50178 IEC 62103 Degree of pollution 3 Overvoltage category III Mounting position any Assembly instructions Can be aligned without spacing (> 70 °C ≥ 2.5 mm) 04/28/2016   Page 2 / 8

https://www.phoenixcontact.com/us/products/2961435 Single relay - REL-MR- 24AC/21-21 - 2961435 Technical data Standards and Regulations Connection in acc. with standard CUL Standards/regulations IEC 60664 EN 50178 IEC 62103 Degree of pollution 3 Overvoltage category III 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 2.0 EC000196 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 Approvals UL Recognized / VDE Gutachten mit Fertigungsüberwachung / cUL Recognized / EAC / EAC / cULus Recognized 04/28/2016   Page 3 / 8

https://www.phoenixcontact.com/us/products/2961435 Single relay - REL-MR- 24AC/21-21 - 2961435 Approvals Ex Approvals Approvals submitted Approval details UL Recognized  VDE Gutachten mit Fertigungsüberwachung  cUL Recognized  EAC  EAC  cULus Recognized  Accessories Additional products Relay socket - PR1-BSC2/2X21 - 2833518 Relay socket PR1..., for miniature power relay or miniature switching relay with 1 or 2 PDT or solid-state relay of same construction, 2/2 level design, screw connections, connection facility for input/interference suppression modules     04/28/2016   Page 4 / 8

https://www.phoenixcontact.com/us/products/2961435 Single relay - REL-MR- 24AC/21-21 - 2961435 Accessories Relay socket - PR1-BSC3/2X21 - 2833521 Relay socket PR1..., for miniature power relay or miniature switching relay with 1 or 2 PDT or solid-state relay of same construction, 1/3 level design, screw connections, connection facility for input/interference suppression modules     Relay socket - PR1-BSP3/2X21 - 2833534 Relay socket PR1..., for miniature power relay or miniature switching relay with 1 or 2 PDT or solid-state relay of same construction, 1/3 level design, spring-cage connections, connection facility for input/interference suppression modules     Drawings Diagram Diagram 2,8 20 2,6 2,4 10 UN 2,2 A] 6 1 Coil voltage U/ 1111,,,,24682 2 1 witching current [0,5124 4 3 2 1 2 S0,3 0,2 0,8 1 0,6 0,1 0 10 20 30 40 50 60 70 80 90 100 10 20 30 50 70 100 200 300 Ambient temperature [°C] 1AC, ohmic load Switching voltage [V] 2DC, ohmic load, contacts in series 1DC coils 3DC, ohmic load 2AC coils 4DC, L/R = 40 ms Operating voltage range Interrupting rating 04/28/2016   Page 5 / 8

https://www.phoenixcontact.com/us/products/2961435 Single relay - REL-MR- 24AC/21-21 - 2961435 Diagram Diagram 107 1 Cycles 106 00,,89 1 or act0,7 105 2 on f0,6 ducti0,5 e R0,4 104 0 1 2 3 4 5 6 7 8 9 10111213141516 0,3 1 0,9 0,8 0,7 0,6 0,5 0,4 0,3 0,2 Switching current [A] COSj 1250 VAC, ohmic load (DC coils) 2250 VAC, ohmic load (AC coils) Electrical service life Service life reduction factor with various cos phi Circuit diagram A1 12 11 14 A2 22 21 24 04/28/2016   Page 6 / 8

https://www.phoenixcontact.com/us/products/2961435 Single relay - REL-MR- 24AC/21-21 - 2961435 Drilling diagram a = pitch division 2.5 mm Dimensional drawing 04/28/2016   Page 7 / 8

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