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https://www.phoenixcontact.com/us/products/2906988 09/07/2016 Page 1 / 5 Single relay - REL-MR-12DC/21-21/C1D2 - 2906988 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, 24 V DC input voltage, UL/cUL: approved for use in Ex Zone Class 1 Div 2 Key Commercial Data Packing unit 1 STK Weight per Piece (excluding packing) 16.000 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 UN 12 V DC Input voltage range in reference to UN see diagram Typical input current at UN 33 mA Typical response time 7 ms Typical release time 3 ms Coil resistance 360 Ω ±10 % (at 20 °C) Power dissipation for nominal condition 0.4 W

https://www.phoenixcontact.com/us/products/2906988 09/07/2016 Page 2 / 5 Single relay - REL-MR-12DC/21-21/C1D2 - 2906988 Technical data 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 5 V (at 10 mA) Min. switching current 10 mA (At 5 V) Maximum inrush current 25 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)

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 Mechanical service life 3 x 10 cycles Standards/regulations IEC 60664 EN 50178 IEC 62103 Rated surge voltage/insulation Basic insulation Degree of pollution 3 Overvoltage category III Mounting position any Assembly instructions Can be aligned without spacing (> 70 °C ≥ 2.5 mm) Standards and Regulations Standards/regulations IEC 60664 EN 50178

https://www.phoenixcontact.com/us/products/2906988 09/07/2016 Page 3 / 5 Single relay - REL-MR-12DC/21-21/C1D2 - 2906988 Technical data Standards and Regulations IEC 62103 Rated surge voltage/insulation Basic insulation Degree of pollution 3 Overvoltage category III Drawings Drilling diagram 1,3 55 1,28 a = pitch division 2.5 mm Diagram Ambient□temperature□[°C] Coil□voltage□U/U N DC□coils AC□coils 0,6 0,8 1,2 1,4 1,6 1,8 2,2 2,4 2,6 2,8 0 10 20 30 40 50 60 70 80 90 100 Operating voltage range Diagram AC,□ohmic□load DC,□ohmic□load,□contacts□in□series DC,□ohmic□load DC,□L/R□=□40□ms Switching□voltage□[V] Switching□current□[A] 0,1 0,2 0,3 0,5 10 20 30 50 70 100 300 200 4 2 Interrupting rating Diagram Cycles Switching□current□[A] 250□V AC,□ohmic□load□(DC□coils) 250□V AC,□ohmic□load□(AC□coils) 0 1 4 8 12 16 2 3 5 6 7 11 9 10 15 14 13 Electrical service life

https://www.phoenixcontact.com/us/products/2906988 09/07/2016 Page 4 / 5 Single relay - REL-MR-12DC/21-21/C1D2 - 2906988 Diagram COS /c106 Reduction□factor 1 0,9 0,3 0,4 0,5 0,6 0,7 0,8 0,9 Service life reduction factor with various cos phi Dimensional drawing 15,7 3,6 12,7 Classifications eCl@ss eCl@ss 4.0 27371104 eCl@ss 4.1 27371104 eCl@ss 5.0 27371601 eCl@ss 5.1 27371601 eCl@ss 6.0 27371601 eCl@ss 7.0 27371601 eCl@ss 8.0 27371601 eCl@ss 9.0 27371601 ETIM ETIM 2.0 EC001437 ETIM 3.0 EC001437 ETIM 4.0 EC001437 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

https://www.phoenixcontact.com/us/products/2906988 09/07/2016 Page 5 / 5 Single relay - REL-MR-12DC/21-21/C1D2 - 2906988 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 228652 cUL Recognized http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm FILE E 228652 cULus Recognized http://database.ul.com/cgi-bin/XYV/template/LISEXT/1FRAME/index.htm Phoenix Contact 2016 © - all rights reserved http://www.phoenixcontact.com