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https://www.phoenixcontact.com/us/products/2828455 10/20/2014 Page 1 / 4 Relay connectors - ST-REL7-SG 48/4X21 - 2828455 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) Relay connector, equipped with Siemens KAMMRELAIS ®, contacts (Ag): medium loads, 4 PDT, input voltage 48 V DC, with light indicator, can be plugged on basic termination blocks The illustration shows version ST- REL 7-SG 24/4X21 Key commercial data Packing unit 1 pc GTIN Weight per Piece (excluding packing) 85.61 GRM Custom tariff number 85364190 Country of origin Germany Technical data Dimensions Width 45.6 mm Height 33 mm Depth 66.5 mm Ambient conditions Ambient temperature (operation) -20 °C ... 60 °C Ambient temperature (storage/transport) -20 °C ... 70 °C Coil side Nominal input voltage UN 48 V DC Typical input current at UN 19 mA Typical response time 8 ms (with DC)
https://www.phoenixcontact.com/us/products/2828455 10/20/2014 Page 2 / 4 Relay connectors - ST-REL7-SG 48/4X21 - 2828455 Technical data Coil side Typical release time 15 ms (with DC) Operating voltage display Yes Protective circuit Damping diode, polarity protection Damping diode, polarity protection diode Contact side Contact type Single contact, 4-PDT Contact material Ag, gold-flashed Maximum switching voltage 150 V DC
125 V AC
Maximum inrush current 2 A Limiting continuous current 2 A Interrupting rating (ohmic load) max. 48 W (at 24 V DC)
40 W (at 48 V DC)
40 W (at 60 V DC)
45 W (at 110 V DC)
50 VA (for 125 V AC)
Test voltage relay winding/relay contact 500 V AC (50 Hz, 1 min.) Test voltage PDT/PDT 500 V AC (50 Hz, 1 min.) Operating mode 100% operating factor Mechanical service life Approx. 10 cycles (approx. 10 with AC relay) Standards/regulations DIN VDE 0110b, Gr. C for 250 V DC DIN VDE 0160 (in relevant parts) 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 27371001 ETIM ETIM 2.0 EC000196
https://www.phoenixcontact.com/us/products/2828455 10/20/2014 Page 3 / 4 Relay connectors - ST-REL7-SG 48/4X21 - 2828455 Classifications ETIM ETIM 3.0 EC000196 ETIM 4.0 EC000196 ETIM 5.0 EC000196 UNSPSC UNSPSC 6.01 30211916 UNSPSC 7.0901 39121515 UNSPSC 11 39121515 UNSPSC 12.01 39121515 UNSPSC 13.2 39121515 Approvals Approvals Approvals GOST / GOST Ex Approvals Approvals submitted Approval details GOST GOST Drawings
https://www.phoenixcontact.com/us/products/2828455 10/20/2014 Page 4 / 4 Relay connectors - ST-REL7-SG 48/4X21 - 2828455 Circuit diagram Phoenix Contact 2014 © - all rights reserved http://www.phoenixcontact.com