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https://www.phoenixcontact.com/us/products/2825403 10/20/2014 Page 1 / 4 Relay connectors - ST-REL4-SG 24/21-21 - 2825403 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, 2 PDT, input voltage 24 V DC, with light indicator, can be plugged on basic termination blocks The illustration shows version ST- REL 4-SG 48/21-21 Key commercial data Packing unit 1 pc GTIN Weight per Piece (excluding packing) 59.28 GRM Custom tariff number 85364190 Country of origin Germany Technical data Dimensions Width 27 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 24 V DC Typical input current at UN 32 mA Typical response time 8 ms (with DC)
https://www.phoenixcontact.com/us/products/2825403 10/20/2014 Page 2 / 4 Relay connectors - ST-REL4-SG 24/21-21 - 2825403 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, 2-PDT Contact material Ag, gold-flashed Maximum switching voltage 250 V AC/DC Maximum inrush current 5 A Limiting continuous current 5 A Interrupting rating (ohmic load) max. 120 W (at 24 V DC)
60 W (at 48 V DC)
50 W (at 60 V DC)
50 W (at 110 V DC)
70 W (at 220 V DC)
500 VA (for 250 V AC)
Test voltage relay winding/relay contact 1 kV AC (50 Hz, 1 min.) Test voltage PDT/PDT 1 kV 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) 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
https://www.phoenixcontact.com/us/products/2825403 10/20/2014 Page 3 / 4 Relay connectors - ST-REL4-SG 24/21-21 - 2825403 Classifications ETIM ETIM 2.0 EC000196 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/2825403 10/20/2014 Page 4 / 4 Relay connectors - ST-REL4-SG 24/21-21 - 2825403 Circuit diagram Phoenix Contact 2014 © - all rights reserved http://www.phoenixcontact.com