SF4D-DC18V

SF4D RELAY Polarized monostable safety relay with forcibly guided double contacts FEATURES 53.3 33 • Relay complies with IEC 61810-3, Type B and with IEC/EN 603351 (GWT) 16.5 • Overvoltage category as per IEC 60664-1 III / 4kV • Rated voltage as per IEC 60664-1 basic insulation length: 3.0 Tolerance 0.3mm Weight approx. 47g Polution degree 2 2 3 inside outside inside 400V 400V 250V forcibly linked pair only 250V 250V 250V all other contacts 400V 400V 400V Coil-contact Contact-contact SPECIFICATIONS Contact Characteristics Contact configuration (a = normally open / NO, b = normally closed / NC) Contact material 4a4b AgSnO2, with Au flash Contact resistance (initial at 6V DC, 1A) Making and breaking capacities (breathing hole open)*1 Max. switching voltage Min. switching voltage / min. switching current Pick-up / drop-out / bounce time (approx. values at Unominal) Mechanical life 30m 6A 250V / 3A 24V 400V 10V / 10mA 18.5 / 7.5 / 3ms 107ops Max. switching frequency (without load) Permissible ambient temperature at nominal power consumption Upper temperature limit 10Hz -40°C to +70°C 105°C Test voltage: open contact / contact-contact / contact-coil 2500 / 2500 / 2500Vrms 109 Insulation resistance at 500V DC (initial) Shock resistance (11ms) NO/NC*2 30G Vibration resistance 10 – 200 Hz (10 – 55 Hz, amplitude 2 mm)*2 Degree of protection 10G IP67 / IP30*3 Unit weight Coil Operate / release voltage (% of Unominal at 20°C) Pick-up/nominal power consumption at 20°C 47g Important: Relay characteristics may be influenced by: 75% / 15% 280 / 500mW • strong external magnetic fields • magnetic conductive materials near the relay • narrow top-to-top mounting (printed surface to printed surface) Remarks: Note: *1 According to EN 60947-5-1: 1997, table 4 AC15 / DC13 *2 Contact interruption 0.5 >0.5 ¦ >0.5 >0.5 >0.5 >0.5 >0.5 ¦ >0.5 >0.5 State of other contacts 3 4 5 6 >0.5 ¦ >0.5 ¦ >0.5 >0.5 >0.5 >0.5 >0.5 ¦ >0.5 >0.5 ¦ >0.5 >0.5 >0.5 >0.5 >0.5 ¦ >0.5 ¦ >0.5 7 >0.5 >0.5 ¦ >0.5 >0.5 8 ¦ >0.5 >0.5 ¦ >0.5 >0.5 >0.5: contact gap is kept at min. 0.5 mm .020 inch ¦: contact closed Empty cells: either closed or open * Contact gaps are shown at the initial state. If the contacts change state owing to loading/breaking it is necessary to check the actual loading. For Cautions for Use, see Relay Technical Information. ds_61407_en_sf4d: 160117D 6