SIF 4 Series Circuit Diagram (view on relay upper side) - PCB Relay with forcibly guided contacts - Protective separation between coil and contacts (>5,5 mm) and contacts side by side (>5,5 mm) - EN50205 type A - Double and reinforced insulation - SMD arrangement below relay possible - Contact Mounting: SIF222 2 NO / 2 NC SIF312 3 NO / 1 NC - Compact height: only 10,9 mm - Nominal coil power 0,70 W - Holding coil power 0,21 W - For railway application (EN50155) on request 43 33 29,4 23,2 1,2 1 4,2 15,8 10,5 18,2 6,4 7,5 7,5 7,5 1,6 28,3 5,1 [mm] 12 A1 10000 A2 SIF312 Insulation Data - Double or reinforced insulation at 250 VAC - Air and creepage distance >5,5 mm - Test voltage 4000 V / 50 Hz / 1 min Test voltage contact open 1500 V / 50 Hz / 1 min Creepage resistance CTI 175 Pollution degree 2 Overvoltage category III Insulation resistance at Up 500 VDC >100 MΩ * Do not drill when SMD arrangement ** Open breathing hole Contact Data Contact material AgCuNi + 0,2 µm Au Type of contact Single contact with notched crown Rated switching capacity 250 VAC 8 A AC1 2000 VA Electr. life AC 1(360 cycles / h) approx.100000 Inrush current max. 30 A for 20 ms Switching voltage range 5 to 250 VDC / VAC Switching current range* 3 mA to 8 A Switching capacity range* 40 mW to 2000 W(VA) Contact resitance (as delivered) ≤100 mΩ / 6 V / 100 mA *Guided values Standard coils for direct current Nominal voltage VDC Min. pick-up voltage at 20 °C Drop-out voltage at 20 °C Nominal current in mA Resistance in Ohm at 20 °C (other voltages on request) 5 12 18 20 24 48 60 110 ≤3,5 ≤8,4 ≤12,6 ≤14,0 ≤16,8 ≤33,6 ≤42,0 ≤77,0 ≥0,5 ≥1,2 ≥1,8 ≥2,0 ≥2,4 ≥4,8 ≥6,0 ≥11,0 140,0 58,5 39,1 35,0 29,2 14,6 11,7 6,3 35,7 ± 10% 205 ± 10% 460 ± 10% 570 ± 10% 820 ± 10% 3280 ± 10% 5100 ± 13% 17250 ± 15% >10 x 106 operations 15 Hz typically 12 ms typically 5 ms typically 1,5 ms typically 15 ms NO > 15g NC > 5g NO > 10g NC > 2g Vibration resistance (10-200 Hz) Resistance to short circuiting NO 1000 A SCPD 10 A gG / gL (pre-fuse) Resistance to short circuiting NC 1000 A SCPD 6 A gG / gL (pre-fuse) Ambient temperature -40°C to +70°C Thermal resistance 60 K / W Temperature limit for coil 120°C Weight ca. 20 g Mounting position any Type of protection RT II Solder bath temperature 270°C / 5 s **without spark suppression AC 1:230V 100 DC 13: 24V 10 0,1 0,5 1,0 Switching Current (A) → 5,0 10 Load Limit Curve with Direct Current 10 8 6 4 3 2 1 0,8 0,6 0,4 0,3 0,2 1 2 0,1 50 100 0 Voltage (VDC) → 150 200 250 80 100 1) Inductive load L/R 40 ms 2) Resistive load Excitation Voltage Range 3,0 2,5 2,0 1 1,5 Tests, Regulations 1,0 Approvals UL File E188953 Insulation class IEC 60664-1 Protection class II Fire protection requirements Options, Accessories none available Sec. 6 250 VAC VDE 0106 UL 94 / V0 0,5 UB UN 0 2 0 20 40 60 Ambient Temperature °C → 1) Max. excitation voltage with contact load: ≤5 A 2) Min. excitation voltage (guaranteed values) without previous operation No heat accumulation due to intrinsic heating of other components. Continuous duty 100%. Product Key SIF 3 1 2 24VDC Coil voltage Soldering tags Number of NC contacts Number of NO contacts Type designation ELESTA GmbH, Heuteilstrasse 18, Fon: CH - 7310 Bad Ragaz, Switzerland Fax: DC 1: 24V AC 15: 230V Maximal contact load at AC 1 with 230 V: 2 contacts with 8 A each 3 contacts with 6 A each Additional Data Mechanical endurance Switching frequency, mechanical Response time (all NO closed) Drop-out time** (all NC closed) Bounce time of NO contact Bounce time of NC contact Shock resistance 16 ms 1000 Maximal switching characteristics (DIN EN 60947-5-1) AC 1: 250 V / 8 A AC 15: 230 V / 5 A DC 1: 24 V / 8 A DC 13: 24 V / 5 A / 0,1 Hz UL 508: B300 / R300 Current (A) → 4,2 Ø1,3 7,6 3,1 3,1 4,8 2,9 4,2 3,1 15,4 21 23,2 4,2 3,1 3,1 2,2 10,9 5,1 1,6 0,5 1,5 A2 SIF222 41 37,8 1,5 7,6 24 11 12 A1 34 23 22 11 44 33 34 21 Dimensions 43 44 Contact Lifetime for NO Contacts Operations x 1000 → Relay Key Data +41 (0)81 303 54 00 +41 (0)81 303 54 01 © Copyright 11/2014