SIF 6 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: SIF422 4 NO / 2 NC -- Compact height: only 10,9 mm -- Nominal coil power 0,66 W -- Holding coil power 0,20 W -- For railway application (EN50155) on request 54 34 12 1,2 2,2 ** 1,5 3,3 4,1 3,1 Ø1,3 * [mm] 21 22 A2 1,5 -- Double or reinforced insulation at 250 VAC -- Air and creepage distance >5,5 mm -- Test voltage 4000 V / 50 Hz / 1 min 1500 V / 50 Hz / 1 min Test voltage contact oopen Creepage resistance CTI 175 Pollution degree 2 Overvoltage category III Insulation resistance at Up 500 VDC >100 MΩ Additional Data 3,1 1,6 11 44 * 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 resistance (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 ≥11,0 133,3 55,8 38,9 33,3 27,5 13,8 11,1 6,0 37,5 ± 10% 215 ± 10% 490 ± 10% 600 ± 10% 870 ± 10% 3460 ± 10% 5400 ± 13% 18300 ± 15% Mechanical endurance >10 x 106 operations Switching frequency, mechanical 15 Hz Response time (all NO closed) typically 20 ms Drop-out time** (all NC closed) typically 8 ms Bounce time of NO contact typically 1,5 ms typically 15 ms Bounce time of NC contact Shock resistance 16 ms NO > 10g NC > 6g Vibration resistance NO > 10g (10-200 Hz) NC > 2g 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 47 K / W Temperature limit for coil 120°C Weight ca. 35 g Mounting position any Type of protection RT II Solder bath temperature 270°C / 5 s AC 1:230V DC 13: 24V 10 0,1 0,5 1,0 Switching Current (A) → 5,0 10 Maximal switching characteristics (DIN EN 60947-5-1) AC 1: 250 V / 8 A AC 15: 230 V / 5 A 24 V / 8 A DC 1: DC 13: 24 V / 5 A / 0,1 Hz UL 508: B300 / R300 Maximal contact load at AC 1 with 230 V: 2 contacts with 8 A each 3 contacts with 6 A each 4 contacts with 4,5 A each Load Limit Curve with Direct Current 8 6 4 3 2 1 1 0,8 0,6 0,4 0,3 0,2 0,1 0 2 50 100 150 Voltage (VDC) → 200 250 1)Inductive load L/R 40 ms 2)Resistive load Excitation Voltage Range 3,0 2,5 Tests, Regulations 2,0 1 1,5 UL File E188953 Insulation class IEC 60664-1 Protection class II Fire protection requirements Options, Accessories Sec. 6 250 VAC VDE 0106 UL 94 / V0 1,0 0,5 UB UN 0 2 0 20 40 60 Ambient Temperature °C → 80 100 1)Max. excitation voltage with contact load: ≤5 A 2)Min. excitation voltage (guaranteed values) without previous operation none available Product Key SIF 422 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: AC 15: 230V 100 **without spark suppression Approvals DC 1: 24V 1000 Insulation Data 0,5 15,8 * * 33,5 30,4 1,6 15,4 7,5 7,5 1 15,8 * ** 43 Current (A) → 3,1 10,9 2,9 15,8 33 10000 64 SIF422 53,6 47,4 4,1 3,1 63 A1 Dimensions 3,1 53 Contact Lifetime for NO Contacts Operations x 1000 → Relay Key Data +41 (0)81 303 54 00 +41 (0)81 303 54 01 No heat accumulation due to intrinsic heating of other components. Continuous duty 100%. © Copyright 09/2014