SIR 4 Series Circuit Diagram (view on relay upper side) - PCB Relay with forcibly guided contacts - Protective separation between coil/control contacts (>10 mm) as well as protective separation between the output contacts themselves (>8 mm) - EN50205 type A - Contact mounting: SIR312 3 NO / 1 NC SIR222 2 NO / 2 NC - Small external dimensions - Nominal coil power 0,6 W - Holding coil power 0,18 W - Coils for railway applications (EN 50155) on request 33 43 34 44 33 43 34 44 12 23 12 22 11 24 11 21 SIR312 Contact Lifetime NO-Contacts 10000 Operations x 1000 → Relay Key Data SIR222 Dimensions A2 A1 A2 2,9 0,7 30,7 Insulation Data 0,4 1,9 21 3 3 10 3 5 10,5 5 1,9 Ø 1,3 21 5 10,5 5 3 1 10 3 [mm] 3 Contact Data Contact material AgSnO2 + 0,2 μm Au Type of contact Crest contact Rated switching capacity 250 VAC 10 A AC1 2500 VA Electr. life AC 1(360 cycles / h) approx.100000 Inrush current max. 25 A for 20 ms Switching voltage range 5 to 250 VDC / VAC Switching current range* 10 mA to 10 A Switching capacity range* 60 mW to 2500 W(VA) Contact resistance (as delivered) ≤100 mΩ / 6 V / 100 mA *Guided values Standard coils for direct current Drop-out voltage at 20 °C Nominal current in mA Resistance in Ohm at 20 °C 5 6 12 18 24 48 60 110 Min. pick-up voltage at 20 °C Nominal voltage VDC (other voltages on request) 3,5 4,2 8,4 12,6 16,8 33,6 42,0 77,0 ≥0,5 ≥0,6 ≥1,2 ≥1,8 ≥2,4 ≥4,8 ≥6,0 ≥11,0 121,0 100,0 50,0 33,3 25,2 12,6 10,0 5,5 41 ± 10% 60 ± 10% 240 ± 10% 540 ± 10% 950 ± 10% 3800 ± 10% 6000 ± 13% 20000 ± 15% - Basic insulation at 250 VAC - Air and creepage distance >4 mm - Test voltage 2500 V / 50 Hz / 1 min - Double or reinforced insulation at 250 VAC - Air and creepage distance >8 mm - Test voltage 4000 V / 50 Hz / 1 min - Double or reinforced insulation at 250 VAC - Air and creepage distance >10 mm - Test voltage 5000 V / 50 Hz / 1 min Test voltage contact oopen 1500 V / 50 Hz / 1 min Creepage resistance CTI 250 Pollution degree 2 Overvoltage category III Insulation resistance at Up 500 VDC >100 MΩ 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 >10 x 106 operations 15 Hz typically 15 ms typically 4 ms typically 6 ms typically 12 ms NO > 10g NC > 6g Vibration resistance NO > 5g (10-200 Hz) NC > 1,5g Resistance to short circuiting contacts 1000 A SCPD 10 A gG / gL (pre-fuse) Ambient temperature -40°C to +70°C Thermal resistance 55 K / W Temperature limit for coil 120°C Weight ca. 30 g Mounting position any Type of protection RT II Solder bath temperature 270°C / 5 s **without spark suppression Approvals UL File E188953 Insulation class IEC 60664-1 Protection class II Fire protection requirements 100 DC 13: 24V 10 0,1 0,5 1,0 Switching Current (A) → Sec. 3 250 VAC VDE 0106 UL 94 / V0 Options, Accessories 5,0 Load Limit Curve with Direct Current 10 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) → 1) Inductive load L/R 40 ms 2) Resistive load 2,5 2,0 1 1,5 1,0 2 0 20 40 60 Ambient Temperature °C → No heat accumulation due to intrinsic heating of other components. Continuous duty 100%. 24VDC +41 (0)81 303 54 00 +41 (0)81 303 54 01 80 100 1) Max. excitation voltage with contact load: ≤6 A 2) Min. excitation voltage (guaranteed values) without previous operation 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: 250 3,0 Product Key SIR 3 1 2 200 Excitation Voltage Range Page 31 PCB socket 10 Maximal contact load at AC 1 with 230 V: 2 contacts with 10 A each 3 contacts with 8,4 A each 0,5 UB UN 0 Tests, Regulations DC 1: 24V AC 15: 230V Maximal switching characteristics (DIN EN60947-5-1, Tab. C2) AC 15: 230 V / 5 A DC 13: 24 V / 7,5 A / 0,1 Hz UL 508: C600 / R300 Current (A) → A1 16 46,4 AC 1:230V 1000 © Copyright 11/2014