SIR 4 sensitive Series Relay Key Data Circuit Diagram (relay top view) Contact Lifetime NO Contacts - PCB relay with forcibly guided contacts - Protective separation between coil/control contacts and output contacts (>10 mm), as well as output contacts to each other (>8 mm) - IEC 61810-3 Type A - Contact mounting: SIR312 3 NO / 1 NC SIR222 2 NO / 2 NC - Small external dimensions - Nominal coil power 0,36 W - Holding coil power 0,12 W - Coil for railway application according EN 50155 on request Insulation Data - Test voltage2500 V / 50 Hz / 1 min - Double or reinforced insulation at 250 VAC - ■ — ■ - - Air and creepage distance >8 mm - Test voltage4000 V / 50 Hz / 1 min - Double or reinforced insulation at 250 VAC ^■ - Air and creepage distance >10 mm - Test voltage5000 V / 50 Hz / 1 min Test voltage contact open1 500 V / 50 Hz / 1 min Creepage resistance CTI 250 Pollution degree2_ Overvoltage category III Maximal switching characteristics (DIN EN60947-5-1, Tab.C2) AC 15: 230 V / 5 A Maximal contact load at AC 1 with 230 V: 2 contacts with 10 A each 3 contacts with 8,4 A each Load Limit Curve with Direct Current Additional Data Contact Data Contact materialAgSnO2 + 0,2 pm Au Type of contact crown contact Rated switching capacity 250 VAC 10 A AC1 2500 VA 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 mfi / 6 V / 100 mA Mechanical endurance Switching frequency, mechanical Response time (all NO closed) Drop-out time** (NC closed) Bounce time of NO contact Bounce time of NC contact_ >10 x 106 operations 15 Hz typically 18 ms typically 5 ms typically 6 ms typically 12 ms NO > 10g NC > 6g NO > 5g NC > 1,5g *Guided values Resistance to short circuiting contacts 1000 A SCPD 10 A gG / gL (pre-fuse) Ambient temperature 1) Inductive load L/R 40 ms 2) Resistive load Excitation Voltage Range Standard Coils for Direct Current Thermal Resistance (other voltages on request) Temperature limit for coil Mounting position Mounting distance Test method Solder bath temperature **without spark suppression Tests, Regulations, Standards UL File E188953Sec. 3 Insulation class IEC 60664-1250 VAC Fire protection requirements UL 94 / V0 Options, Accessories Print socket 1) Max. excitation voltage with contact load: <6 A (2 contacts) 2) Min. excitation voltage (guaranteed values) without previous operation Single relay on print, no heat accumulation due to surrounding components with self-heating, duty cycle 100%. _Sensitive coil _Nominal voltage _Solder terminals Number of NC contacts Number of NO contacts _Type designation