SIS 4 Series Relay Key Data Circuit Diagram (relay top view) Contact Lifetime for NO Contacts - PCB relay with forcibly guided contacts - Protective separation between control and load circuit (leakage and creepage distances > 8 mm) - IEC 61810-3 Type A - Double and reinforced insulation between the contacts - Contact mounting: SIS312 3 NO / 1 NC SIS222 2 NO / 2 NC - Small external dimensions - Nominal coil power 0,5 W - Holding coil power 0,15 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 >5,5 mm - Test voltage4000 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 Test voltage contact open 1500 V / 50 Hz / 1 min Creepage resistanceCTI 175 Pollution degree2_ Overvoltage categoryIII Insulation resistance at Up 500 VDC>100 MQ Maximal switching characteristics (EN60947-5-1) AC 1: 250 V / 6 A Maximal contact load at AC 1 with 230 V: 2 contacts with 6 A each 3 contacts with 4 A each Additional Data 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_ Contact Data Contact materialAgCuNi +0,2-0,4 pm Au Type of contact Single contact with notched crown Rated switching capacity250 VAC 6 A AC1 1500 VA Electr. Life AC1(360 S / h) >90000 Inrush current max.30 A for 20 ms Switching voltage range5 to 250 VDC / VAC Switching current range*3 mA to 6 A Switching capacity range*40 mW to 1500 W(VA) Contact resistance (as delivered) <100 mQ / 6 V / 100 mA *Guided values >10 x 106 operations 15 Hz typically 15 ms typically 5 ms typically 2 ms typically 15 ms NO > 10g NC > 10g NO > 10g NC > 4g Resistance to short circuiting contacts 1000 A SCPD 6 A gG / gL (pre-fuse) Standard Coils for Direct Current Ambient temperature Thermal Resistance Temperature limit for coil Weight Mounting position Mounting distance Test method Type of protection Solder bath temperature -40°C to +85°C _45 K / W 120°C approx. 30 g any _rec. >1 mm A / group assembly RT III 270°C / 5 s Excitation Voltage Range (other voltages on request) **without spark suppression Tests, Regulations, Standards Insulation class IEC 60664-1 Fire protection requirements_ Options, Accessories none available 1) Max. excitation voltage with contact load: <4 A 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%. _Contact variant _Nominal voltage _Solder terminals Number of NC contacts Number of NO contacts _Type designation