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SIS2 sensitive Series

SIS2 sensitive Series

Product catalog summary
Features
  • Relay with forcibly guided contacts compliant with IEC 61810-3.
  • Application type A with protective separation.
  • Suitable for print mounting with a compact design.
  • Low nominal and holding power requirements.
  • Contact assembly: SIS112 SEN with 1 NO + 1 NC.
Dimensions and Mounting
  • Pin dimensions: b 1.0 x 0.3 mm, c 1.0 x 0.4 mm.
  • Recommended PCB drilling: Ø 1.3 mm.
Coil Data at 20°C
  • Nominal power: 0.2 W, Holding power: 0.04 W.
  • Coil limit temperature: 120°C.
  • Nominal voltage range: 3.0 VDC to 60.0 VDC with corresponding current and resistance values.
Insulation Data
  • Rated insulation voltage: 250 VAC.
  • Basic insulation: 4 mm air and creepage distance, 2500 Vrms test voltage.
  • Double/reinforced insulation: 10 mm air and creepage distance, 5000 Vrms test voltage.
  • Open contact test voltage: 1500 Vrms.
  • Creepage resistance: CTI 175, Pollution degree: 2, Overvoltage category: III.
Mechanical Data
  • Mechanical lifetime: 10 million operations.
  • Switching frequency: max 12 Hz.
  • Response time: 15 ms (NO closed), Drop-out time: 5 ms (NC closed).
  • Shock and vibration resistance specified for NO and NC contacts.
  • Weight: approx. 18 g, Mounting position: any, Minimum mounting distance: 1 mm.
Other Data
  • Ambient temperature range: -40°C to +85°C.
  • Thermal resistance: 55 K/W, Protection class: RT III.
  • Solder bath temperature: 270°C for 5 seconds.
  • Approvals: cULus, TÜV, Flammability class: UL 94 V-0.
Options and Accessories
  • Mounting rail socket SRD SIS3, various pin lengths and coil designs available.
  • Coils compliant with EN 50155 for railway applications.
Contact Data
  • Contact material: AgCuNi with gold plating.
  • Rated switching power: 1500 VA, Maximum switching voltage: 250 V DC/AC.
  • Switching current range: 3 mA to 6 A, Switching power range: 40 mW to 1500 W.
  • Contact resistance as new: max 100 mΩ, Short circuit resistance: 1000 A with pre-fuse.
Electrical Life and Switching Capacity
  • Electrical life for NO contacts: 90,000 operations at specified conditions.
  • Switching capacity according to IEC 61810-1 and UL 508 standards.
  • Continuous current per contact: max 6 A.
See more

Catalog excerpts

SIS2 sensitive Series-1

Relays SIS2 sensitive Series Contact data - Relay with forcibly guided contacts according to IEC 61810-3 - Application type A - Protective separation (see insulation data) - Suitable for print mounting - Small design - Low nominal and holding power - Contact assembly SIS112 SEN: 1 NO + 1 NC Contact material AgCuNi + 0,2, ..., 0,4 μm Au Type of contact Single contact with notched crown Rated switching power 1 500 VA 250 V / 6 A / AC-1 (max.) Electr. life time (0,1 Hz, rel. duty cycle 10%) 90 000 Inrush current 30 A for 20 ms Switching voltage range 5, ..., 250 V DC / AC Switching current range* 3 mA, ..., 6 A Switching power range* 40 mW, ..., 1 500 W (VA) Contact resistance as new (max.) 100 mΩ Short circuit resistance of contacts** 1 000 A with pre-fuse SCPD 6 A gG / gL (fuse) Circuit diagram (top view) * Reference values ** Prospective short-circuit current Electrical life (NO contacts) Insulation data Rated insulation voltage (IEC 60664-1) 250 VAC Basic insulation - Air and creepage distance (min.) 4 mm - Test voltage 2 500 Vrms / 1 min Double or reinforced insulation - Air and creepage distance (min.) 10 mm - Test voltage 5 000 Vrms / 1 min Open contact: Test voltage* 1 500 Vrms / 1 min Creepage resistance CTI 175 Pollution degree 2 Overvoltage category III Insulation resistance (min.) 100 MΩ - Test voltage 500 VDC * Initial value Mechanical data Pin dimension b Pin dimension c Recommended drilling on PCB Nominal power Holding power Coil limit temperature Switching capacity (IEC 61810-1) AC-1: 240 V / 6 A MAX AC-15: 240 V / 3 A MAX DC-1: 24 V / 6 A MAX DC-13: 24 V / 5 A / 0,1 Hz MAX Switching capacity (UL 508) Continuous current per contact at load of: 1 contact Contact load limit curve (DC) 6 3 1 * without coil wiring  Other data Ambient temperature Thermal resistance Protection class Solder bath temperature Test method (heating) Approvals Flammability class UL File Mounting rail socket SRD SIS3 Pin lengths for mounting rail socket 3,8 mm Other pin lengths possible Other coil designs possible Coils accord. to EN 50155 (railway applications) possible Test conditions: - Graph 1: Contact current 4 A MAX - Graph 2: without previous operation - Free-standing relay on PCB - Duty cycle 100% ELESTA GmbH, Heuteilstrasse 18, CH - 7310 Bad Ragaz, Switzerland Type designation Number of contacts NO Number of contacts NC Connection technology Nominal coil voltage sensitive coil Options -40 °C, ..., +85 °C 55 K / W RT III 270 °C / 5 s A (group assembly) cULus, TÜV UL 94 V-0 E188 953 Sec. 5 Options, Accessories Excitation voltage range Mechanical lifetime (min.) 10 x 106 operations Switching frequency (max.) 12 Hz Response time (NO closed) (typ.) 15 ms Drop-out time (NC closed) (typ.)* 5 ms Bounce time (typ.) NO: 2 ms / NC: 15 ms Shock resistance (16 ms) (min.) NO: 17g / NC: 7g Vibration resistance (10-200 Hz) (min.) NO: 7g / NC: 2g Weight approx. 18 g Mounting position any Mounting distance (

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