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SIR6 sensitive Series

SIR6 sensitive Series

Product catalog summary
Overview: The document provides technical specifications for the SIR6 sensitive series relays by ELESTA GmbH, designed with forcibly guided contacts compliant with IEC 61810-3 standards. These relays are suitable for print mounting and feature small dimensions, low power consumption, and protective separation.
Specifications:
  • Contact Assembly: SIR332 SEN (3 NO + 3 NC), SIR422 SEN (4 NO + 2 NC), SIR512 SEN (5 NO + 1 NC).
  • Dimensions: Pin dimension is 1.0 x 0.4 mm, recommended PCB drilling is Ø 1.3 mm.
  • Coil Data: Nominal power is 0.5 W, holding power is 0.18 W, and coil limit temperature is 120 °C.
  • Insulation: Rated insulation voltage is 250 VAC with various test voltages for basic and reinforced insulation.
  • Mechanical Data: Minimum mechanical lifetime is 10 million operations, with a maximum switching frequency of 15 Hz.
  • Environmental: Operating temperature range is -40 °C to +70 °C, with a thermal resistance of 55 K/W.
Electrical Characteristics:
  • Contact Material: AgSnO2 with 0.2 to 0.4 μm Au.
  • Rated Switching Power: 2,500 VA, with a maximum of 250 V / 10 A / AC-1.
  • Switching Voltage Range: 5 to 250 V DC/AC.
  • Switching Current Range: 10 mA to 10 A.
  • Electrical Life: 100,000 operations at 0.1 Hz and 10% duty cycle.
Approvals and Standards: The relays are approved by cULus and TÜV, with a flammability class of UL 94 V-0. They comply with UL File E188 953 Sec. 3.
Options and Accessories: Other coil designs are available, including those compliant with EN 50155 for railway applications.
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Catalog excerpts

SIR6 sensitive Series-1

Relays SIR6 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 outer dimensions - Low nominal and holding power - Contact assembly SIR332 SEN: 3 NO + 3 NC, SIR422 SEN: 4 NO + 2 NC, SIR512 SEN: 5 NO + 1 NC Contact material AgSnO2 + 0,2, ..., 0,4 μm Au Contact type crown contact Rated switching power 2 500 VA 250 V / 10 A / AC-1 (max.) Electr. life time (0,1 Hz, rel. duty cycle 10%) 100 000 Inrush current 25 A for 20 ms Switching voltage range 5, ..., 250 V DC / AC Switching current range* 10 mA, ..., 10 A Switching power range* 60 mW, ..., 2 500 W (VA) Contact resistance as new (max.) 100 mΩ Short circuit resistance of contacts** 1 000 A with pre-fuse SCPD 10 A gG / gL (fuse) Circuit diagram (top view) * Reference values ** Prospective short-circuit current Electrical life (NO contacts) Pin dimension c Recommended drilling on PCB Insulation data Rated insulation voltage (IEC 60664-1) Basic insulation - Air and creepage distance (min.) - Test voltage Double or reinforced insulation - Air and creepage distance (min.) - Test voltage Double or reinforced insulation - Air and creepage distance (min.) - Test voltage Open contact: Test voltage* Creepage resistance Pollution degree Overvoltage category Insulation resistance (min.) - Test voltage 250 VAC 4 mm 2 500 Vrms / 1 min 8 mm 4 000 Vrms / 1 min 10 mm 5 000 Vrms / 1 min 1 500 Vrms / 1 min CTI 250 2 III 100 MΩ 500 VDC * Initial value Nominal power Holding power (typ.) Coil limit temperature Switching capacity (IEC 61810-1) AC-1: 240 V / 10 A MAX AC-15: 240 V / 5 A MAX DC-1: 24 V / 10 A MAX DC-13: 24 V / 7,5 A / 0,1 Hz MAX Switching capacity (UL 508) Continuous current per contact at load of: 1 or 2 contacts 3 contacts 4 contacts 5 contacts Contact load limit curve (DC) Excitation voltage range Mechanical data Mechanical lifetime (min.) 10 x 106 operations Switching frequency (max.) 15 Hz Response time (NO closed) (typ.) 18 ms Drop-out time (NC closed) (typ.)* 5 ms Bounce time (typ.) NO: 6 ms / NC: 12 ms Shock resistance (16 ms) (min.) NO: 10g / NC: 6g Vibration resistance (10-200 Hz) (min.) NO: 5g / NC: 2g Weight approx. 35 g Mounting position any Mounting distance (min.) 5 mm * without coil wiring  Other data Ambient temperature Thermal resistance Protection class Solder bath temperature Test method (heating) Approvals Flammability class UL File -40 °C, ..., +70 °C 55 K / W RT II 270 °C / 5 s A (group assembly) cULus, TÜV UL 94 V-0 E188 953 Sec. 3 Options, Accessories Other coil designs possible Coils accord. to EN 50155 (railway applications) possible Test conditions: - Graph 1: Contact current 6 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

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.