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SGR282 ZK Series

SGR282 ZK Series

Product catalog summary
Overview
The document provides technical specifications for the SGR282 ZK Series relays by ELESTA GmbH, designed with forcibly guided contacts compliant with IEC 61810-3 standards. These relays are suitable for print mounting and offer protective separation.

Specifications
  • Contact Assembly: SGR282 ZK features 2 CO contacts, while VAR1 and VAR2 variants have 1 NO + 1 NC contacts.
  • Dimensions: Pin dimensions are 1.0 x 0.2 mm and 1.0 x 0.3 mm, with recommended PCB drilling of Ø 1.3 mm.
  • Coil Data: Nominal power is 0.70 W, with a holding power of 0.21 W and a coil limit temperature of 120 °C.
  • Nominal Voltage Range: From 5.0 VDC to 110.0 VDC, with varying pick-up and drop-out voltages.

Insulation Data
  • Rated Insulation Voltage: 250 VAC with double or reinforced insulation.
  • Test Voltage: Up to 5,000 Vrms for 1 minute.
  • Creepage Resistance: CTI 550, Pollution Degree 2, Overvoltage Category III.

Mechanical Data
  • Mechanical Lifetime: Minimum of 10 million operations.
  • Switching Frequency: Maximum of 15 Hz.
  • Response and Drop-out Times: 12 ms and 5 ms respectively.
  • Shock and Vibration Resistance: Varies for NO and NC contacts.

Environmental and Other Data
  • Ambient Temperature: Ranges from -40 °C to +70 °C.
  • Protection Class: RT II, with a solder bath temperature of 270 °C for 5 seconds.
  • Approvals: cULus, TÜV, with flammability class UL 94 V-1.

Contact Data
  • Contact Material: AgCuNi with gold plating.
  • Rated Switching Power: 2,000 VA, with a maximum of 250 V / 8 A / AC-1.
  • Electrical Life: 100,000 operations at 0.1 Hz.
  • Switching Voltage and Current Range: 5 to 250 V DC/AC and 4 mA to 8 A respectively.

Options and Accessories
  • Mounting Rail Socket: SRD SGR2, SRD SGR2A KV2, SRD SGR2A KV2 PIK.
  • PCB Socket: SRP SGR2.
  • Other Coil Designs: Available upon request.
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Catalog excerpts

SGR282 ZK Series-1

Contact data - Relay with forcibly guided contacts according to IEC 61810-3 - Application type B and application type A (for VAR1 and VAR2) - Protective separation (see insulation data) - Suitable for print mounting - Contact assembly SGR282 ZK: 2 CO, SGR282 ZK VAR1 / VAR2: 1 NO + 1 NC Contact material AgCuNi + 0,2, ..., 0,4 μm Au Type of contact Single contact with notched crown Rated switching power 2 000 VA 250 V / 8 A / AC-1 (max.) Electr. life time (0,1 Hz, rel. duty cycle 10%) 100 000 Inrush current 15 A for 20 ms Switching voltage range 5, ..., 250 V DC / AC Switching current range* 4 mA, ..., 8 A Switching power range* 50 mW, ..., 2 000 W (VA) Contact resistance as new (max.) 100 mΩ Short circuit resistance of NO contacts** 1 000 A with pre-fuse SCPD 10 A gG / gL (fuse) Short circuit resistance of NC 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) Pin dimension a Pin dimension b Recommended drilling on PCB Nominal power (typ.) Holding power (typ.) Coil limit temperature Switching capacity (IEC 61810-1) AC-1: 240 V / 8 A MAX AC-15: 240 V / 5 A MAX DC-1: 24 V / 8 A MAX DC-13: 24 V / 6 A / 0,1 Hz MAX Switching capacity (UL 508) Continuous current per contact at load of: 1 or 2 contacts Contact load limit curve (DC) * without coil wiring  Other data -40 °C, ..., +70 °C 50 K / W RT II 270 °C / 5 s A (group assembly) cULus, TÜV UL 94 V-1 E188 953 Sec.1 Options, Accessories Mechanical lifetime (min.) 10 x 106 operations Switching frequency (max.) 15 Hz Response time (NO closed) (typ.) 12 ms Drop-out time (NC closed) (typ.)* 5 ms Bounce time (typ.) NO: 4 ms / NC: 8 ms Shock resistance (16 ms) (min.) NO: 10g / NC: 2,5g Vibration resistance (10-200 Hz) (min.) NO: 10g / NC: 1,5g Weight approx. 20 g Mounting position any Mounting distance (min.) 5 mm Ambient temperature Thermal resistance Protection class Solder bath temperature Test method (heating) Approvals Flammability class UL File Rated insulation voltage (IEC 60664-1) 250 VAC Double or reinforced insulation - Air and creepage distance (min.) 5,5 mm - Test voltage 4 000 Vrms / 1 min Double or reinforced insulation - Air and creepage distance (min.) 14 mm - Test voltage 5 000 Vrms / 1 min Open contact: Test voltage* 1 500 Vrms / 1 min Creepage resistance CTI 550 Pollution degree 2 Overvoltage category III Insulation resistance (min.) 100 MΩ - Test voltage 500 VDC * Initial value Insulation data Excitation voltage range Mounting rail socket SRD SGR2, SRD SGR2A KV2, SRD SGR2A KV2 PIK PCB socket SRP SGR2 Other coil designs 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 designa

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