G81A - G81B 10kV Make and Break Load Switching Relay 10 kv relay  
 Make & Break Load Switching
G81 A - G81 B
G81B HIGH VOLTAGE RELAY  
For more information, refer to
Relay User Instructions
 
High Voltage Relay Features
  Smallest profile available for a high power 10kV relay
  Four standard mechanical configurations offer extreme mounting and connection versatility
  Standard options provide for increased current handling capability
  Durable tungsten contacts for hot load switchingasteriks
  Vacuum dielectric for effective arc quenching when opening under loadasteriks
asteriks Consult factory for load switching applications.
G81A RELAYS
High Voltage Relay Specifications
 Contact & Relay Ratings Units G81A G81B
 Contact Form A B
 Contact Arrangement SPST-NO SPST-NC
 Voltage, Test Max., Contacts
 (15 µA Leakage Max., dc or 60Hz)		 kV Peak 11 11
 Voltage, Operating Max., Contacts & to
 Base (15 µA Leakage Max.)
      dc or 60 Hz kV Peak 10 10
      2.5 MHz kV Peak - -
      16 MHz kV Peak - -
      32 MHz kV Peak - -
 Current, Continuous Carry Max
      dc or 60 Hz Amps 5, 20 or 30asteriks 5, 20 or 30asteriks
      2.5 MHz Amps - -
      16 MHz Amps - -
      32 MHz Amps - -
 Coil Hi-Pot (V RMS, 60 Hz) V - -
 Capacitance
      Across Open Contacts pF - -
      Contacts to Ground pF - -
 Resistance, Contact Max @ 1A, 28Vdc ohms 0.03 0.03
 Operate Time ms 10 10
 Release Time ms 10 10
 Life, Mechanical cycles 2 million 2 million
 Weight, Nominal g (oz) 56 (2) 56 (2)
 Vibration, Operating, Sine (55-500  Hz  Peak) G's 10 10
 Shock, Operating, 1/2 Sine11ms (Peak) G's 30 30
 Temperature Ambient Operating °C -55 to +85 -55 to +85
High Voltage Relays - Coil Ratings
 Nominal, Volts dc 12 26.5 115
 Pick-up, Volts dc, Max. 8 16 80
 Drop-Out, Volts dc .5 - 5 1 - 10 5 - 50
 Coil Resistance
 (Ohms  ±10%)		 70 290 4700
Ratings listed are for 25°C, sea level conditions
G81 A 3 3 5
 Contact Form
 A = SPST-NO
 B = SPST-NC

 Coil Voltage 
 2 = 12 Vdc, PC Pins
 3 = 26.5 Vdc, PC Pins
 5 = 115 Vdc, PC Pins
 A = 12 Vdc, Panel Mount
 B = 26.5 Vdc, Panel Mount
 C = 115 Vdc, Panel Mount
 High Voltage Connections
 Aasteriksasteriks = PCB Pins - 20 Amp
 3 = PCB Pins - 5 Amp
 4 = Flying Leads
 5 = Stud Terminals
 Mounting
 5 = PC Board
 7 = Panel Mount
asteriks PC pin versions carry 5 or 20 amps, see part number above. Flying lead and panel versions carry 30 amps.
asteriksasteriks Power terminal on 20 amp version is a larger diameter than on the 5 amp version. 04/03/08
GIGAVAC HV Relays GIGAVAC® - P.O. Box 4428 - Santa Barbara, CA 93140-4428 - ph +(805) 684-8401 - +(805) 755-2000  
fx +(805) 684-8402 -   - www.gigavac.com - ©Copyright 2003-2008 GIGAVAC, LLC.