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K70 Datasheet, PDF (1/1 Pages) Altech corporation – Enclosure
KILOVAC High Voltage Relays
K70 Series Make Only Load Switching — 70 kV Relays
K70A and K70B
Product Facts
n New, small, compact 70 kV
relay package
n SF-6 gas-filled for
capacitive discharge and
high voltage isolation
applications
n Suitable for charging and
discharging of high voltage
capacitors
n Safe for use in adverse
environments
K70C
Product Facts
n SPDT version of K70A
n SF-6 gas-filled for
capacitive discharge and
high voltage isolation
applications
n Suitable for charging and
discharging of high voltage
capacitors
Product Specifications for
K70A, K70B and K70C
Contact Arrangement —
K70A — SPST-NO
K70B — SPST-NC
K70C — SPDT
Contact Form —
K70A — A
K70B — B
K70C — C
Test Voltage, DC or 60 Hz (Peak) —
75 kV
Rated Operating Voltage (Peak) —
DC — 70 kV
60 Hz RMS — 30 kV
Continuous Carry Current, Max. —
DC or 60 Hz — 10 A
Coil Hi-Pot (Vrms, 60 Hz) — 500 A
Contact Capacitance —
Between Open Contacts — N/A
Open Contacts to Ground — N/A
Contact Resistance, Max. —
2.0 ohm*
For factory-direct application assistance,
dial 800-253-4560, ext. 2055, or
805-220-2055.
Operate Time, Max. — 20 ms
Release Time, Max. — 15 ms
Shock, 11ms, 1/2 Sine (Peak) —
20 g
Vibration —
Peak — 10 g (55 to 500 Hz)
Operating Ambient Temperature
Range — 0°C to +85°C
Mechanical Life —500,000 cycles
Weight, Nominal —
510.3 g (18 oz.)
Note:
*Contact resistance for gas-filled
relays measured at 28 Vdc, 1 Amp
Coil Data
Volts, Nominal
26.5 Vdc
Pickup, Max.
22 Vdc
Dropout
1-10 Vdc
Coil Resistance (±10%) 75 Ω
Ratings listed are for 25°C, sea level
conditions
Ordering Information
Sample Part Number ᮣ
Series:
Contact Form:
A = SPST-NO
B = SPST-NC
Coil Voltage:
8 = 26.5 Vdc, Turret Terminal
High Voltage Connections:
4 = Flying Leads, 12"
7 = Flying Leads, 72"
8 = Flying Leads, 36"
Mounting:
1 = Threaded
K70 A 8 4 1
C = SPDT
7–86
Catalog 5-1773450-5
Revised 3-13
www.te.com
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
Dimensions are in millimeters USA: +1 800 522 6752
unless otherwise specified. Asia Pacific: +86 0 400 820 6015
UK: +44 800 267 666
For additional support numbers
please visit www.te.com