1618241-5

KILOVAC High Voltage Relays 

**7** 

## **K81 A/B Series Make & Break Load Switching — 10 kV Relays** 

## **Product Facts** 

n **10 kV PC board-mount relay** 

- n **Vacuum dielectric for power switching low current loads** 

- n **Flying leads or PCB mount for high voltage connections** 

- n **Meets requirements of MIL-R-83725** 

- n **Completely sealed; suitable for test equipment** 

- n **Panel mount available for ease of mounting** 

## **Coil Data** 

## **Product Specifications** 

**Operating Ambient Temperature Range** — -55°C to +85°C 

**Contact Arrangement** — K81A — SPST-NO K81B — SPST-NC 

|**Volts, Nominal DC**<br>Pickup,Max.<br>Dropout<br>Coil Resistance(±10%)|**12 V**<br>8 Vdc<br>.5-5 Vdc<br>70Ω|**26.5 V**<br>16 Vdc<br>1-10 Vdc<br>290Ω|**115 V**<br>80 Vdc<br>5-50 Vdc<br>4700Ω|
|---|---|---|---|



**Mechanical Life** — 2 million cycles 

**Weight, Nominal** — 56.7 g (2 oz.) 

**Contact Form** — K81A — A K81B — B 

Ratings listed are for 25°C, sea level conditions 

**Test Voltage, DC or 60 Hz (Peak)** — 11 kV 

## **Notes:** 

## **Ordering Information** 

1. PC pin versions carry 5 or 20 Amps, see part number at right. Flying lead and panel versions carry 30 Amp. 

**Rated Operating Voltage (Peak)** — DC or 60 Hz — 10 kV 

**Sample Part Number K81 A 3 3 5** 

## **Series:** 

**Continuous Carry Current, Max.** — DC or 60 Hz — 5 A, 20 A or 30 A[1] Coil Hi-Pot (Vrms, 60 Hz) — N/A **Contact Resistance, Max.** — 0.03 ohm 

- *Power terminal on 20 Amp version is a larger diameter than on the 5 Amp version (.025 = 5 Amp, .064 = 20 Amp) 

## **Contact Form:** 

A = SPST-NO B = SPST-NC 

**Coil Voltage:** 2 = 12 Vdc, PC Board 3 = 26.5 Vdc, PC Board 5 = 115 Vdc, PC Board A = 12 Vdc, Stud Terminals, Panel Mount B = 26.5 Vdc, Stud Terminals, Panel Mount C = 115 Vdc, Stud Terminals, Panel Mount 

**Operate Time, Max.** — 10 ms **Release Time, Max.** — 10 ms **Shock, 11ms, 1/2 Sine (Peak)** — 30 g **Vibration** — Peak — 10 g (55 to 500 Hz) 

## **High Voltage Connections:** 

A* = PCB Solder Connection — 20 Amp 3 = PCB Solder Connection — 5 Amp 4 = Flying Leads 5 = Stud Terminals 

For factory-direct application assistance, dial 800-253-4560, ext. 2055, or 

> dial 800-253-4560, ext. 2055, or **Mounting:** 

> 805-220-2055. 5 = PC Board 7 = Panel Mount 

7–67 For additional support numbers please visit www.te.com 

Catalog 5-1773450-5 Dimensions are shown for Dimensions are in millimeters Revised 3-13 reference purposes only. unless otherwise specified. Specifications subject www.te.com to change. 

USA: +1 800 522 6752 Asia Pacific: +86 0 400 820 6015 UK: +44 800 267 666 

www.te.com 

KILOVAC High Voltage Relays 

## **K81C Series Make & Break Load Switching — 10 kV Relays** 

## **Product Facts** 

- n **SPDT version of K81** 

- n **Vacuum dielectric for power switching low current loads** 

- n **Flying lead version will carry 10 Amps continuous current** 

- n **PCB mount version will carry 5 Amps continuous current** 

## **Product Specifications** 

**Contact Arrangement** — SPDT 

**Contact Form** — C 

**Test Voltage, DC or 60 Hz (Peak)** — 11 kV 

**Rated Operating Voltage (Peak)** — DC or 60 Hz — 10 kV 

**Continuous Carry Current, Max.** — DC or 60 Hz — See Note 1 Coil Hi-Pot (Vrms, 60 Hz) — N/A **Contact Resistance, Max.** — 0.05 ohm 

**Operate Time, Max.** — 10 ms **Release Time, Max.** — 10 ms 

**Shock, 11ms, 1/2 Sine (Peak)** — 30 g **Vibration** — Peak — 10 g (55 to 500 Hz) 

**Operating Ambient Temperature Range** — -55°C to +85°C **Mechanical Life** — 2 million cycles **Weight, Nominal** — 70.87 g (2.5 oz.) 

## **Note:** 

1. 5 Amp carry for PC pin versions. 30 Amp carry for flying lead versions. 

## **Coil Data** 

|**Coil Data**||||
|---|---|---|---|
|**Volts, Nominal DC**|**12 V**|**26.5 V**|**115 V**|
|Pickup,Max.|8 Vdc|16 Vdc|80 Vdc|
|Dropout<br>Coil Resistance(±10%)|.5-5 Vdc<br>70Ω|1-10 Vdc<br>290Ω|5-50 Vdc<br>4700Ω|



Ratings listed are for 25°C, sea level conditions 

## **Ordering Information** 

**Sample Part Number** 

**Series:** 

**Contact Form:** C = SPDT 

## **K81 C 3 3 5** 

**Coil Voltage:** 2 = 12 Vdc, PC Board 3 = 26.5 Vdc, PC Board 5 = 115 Vdc, PC Board 

For factory-direct application assistance, dial 800-253-4560, ext. 2055, or 

805-220-2055. 

**High Voltage Connections:** 3 = PCB Solder Connection 4 = Flying Leads 

**Mounting:** 5 = PC Board 

7–68 

Catalog 5-1773450-5 Dimensions are shown for Dimensions are in millimeters Revised 3-13 reference purposes only. unless otherwise specified. Specifications subject www.te.com to change. 

USA: +1 800 522 6752 For additional support numbers Asia Pacific: +86 0 400 820 6015 please visit www.te.com UK: +44 800 267 666 

www.te.com