Museum Technology Source KD-1 User Manual

6' 6" Cord
.110" OD

KD-1 Internal Circuit

Internal Reverse
Polarity Protection

Control
Logic

NPN
Output
Transistor

+V

Brown

Output

Black

0 V
Blue

External Circuit

Relay Coil

CathodeCathode

AnodeAnode

IMPORTANT

Diode such as 1N4004
must be placed as shown
across relay or solenoid
coil.

Power Supply

+

POSITIVE

10 to 30
VDC to
match
relay

NEGATIVE

-

Connecting KD-1 to External Device

KD-1 requires a supply voltage in the range of
12 to 30 volts DC. Current draw 15 mA (.015 Ampere)

KD-1 Dimensions

Internal Reverse
Polarity Protection

Control
Logic

NPN
Output
Transistor

The KD-1 will switch ON when a finger is held within
approximately 3/8 inch of the target. The KD-1 may
be mounted behind non-metallic material such as
Plex-glas or MDF. In general, this material should
be no thicker than 1/4 inch.

+V

Brown

Output

Black

0 V
Blue

Connect to positive supply voltage

Connect to device to be activated

Conducts to common terminal when active

Connect to Negative of power supply.

Also connects of common of circuit being switched.

Supply Voltage: 12 to 30 VDC
@15 mA

Max Current: 100 mA
Max On State

Output Voltage: 1.5 V

Limit current through output transistor
(Black lead) to 100 mA. Exceeding this
limit may result in damage to the KD-1

KD-1 CAPACITANCE SWITCH

INSTALLATION SHEET

March 2004

Revised April 4 2006

Museum Technology Source Inc.

Wilmington Massachusetts 01887

800-729-6873 978-657-3898

www.museumtech.com