131 Eisenhower Lane North
Lombard, IL 60148
630.268.0010 / 1.800.251.2408
P/N 53-00066-100 Rev. B 030905
www.intellitec.com
Intellitec
SERVICE MANUAL
BATTERY DISCONNECT
To open the relay, +12 volts is applied to the “S” terminal and ground on the “I” terminal. When this is
done, the plunger is again pulled into the coil. However, since the magnetic polarity of the coil is reversed,
the rod magnet is repelled (like poles oppose), and swings out of the way. See FIGURE 3
When the voltage is removed from the coil, the plunger gets pushed upwards by the return spring, breaking
the connection between the two large terminals. See FIGURE 4.
3
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