An electrical schematic diagram illustrating the wiring connections for an elevator shunt trip system, utilizing a 120-volt supply connected to a grounded neutral. A shunt trip control module integrates with a PAM-1 relay coil and a normally closed contact held open to supply power to shunt trip breakers. A secondary PAM-2 relay coil connects to a shunt voltage pilot light and a shunt voltage monitor module featuring a fire resistor and a normally closed contact held open.
120V NC COIL PAM-1 SHUNT TRIP CONTROL MODULE NC CONTACT HELD OPEN PAM-1 SHUNT TRIP BREAKER SHUNT TRIP BREAKER COIL PAM-2 SHUNT VOLTAGE PILOT LIGHT PAM-2 MM FIRE RESISTOR NC CONTACT HELD OPEN SHUNT VOLTAGE MONITOR MODULE GROUNDED NEUTRAL
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