Product Specification Guide
Model Motor Starter Advanced Control (MSAC)

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All requirements for MSSC plus the following:

The starter shall provide a provision for Fireman’s Override operation. When activated, the starter must run the motor in any mode (Hand, Off or Auto) regardless of other inputs or lack of inputs either manual or auto. If the starter is controlled by a ﬁre alarm or life safety system, the starter shall include an Emergency Shutdown input which will disable the starter from operating in either Hand or Auto mode regardless of other inputs either manual or auto.

In applications where the motor is interlocked with a damper or valve and 24VDC actuator, control must be available within the starter enclosure. The starter must be able to provide a voltage output to operate the actuator to open the damper or valve without closing the motor circuit. The starter will only close the motor circuit and start the motor after it has received a contact closure from a limit or end switch conﬁrming the damper or valve position.

In the event of a power failure, starter shall also be capable of restart with 10 second delay, or restart in “off” mode.

Starter must contain a Normally Open contact which closes when an overload trip condition occurs.

The starter or combination starter shall be UL Listed.