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MSA-4
Solid State Motor Starter Control Electronics

The MSA-4 is a combination of the FCOG-6100 SCR firing board and AB-02 Switch Board. These provide the user more flexibility in choosing the initial current and acceleration time of the starter. The three acceleration times and three initial current settings are provided by two rotating switches that replace the fixed resistors on the firing board. Adjusting the switch positions allows the user to determine the time required to reach the customer-supplied command signal, SIG HI.

Three Step
Open Loop
Soft Start
Tandem Starter Option

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MSA-5
Solid State Motor Starter Control Electronics

The MSA-5 is a combination of the FCOG-6100, plus the MS-400 board. This is an excellent mid-level compromise between a more complex controller and a simpler one. In addition to three acceleration times and three initial current settings, this starter provides a linear motor voltage ramp with motor voltage feedback stabilization. This package also provides the option of using a tachometer input for a linear motor speed ramp. In either configuration, the starter board supplies the gate delay command signal, SIG HI.

Three Step
Tachometer Voltage Feedback
Tandem Starter Option

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MSA-6
Solid State Motor Starter Control Electronics

The MSA-6 Motor Starter is a combination of the FCOG-6100 and the CR-400 current regulator board. This combination of boards is used where current regulation is required. Input current signals are provided by customer-supplied CTs to the CR-400 board, where current regulation occurs. This alternative features an adjustable current command level and generates the gate delay command, SIG HI, for the FCOG-6100 SCR firing board.

Current Limiter
Soft Start
Tandem Starter Option

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