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Delta-Star connector

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					                           MSE of Canada Ltd.
         Installation procedure, DSC-600 Delta / Star Connector
   The DSC-600 Delta / Star connector accessory provides connection for an Insulation
Resistance Monitor to all three phases of delta / star motor while the motor is off-line. The
DSC-600 is a CSA certified accessory for installation with MotoSafe or FailSafe monitors
on motors with line voltage up to 600 V AC.
INSTALLATION
   Please use appropriate size spade terminals to install the accessory in the starter
enclosure.
   Connect DSC-600 in accordance to the wiring diagram below.
   Secure the DSC-600 to any convenient support, using ty-wrap supplied.
TESTING
    To ensure proper connection use the Test Resistor supplied in the accessory kit of the
Insulation Resistance Monitor as follow:
    1. Make sure that the Monitor is “ON” and the motor supply is off.
    2. Connect the Test Resistor between one of the motor phases and the ground.
        Within 10 seconds the Monitor should indicate alarm.
    3. Disconnect the Test Resistor. Reset the Monitor.
    4. Repeat the test on other two phases.

   DSC-600 Connection Diagram with MGM600D Insulation Resistance Monitor
                                            R                                            CONTROL
                                            S
           Star / Delta Starter             T                             A              VOLTAGE
                                           Mp
                                              a1
                                                     U   V   W
                                                e1   e2 e3


                                                                     5        4      3           2      1
                                                                                   ALARM
    C3                 C2                 C1                                       RESET
                                                                           3 MEG
                                                                           1 MEG
                                                                          .5 MEG   FailSafe  ¨
                                                                                   INSULATION MONITOR

                                                                       Model
                                                                      MGM600D
                                                                                    ON
                                                                                    TEST

                                DSC-600                              10       9      8                  6
                                FOR Y /
                                START

                                   M1

                            X             U
                            Y             V
                            Z             W




 MSE of Canada Ltd., 261 Millway Ave. Unit 12, Concord, ON L4K 4K9 • Toll Free: 888-275-3085
Tel: 905-738-3744 • Fax: 905-738-5732 • Email: mse01@msegroup.net • web: www.msegroup.net

				
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