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Larson Electronics PDU-MTS-3P Series Instruction Manual

3-phase - non-fusible - meter - external handle operator

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3-phase - Non-fusible - Meter - External Handle Operator - NEMA 3R
Thank you for your purchase of the Larson Electronics PDU-MTS-3P Series Manual Transfer Switch.
WARNING:
READ CAREFULLY BEFORE INSTALLING FIXTURE. RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE. CRITICAL SAFETY INSTRUCTIONS:
INSTALLATION SHOULD ONLY BE CONDUCTED BY A QUALIFIED ELECTRICIAN IN ACCORDANCE WITH NEC AND ANY
RELEVANT LOCAL BUILDING CODES.
RISK OF FIRE OR ELECTRIC SHOCK. FIXTURE INSTALLATION REQUIRES KNOWLEDGE OF FIXTURE'S ELECTRICAL
SYSTEMS. IF NOT QUALIFIED, CONTACT A QUALIFIED ELECTRICIAN.
BE CERTAIN ELECTRICAL POWER IS OFF BEFORE AND DURING INSTALLATION AND MAINTENANCE.
MAKE SURE THE SUPPLY VOLTAGE IS THE SAME AS THE FIXTURE'S RATED VOLTAGE.
TO PREVENT WIRING DAMAGE OR ABRASION, DO NOT EXPOSE WIRING TO EDGES OF SHEET METAL OR SHARP
OBJECTS. SUITABLE FOR DAMP LOCATIONS.
The Larson Electronics PDU-MTS-3P Series Manual Transfer Switch is ideal for managing electrical loads in industrial
facilities. Equipped with a power meter and external, front-operated handle, the unit is housed in a NEMA 3R enclosure
and can be mounted on flat surfaces or walls.
Larson Electronics, LLC
Manual Transfer Switch
Instruction Manual
Phone: (877) 348-9680
Fax: (903) 498-3364
PDU-MTS-3P Series
www.larsonelectronics.com
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Summary of Contents for Larson Electronics PDU-MTS-3P Series

  • Page 1 OBJECTS. SUITABLE FOR DAMP LOCATIONS. The Larson Electronics PDU-MTS-3P Series Manual Transfer Switch is ideal for managing electrical loads in industrial facilities. Equipped with a power meter and external, front-operated handle, the unit is housed in a NEMA 3R enclosure and can be mounted on flat surfaces or walls.
  • Page 2: Table Of Contents

    NOTE: After this heading, read instructions that, if not strictly complied with, may result in damage to equipment and/or property. Larson Electronics, LLC Phone: (877) 348-9680 Fax: (903) 498-3364 www.larsonelectronics.com...
  • Page 12: Operation

    Operation MAIN CONTACTS AT NEUTRAL 3.10 MODE SWITCH LOAD terminals are disconnected from both power supply termi­ This switch allows operator selection of AUTOMATIC, NORMAL nals. The word "OFF" is displayed in both Windows 'W' and "B" TEST or FAST TEST mode as follows (Figure 3.6): (Figure 3.4).
  • Page 15: Transfer Switch Options

    Operation 3.15 TRANSFER SWITCH OPTIONS Figure 3. 7 Instrument Package The transfer switch may be equipped with one or more of the fol­ lowing options: • Instrument Package • Signal Before Transfer • Remote Auto Control • Manual bypass for return to Normal •...
  • Page 21: Circuit Board Switch Sw1

    Operation 3.19 CIRCUIT BOARD SWITCH SW1 3.20 EXERCISE TIMER DISPLAY On the lnphase Monitor Control Board, a switch assembly consist­ (FIGURE 3.16) ing of a bank of eight miniature switches is identified as "SW1" 3.2 0 .1 CURRENT TIME is usually set up at the factory and should require no additional configuring (Figure 3.15).
  • Page 24: Maintenance

    SUBSTITUTES. THESE INSTRUCTIONS MAY NOT COVER ALL DETAILS OR VARIATIONS OF THIS PRODUCT FOR YOUR EQUIPMENT OR INSTALLATION REQUIREMENTS. SHOULD FURTHER INFORMATION NOT COVERED BY THESE INSTRUCTIONS BE REQUIRED, PLEASE CONTACT LARSON ELECTRONICS BY EMAIL AT SALES@LARSONELECTRONICS.COM OR BY PHONE AT 1-877-348-9680 FOR FURTHER ASSISTANCE.
  • Page 25: Mounting Dimensions

    Mounting Dimensions 100A (All System Voltages), 200-400A (208, 240VAC System Voltages) NEMA 1 Units c<>-- 24.8 - - - - ---0>1 00.44 -<>-t->- 1 8 - ---<>< -- - ------ - =-�-�-�-- - - - �-�-- - -----� �I 3'1 � � ) I � I[___ 37.4 36.
  • Page 27 Mounting Dimensions 100A (All System Voltages), 150-400A (208, 240VAC System Voltages) NEMA 12 Units With Instrument Package 24.02 00.44 � [�@JG] ®[a �[GJ 37. 4 35. 98 � LJILJ --I f-- 0.44 150-400A (480, 600V System Voltages) NEMA 12 Units With Instrument Package 1""7 '•...