Asco 300 Series Installation & Operation Manual

Asco 300 Series Installation & Operation Manual

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Surge Protective Devices
NEMA 1
(Non-Metallic)
NEMA 12
(Steel)
Installation & Operation Manual
Model 350

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Questions and answers

Wolf von Reitzenstein
February 20, 2025

What is the lug configuration on an ASCO 300 800/3 and 1000/3 is it load and EM on top lugs and normal below, like 600/3 and smaller? I need to know if I need to enter in top, or bottom on the 3 conduit entry conduits??

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Summary of Contents for Asco 300 Series

  • Page 1 Surge Protective Devices Installation & Operation Manual NEMA 1 (Non-Metallic) NEMA 12 (Steel) Model 350...
  • Page 2: Table Of Contents

    Circuit Breaker and Wire Size Dimensions (in. / mm.) and Weight (lb. / kg.) NEMA 1 Unit Circuit Breaker and Wire Size Dimensions (in. / mm.) and Weight (lb. / kg.) Parallel Wiring Diagram © 2019 ASCO Power Technologies IO-70105 All Rights Reserved...
  • Page 3 Please Note Electrical equipment should be installed, operated, serviced, and maintained only by qualified personnel. No responsibility is assumed by ASCO Power Technologies for any consequences arising out of the use of this material. A qualified person is one who has skills and knowledge related to the construction, installation, and operation of electrical equipment and has received safety training to recognize and avoid the hazards involved.
  • Page 4: Precautions

    SPD can occur. Mitigate the tripping of the branch circuit breaker or fuse feeding the SPD by coordinating the surge suppression elements with the branch circuits. © 2020 ASCO Power Technologies. All Rights Reserved For access to self-service tools and chat support visit se.com/us/en/work/support or call 1-888-778-2733 for technical assistance...
  • Page 5: Introduction

    Failure to follow these instructions will result in death or serious injury. Note: For access to self-service The ASCO Model 350 surge protective device is a surge current diversion tools and chat support visit system designed for use with equipment that is sensitive to damaging se.com/us/en/work/support or...
  • Page 6: Installation

    Conduit Connection Feed all wires into the panel through the knockout selected and secure the conduit connection. © 2020 ASCO Power Technologies. All Rights Reserved For access to self-service tools and chat support visit se.com/us/en/work/support or call 1-888-778-2733 for technical assistance...
  • Page 7: Wiring Connections

    12 unit status lights will be “green” and the red “service” indicator will be off for normal operation. If normal status indicators do not exist, see “TROUBLESHOOTING”. © 2020 ASCO Power Technologies. All Rights Reserved For access to self-service tools and chat support visit se.com/us/en/work/support or call 1-888-778-2733 for technical assistance...
  • Page 8 1 Neutral, 2 Phases, 1 Ground 1 Neutral, 1 Neutral, 1 Ground 1 Ground 1 Ground © 2020 ASCO Power Technologies. All Rights Reserved For access to self-service tools and chat support visit se.com/us/en/work/support or call 1-888-778-2733 for technical assistance...
  • Page 9: Nema 12 Unit

    (With AC Applied) Dimensions (in. / mm.) and Weight (lb. / kg.) Weight: 3 lbs [1.4 kg] © 2020 ASCO Power Technologies. All Rights Reserved For access to self-service tools and chat support visit se.com/us/en/work/support or call 1-888-778-2733 for technical assistance...
  • Page 10: Nema 1 Unit

    (With AC Applied) Dimensions (in. / mm.) Weight: 1.9 lbs [0.8 kg] and Weight (lb. / kg.) © 2020 ASCO Power Technologies. All Rights Reserved For access to self-service tools and chat support visit se.com/us/en/work/support or call 1-888-778-2733 for technical assistance...
  • Page 11: Parallel Wiring Diagram

    ASCO 350 Surge Protective Device (SPD) IO-70105 09/2020 Parallel Wiring Diagram Parallel Wiring Diagram © 2020 ASCO Power Technologies. All Rights Reserved For access to self-service tools and chat support visit se.com/us/en/work/support or call 1-888-778-2733 for technical assistance...
  • Page 12 While every precaution has been taken to ensure accuracy and completeness in this literature, Schneider Electric assumes no 14550 58th Street North responsibility, and disclaims all liability for damages resulting from Clearwater, Florida 33760 use of this information or for any errors or omissions. se.com/us/en/work/support 1-888-778-2733 IO-70105 RevK 09-20...

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