Schneider Electric SP3OPT008 Backfeed Protection Box Instruction Manual

Schneider Electric SP3OPT008 Backfeed Protection Box

Product Information

The Backfeed Box is designed for Easy UPS 3S and Easy UPS 3M installation. It is compatible with models SP3OPT008, SP3OPT009, and SP3OPT010. For the latest updates and information, please visit the Schneider Electric website. The Schneider Electric brand and any trademarks mentioned in this guide belong to Schneider Electric SE or its subsidiaries. All other trademarks are the property of their respective owners. This guide is protected under applicable copyright laws and is intended for informational use only. Reproduction or transmission of any part of this guide without prior written permission from Schneider Electric is prohibited.

Schneider Electric emphasizes that only qualified personnel should install, operate, service, and maintain their products and equipment. As standards, specifications, and designs may change over time, the information in this guide is subject to change without notice. Schneider Electric and its subsidiaries do not assume any responsibility or liability for errors or omissions in the content of this material or for any consequences arising from the use of the information contained herein.

Product Usage Instructions

Before installing, operating, servicing, or maintaining the Backfeed Box, carefully read and familiarize yourself with these instructions. Pay attention to any safety messages that may appear throughout this manual or on the equipment.

Important Safety Instructions

SAVE THESE INSTRUCTIONS
Failure to follow these instructions may result in personal injury or equipment damage.

Safety Precautions
Observe the following safety precautions when using the Backfeed Box:

1. Always disconnect power before installing or servicing the equipment.
2. Ensure that the Backfeed Box is installed and grounded properly.
3. Do not expose the Backfeed Box to water or moisture.
4. Avoid placing the Backfeed Box near flammable materials.
5. Keep the Backfeed Box away from heat sources.
6. Do not modify or tamper with the Backfeed Box.

Electrical Safety
Follow these electrical safety guidelines:

1. Only use the Backfeed Box with compatible Easy UPS 3S and Easy UPS 3M models.
2. Do not overload the Backfeed Box beyond its specified capacity.
3. If you encounter any electrical hazards, disconnect power immediately and seek professional assistance.

Specifications
The specifications of the Backfeed Box are as follows:

• Model Compatibility: Easy UPS 3S and Easy UPS 3M (SP3OPT008, SP3OPT009, SP3OPT010)
• For detailed specifications and updates, refer to the Schneider Electric website.

Please refer to the complete user manual for detailed installation, operating, servicing, and maintenance instructions.

Legal Information

The Schneider Electric brand and any trademarks of Schneider Electric SE and its subsidiaries referred to in this guide are the property of Schneider Electric SE or its subsidiaries. All other brands may be trademarks of their respective owners.
This guide and its content are protected under applicable copyright laws and furnished for informational use only. No part of this guide may be reproduced or transmitted in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise), for any purpose, without the prior written permission of Schneider Electric. Schneider Electric does not grant any right or license for commercial use of the guide or its content, except for a non-exclusive and personal license to consult it on an “as is” basis. Schneider Electric products and equipment should be installed, operated, serviced, and maintained only by qualified personnel.

As standards, specifications, and designs change from time to time, information contained in this guide may be subject to change without notice. To the extent permitted by applicable law, no responsibility or liability is assumed by Schneider Electric and its subsidiaries for any errors or omissions in the informational content of this material or consequences arising out of or resulting from the use of the information contained herein.

Important Safety Instructions

Read these instructions carefully and look at the equipment to become familiar with it before trying to install, operate, service or maintain it. The following safety messages may appear throughout this manual or on the equipment to warn of potential hazards or to call attention to information that clarifies or simplifies a procedure.

• The addition of this symbol to a “Danger” or “Warning” safety message indicates that an electrical hazard exists which will result in personal injury if the instructions are not followed.
• This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages with this symbol to avoid possible injury or death.

DANGER

• DANGER indicates a hazardous situation which, if not avoided, will result in death or serious injury.
• Failure to follow these instructions will result in death or serious injury.

WARNING

• WARNING indicates a hazardous situation which, if not avoided, could result in death or serious injury.
• Failure to follow these instructions can result in death, serious injury, or equipment damage.

CAUTION

• CAUTION indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.
• Failure to follow these instructions can result in injury or equipment damage.

NOTICE

• NOTICE is used to address practices not related to physical injury. The safety alert symbol shall not be used with this type of safety message.
• Failure to follow these instructions can result in equipment damage.

Please Note

• Electrical equipment should only be installed, operated, serviced, and maintained by qualified personnel. No responsibility is assumed by Schneider Electric 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.

Safety Precautions

DANGER

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH

• Read all instructions in the installation manual before installing or working on this product.
• Failure to follow these instructions will result in death or serious injury.

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH

• Do not install the product until all construction work has been completed and the installation room has been cleaned.
• Failure to follow these instructions will result in death or serious injury.

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH

• The product must be installed according to the specifications and requirements as defined by Schneider Electric. It concerns in particular the external and internal protections (upstream breakers, battery breakers, cabling, etc.) and environmental requirements. No responsibility is assumed by Schneider Electric if these requirements are not respected.
• Failure to follow these instructions will result in death or serious injury.

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH
The UPS system must be installed according to local and national regulations. Install the UPS according to:

• IEC 60364 (including 60364–4–41- protection against electric shock, 60364–4–42 – protection against thermal effect, and 60364–4–43 – protection against overcurrent), or
• NEC NFPA 70, or
• Canadian Electrical Code (C22.1, Part 1) depending on which one of the standards apply in your local area.

Failure to follow these instructions will result in death or serious injury.

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH

• Install the product in a temperature controlled indoor environment free of conductive contaminants and humidity.
• Install the product on a non-flammable, level and solid surface (e.g. concrete) that can support the weight of the system.

Failure to follow these instructions will result in death or serious injury.

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH
The product is not designed for and must therefore not be installed in the following unusual operating environments:

• Damaging fumes
• Explosive mixtures of dust or gases, corrosive gases, or conductive or radiant heat from other sources
• Moisture, abrasive dust, steam or in an excessively damp environment
• Fungus, insects, vermin
• Salt-laden air or contaminated cooling refrigerant
• Pollution degree higher than 2 according to IEC 60664-1
• Exposure to abnormal vibrations, shocks, and tilting
• Exposure to direct sunlight, heat sources, or strong electromagnetic fields Failure to follow these instructions will result in death or serious injury.

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH

• Do not drill or cut holes for cables or conduits with the gland plates installed and do not drill or cut holes in close proximity to the UPS.
• Failure to follow these instructions will result in death or serious injury.

WARNING

HAZARD OF ARC FLASH

• Do not make mechanical changes to the product (including removal of cabinet parts or drilling/cutting of holes) that are not described in the installation manual.
• Failure to follow these instructions can result in death, serious injury, or equipment damage.

NOTICE

RISK OF OVERHEATING

• Respect the space requirements around the product and do not cover the ventilation openings when the product is in operation.
• Failure to follow these instructions can result in equipment damage.

Electrical Safety

This manual contains important safety instructions that should be followed during the installation and maintenance of the backfeed box.

DANGER

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH

• Electrical equipment must be installed, operated, serviced, and maintained only by qualified personnel.
• Apply appropriate personal protective equipment (PPE) and follow safe electrical work practices.
• Disconnection devices for AC and DC must be provided by others, be readily accessible, and the function of the disconnect device marked for its function.
• Turn off all power supplying the UPS system before working on or inside the equipment.
• Before working on the UPS system, check for hazardous voltage between all terminals including the protective earth.
• The UPS contains an internal energy source. Hazardous voltage can be present even when disconnected from the mains supply. Before installing or servicing the UPS system, ensure that the units are OFF and that mains and batteries are disconnected. Wait five minutes before opening the UPS to allow the capacitors to discharge.
• The UPS must be properly earthed/grounded and due to a high leakage current, the earthing/grounding conductor must be connected first.

Failure to follow these instructions will result in death or serious injury.

Specifications

NOTICE

HAZARD OF EQUIPMENT DAMAGE

• Refer to the UPS installation manual for detailed specifications for the UPS system.
• Failure to follow these instructions can result in equipment damage.

Backfeed Contactor Specifications

DANGER

HAZARD OF ELECTRIC SHOCK, EXPLOSION OR ARC FLASH

• The SP3OPT008, SP3OPT009, and SP3OPT010 must only be used with the UPSs listed in the compatibility matrixes below.
• Failure to follow these instructions will result in death or serious injury.

Easy UPS 3S Compatibility Matrix

172 A, 1 phase (bypass current)1

| 89 (3 phases)
Dual mains system| Input| 1 x SP3OPT008| 1 x SP3OPT008
Input current limitation (A)| 65 (3 phases)| 89 (3 phases)
Bypass| 1 x SP3OPT009| 1 x SP3OPT008
Bypass current (A)1| 172 (1 phase)| 77 (3 phases)

Easy UPS 3M Compatibility Matrix

1. Current includes the overload capacity of 125% continuous for Easy UPS 3S in static bypass mode.
2. 515 A at operating temperature of 0 °C to 30 °C. Maximum 450 A at operating temperature of 30 °C to 40 °C.

LC1D95V7; AC3 duty 95 A

| 275 A, 3P

LC1G150LSEA, AC1 duty 275 A

| 550 A, 3P

LC1G400LSEA, AC1 duty 550 A

Rated operational voltage| Refer to the UPS installation manual for rated UPS operational voltage.
Coil operating voltage| 320-440 VAC| 200-500 VAC| 200-500 VAC
Frequency (Hz)| 50/60
Short circuit capacity| 10 kA Icc conditioned by the upstream protection listed in the UPS installation manuals.
Earthing system| TNS – TT. Not compatible with IT earthing system where 4 pole contactor is required.

Recommended Upstream Protection
Refer to the UPS installation manual for recommended upstream protection.

Recommended Cable Sizes

• NOTE: Aluminum cables are not supported.
• Refer to the UPS installation manual for recommended cable sizes.

Recommended Bolt and Lug Sizes

Copper

Torque Specifications

Backfeed Box Weights and Dimensions

Commercial reference| Weight kg| Height mm| Width mm| Depth mm
---|---|---|---|---
SP3OPT008| 20| 300| 550| 200
SP3OPT009| 33| 600| 600| 250
SP3OPT010| 58| 800| 700| 400

Environment

SP3OPT010: 0 °C to 30 °C. Operation at 30 °C to 40 °C at maximum 450 A.

| -25 °C to 55 °C
Relative humidity| 0-95% non-condensing| 0-95% non-condensing
Elevation| Designed for operation in 0-2000 m|
Protection class| IP20
Color| RAL 9003, 85% gloss

Installation Procedure

1. Mount the Backfeed Box to the Wall.
2. Prepare the Backfeed Box for Cables.
3. Connect the Input Power Cables to the Input Backfeed Box.
4. Only in dual mains system: Perform one of the following:
   • Connect the Bypass Power Cables to the Bypass Backfeed Box for 3:1 System (Dual Mains System Only), OR
   • Connect the Bypass Power Cables to the Bypass Backfeed Box for 3:3 System (Dual Mains System Only).

Mount the Backfeed Box to the Wall

CAUTION

RISK OF INJURY OR EQUIPMENT DAMAGE

• Mount the backfeed box to a wall or a rack that is structurally sound and able to support the weight of the unit.
• Use appropriate M10 hardware (not supplied) to mount the backfeed box to the wall.

Failure to follow these instructions can result in injury or equipment damage.

1. Measure and mark the four mounting hole locations on the wall.
2. Drill holes in each of the four marked locations.
3. Mount the backfeed box to the wall.

Prepare the Backfeed Box for Cables

DANGER

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH

• Do not drill or punch holes for cables or conduits with the gland plates installed, and do not drill or punch holes in close proximity to the product.
• Failure to follow these instructions will result in death or serious injury.

Illustrations show SP3OPT008. The procedure is the same for SP3OPT009 and SP3OPT010.

1. Open the front door.
2. Remove the screws and the front plate.
3. Remove the gland plate.
4. Drill or punch holes for cables or grommets/conduits (not provided) in the gland plate.
5. Install grommets/conduits (if applicable) and refit the gland plate.

DANGER

HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH

• Ensure that there are no sharp edges that can damage the cables.
• Failure to follow these instructions will result in death or serious injury.

Connect the Input Power Cables to the Input Backfeed Box

1. Connect the PE cables.
2. Connect the UPS input cables (L1, L2, L3, N).
3. Connect the input cables (L1, L2, L3, N).
4. Reinstall the front plate with the screws.
5. Close and lock the front door.
   SP3OPT008 (Input Only)

SP3OPT009 (Input Only)

SP3OPT010 (Input Only)

Connect the Bypass Power Cables

Connect the Bypass Power Cables to the Bypass Backfeed Box for 3:1 System (Dual Mains System Only)

NOTE:
Follow the UPS installation manual to remove the single mains busbars in the UPS.

1. Connect the PE cables.

2. Connect the UPS bypass cables (L1, N).

3. Connect the bypass cables (L1, N).
   SP3OPT009 for 3:1 System (Bypass Only)

4. Disconnect the signal cable E31 from the L2 busbar of the power contactor. Reconnect the E31 signal cable to the neutral busbar.
   SP3OPT009 for 3:1 System (Bypass Only)

5. Reinstall the front plate with the screws.

6. Close and lock the front door.

Connect the Bypass Power Cables to the Bypass Backfeed Box for 3:3 System (Dual Mains System Only)

NOTE:
Follow the UPS installation manual to remove the single mains busbars in the UPS.

1. Connect the PE cables.
2. Connect the UPS bypass cables (L1, L2, L3, N).
3. Connect the bypass cables (L1, L2, L3, N).
4. Reinstall the front plate with the screws.
5. Close and lock the front door.
   SP3OPT008 for 3:3 System (Bypass Only)

Backfeed Box One Line Drawing

Instruction to end user as follows:

• Easy UPS backfeed box having a rated conditional short-circuit current and not exceeding 10 kA r.m. s.
• Easy UPS backfeed box shall be protected by current-limiting devices having a cut-off current not exceeding 17 kA with the maximum allowable prospective short-circuit current at the terminals of the incoming circuit of the ASSEMBLY.

Instruction to end user as follows:

• Easy UPS backfeed box having a rated conditional short-circuit current and not exceeding 10 kA r.m. s.
• Easy UPS backfeed box shall be protected by current-limiting devices having a cut-off current not exceeding 17 kA with the maximum allowable prospective short-circuit current at the terminals of the incoming circuit of the ASSEMBLY.

Contact Information

Schneider Electric

• Add: 35 rue Joseph Monier 92500 Rueil Malmaison France
• Phone: + 33 (0) 1 41 29 70 00

As standards, specifications, and design change from time to time, please ask for confirmation of the information given in this publication.

© 2023 – 2023 Schneider Electric. All rights reserved.
990-92223A-001.

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