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Surge Protective Devices

Installation & Operation Manual

Model 425

Summary of Contents for 425

Page 1: ...Surge Protective Devices Installation Operation Manual Model 425 ...

Page 2: ...Noise Mounting Service Clearance Equipment Performance Electrical Voltage Rating Branch Circuit Overcurrent Protection and Disconnect Means Location of Surge Protective Device SPD System Grounding Parts List Wiring ASCO 425 Wiring Diagrams Surface Mount Installation Operation LED Status Indicators Dry Contacts Connecting Form C Dry Contact Audible Alarm Remote Monitor Option Preventive Maintenance...

Page 3: ...to potential personal injury hazards Obey all safety messages that follow 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 WARNING WARNING indicates a hazardous situation which if not avoided could result in death or serious injury CAUTION CAUTION indicates a hazardous situation which if not avoi...

Page 4: ...cer and DIDP which is known to the State of California to cause birth defects or other reproductive harm For more information go to www P65Warnings ca gov NOTICE LOSS OF BRANCH CIRCUIT POWER LOSS OF SURGE SUPPRESSION Perform periodic inspection of the surge protective device status indicator lights as part of the preventative maintenance schedule Promptly replace the surge protective device when a...

Page 5: ...9 STPS or CSA Z462 This equipment must only be installed and serviced by qualified electrical personnel Turn off all power supplying this equipment before working on or inside equipment Always use a properly rated voltage sensing device to confirm power is off Replace all devices doors and covers before turning on power to this equipment This equipment must be effectively grounded per all applicab...

Page 6: ...nge of 13 F to 140 F 25 C to 60 C with a relative humidity of 0 to 95 non condensing This device has a Type 4X housing The device background noise is negligible and does not restrict the location of the installation The device has been designed to be surface mounted An additional flush mount kit is also available if required XMFMKIT The service clearance should meet all applicable code requirement...

Page 7: ... is not based on how any specific load or equipment is connected to a particular power distribution system See Table 1 for the service voltage of each SPD Electrical Voltage Rating Table 1 Model 425 Service Voltages Voltage Codes P 10 W A J A Per Phase kA Rating System Modes of Protection Default Connection Type Monitoring Options Enclosure UL 1449 Type1 Type 2 Accessory Option s kA Rating Per Pha...

Page 8: ...uctors feeding the ASCO 425 device per applicable state and local building codes UL 1449 Type 1 SPDs have been designed and approved for line side appli cations prior to the main service disconnect without supplemental overcur rent protection Type 2 SPDs must be installed on the load side of the main Overcurrent Protective Device OCPD All installations should either provide or include a disconnect...

Page 9: ...llow these instructions will result in death or serious injury NOTICE LOSS OF SURGE SUPPRESSION Verify that the service entrance equipment is bonded to ground in accordance with all applicable codes Failure to follow these instructions can result in equipment damage The ASCO 425 has SPD elements connected from phase to ground It is critical that there be a robust and effective connection to the bu...

Page 10: ...ensive electrical maintenance program Failure to follow these instructions will result in death or serious injury DANGER 1 Model 425 suppressor including 3 feet 91 M conductors 1 Data Sheet HAZARD OF ELECTRIC SHOCK EXPLOSION OR ARC FLASH Apply appropriate personal protective equipment PPE and follow safe electrical work practices See NFPA 70E NOM 029 STPS or CSA Z462 This equipment must only be in...

Page 11: ...cations additional sealing O ring is required not included See figure 4 5 Install in accordance with national and local electrical codes and match the branch circuit Overcurrent Protection Device OCPD to the wire size For all wires twist conductors 1 2 turn or more for every twelve inches of length 6 Do not loop or coil wires Be sure to maintain adequate wire bending space per NEC Trim excessive w...

Page 12: ... Protective Device SPD Wiring Figure 4 Typical panel Installation Figure 5 Parallel Wiring Diagram Use closest breaker to SPD Locate SPD close to intended breaker Keep Leads Short as Possible Avoid Sharp Bends Rotate Model 425 such that LED indicator is most visible Outdoor installation requires appropriate weather sealing at nipple gasket sealing conduit etc To Protected Loads Type 1 or individua...

Page 13: ...ires Flush Mount Plate Removed Material Figure 7 General Dimensions in mm ASCO 425 Surge Protective Device SPD Wiring Note Mount the unit as close as possible to the protected panel 1 Make perforations on the wall according to the screw holes located on the enclosure See Figure 7 Rotate dimensions 90 as appropriate depending on orientation 2 Configure the electrical conductor and conduit connectio...

Page 14: ...nt must be effectively grounded per all applicable codes Use an equipment grounding conductor to connect this equipment to the power system ground Failure to follow these instructions will result in death or serious injury DANGER LED Status Indicators Figure 8 Diagnostic Operation Diagnostic LEDs are located on the front of the ASCO 425 SPD device They operate as follows Verify that all phase volt...

Page 15: ... be used for remote indication of the SPD operating status to a computer interface board or emergency management system Also these dry contact leads are designed to work with the SPD remote monitor option described in the following section The dry contacts are designed for a maximum voltage of 24 V dc 24 V ac and a maximum current of 2 A Higher energy applications may require additional relay impl...

Page 16: ...gure 9 Gray is Common Blue is Normally Open and Red is Normally Closed when energized in its expected installation When not energized the SPD is no longer in its Normal state and contacts will be reversed If the dry contacts are not utilized insulate lead ends coil and secure Audible Alarm will still function correctly Connecting Form C Dry Contact Audible Alarm Figure 9 Leads Dry Contact Leads 18...

Page 17: ...tch will complete the test the red LED will turn off the green LED will turn on and the alarm will shut off If suppression on any phase is lost the green LED will turn off the red LED will illuminate and an alarm will sound The audible alarm can be silenced by pushing the alarm enable disable test switch The alarm will silence and the green alarm LED will not be lit The red LED will continue to be...

Page 18: ...serviced by qualified electri cal personnel Turn off all power supplying this equipment before working on or inside equipment Always use a properly rated voltage sensing device to confirm power is off Replace all devices doors and covers before turning on power to this equipment This equipment must be effectively grounded per all applicable codes Use an equipment grounding conductor to connect thi...

Page 19: ... 2020 ASCO Power Technologies All Rights Reserved 19 IO 70060 05 2020 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 20: ...nd completeness in this literature Schneider Electric assumes no responsibility and disclaims all liability for damages resulting from use of this information or for any errors or omissions 14550 58th Street North Clearwater Florida 33760 se com us en work support 1 888 778 2733 ...

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