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Surge Protective Devices

Installation & Operation Manual

Model 457

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Summary of Contents for 457

Page 1: ...Surge Protective Devices Installation Operation Manual Model 457 ...

Page 2: ...ical system is completely installed inspected and tested All conductors must be connected and functional including the neutral if required The voltage rating of the SPD and system must be verified before energizing the SPD Failure to follow these guidelines can lead to abnormally high voltages at the SPD This may cause the SPD to fail The warranty is voided if the SPD is incorrectly installed and ...

Page 3: ...implified Explanation of Operation Precautionary Statement Regarding SPDs on Ungrounded Systems Cascade Surge Protection Parallel Connection Unpacking Preliminary Inspection Storage Environment Table 1 Model Number Decoder 5 5 5 5 5 5 5 6 MAINTENANCE Troubleshooting Service Figure 16 Troubleshooting Flowchart Module Removal Replacement Instructions Display Diagnostic Board Removal and Replacement ...

Page 4: ... C62 41 2 C62 45 C62 62 C62 72 UL 1449 UL 1283 IEC 61643 etc This SPD is a single port parallel connected device intended for service entrance panelboard or downstream installation for IEEE Category C B or A applications Major Industry Nomenclature Changes Effective 2008 2009 Be aware that UL 1449 Fourth Edition and 2008 NEC Article 285 generated substantial changes The term TVSS changed to SPD Ty...

Page 5: ...an electrical system Because of parallel connection installation of the SPD near the equipment to be protected is satisfactory This effect is similar to flushing any toilet in a house pressure in the shower goes down In an electrical system a parallel connected SPD will remove excessive voltage off the entire system assuming reasonable proximity Tip It is critically important that wiring leads be ...

Page 6: ...5 L W D and the weight is 25 lbs Example 457120SP16ACAE20 Model 457 240 120V Split Phase 160kA Standard Modes Compression Lugs or Terminals LEDs Audible Alarm Relay NEMA 1 12 3R 4 Type 2 No Accessories or Options Voltage Codes P Per Phase kA Rating System Modes of Protection kA Rating Per Phase A All Standard Modes for that Product Line Voltage Code Series Product Line 457 Common North American Sy...

Page 7: ...for clearance pursuant to the NEC Maximizing SPD Performance SPD s must be located as close to the circuit as possible to minimize parasitic losses Surges are high current high frequency events that cause substantial voltage drops across conductors This hurts SPD performance Use the shortest straightest possible leads Pre Plan installations and ensure that nearest breaker positions are used If new...

Page 8: ...icable codes Circuit Breaker and Disconnect Switch This Model 457 family SPD is tested and qualified as a Type 2 SPD per UL 1449 Fourth Edition and 2008 NEC This SPD can be installed on the load side of the service overcurrent device per 2008 NEC Article 285 When connected on load side of main disconnect we suggest connecting via a 60A circuit breaker The circuit breaker is the intended disconnect...

Page 9: ... Model 457 is approximately 5 25 in 133 mm deep It will not flush mount unless there is at least 5 25 in 133 mm of clearance Model 457 is not designed to flush mount on a typical 2 x 4 stud wall Follow steps 1 5 to flush mount Model 457 1 Before removing the trim disconnect the ribbon cables and ground wire from the modules 2 Mount the device as close as possible to the panel being protected Creat...

Page 10: ...ndings of the transformer supplying the service entrance main or load are configured This includes whether or not the transformer windings are referenced to earth via a grounding conductor The system configuration is not based on how any specific load or equipment is connected to a particular power distribution system 480V System Example SPDs should be installed per the electrical system not per a...

Page 11: ...SPDs UL 1283 required language concerning the installation of EMI Filters a An insulated grounding conductor that is identical in size and insulation material and thickness to the grounded and ungrounded circuit supply conductors except that it is green with or without one or more yellow stripes is to be installed as part of the circuit that supplies the filter Reference should be made to Table 25...

Page 12: ...EC and clear of faults before energizing SPD 1 Use a voltmeter to check all voltages to ensure correct SPD 2 If SPD has Dry Contact Remote Monitoring or Remote Display pre plan their installation 3 Remove power for panel Confirm panel is deenergized 4 Identify breaker location and SPD location 5 Make sure leads are short Reducing inches matters Pretend that connector leads cost you 1000 per foot 6...

Page 13: ...B Black Neutral White Phase C Black Ground Green A C N V B HI LEG DELTA B High 3 Phase B HIGH 1 Neutral 1 Ground Phase A Black Phase B Orange Neutral White Phase C Black Ground Green V DELTA 3 Phase 1 Ground Phase A Black Phase C Black Phase B Black Ground Green V CORNER GROUND DELTA B grounded 2 Phase 1 Ground Phase A Black Phase C Black Ground Green V SINGLE POLE 1 Phase 1 Neutral 1 Ground V Neu...

Page 14: ...deactivated when LED is illuminated Surge Counter Count if equipped Increments optional surge counter by one 1 Surge Counter Reset if equipped Resets optional surge counter to zero 0 If an inoperative condition where to occur the built in audible alarm will sound and the red Service LED will illuminate This indicates that the unit needs evaluation by a qualified electrician or technician Until a q...

Page 15: ...lation Operation and Maintenance Manual IO 70063 RevD 03 18 15 FIGURE 13 SPD DIMENSIONS NEMA TYPE 4X PLASTIC FIGURE 12 SPD DIMENSIONS NEMA TYPE 3R FIGURE 11 SPD DIMENSIONS NEMA TYPE 1 4 AND 4X STAINLESS STEEL ...

Page 16: ...rent change in a short time period large di dt The surge counter includes Test and Reset buttons on the touchpad display Pressing Test adds one count Pressing Reset clears the counter s memory and sets the display to zero The counter option includes a SuperCap internal storage capacitor that provides backup power for up to four days in the event of a power outage This eliminates the maintenance of...

Page 17: ...will be no means to interface with another device For custom applications using the Dry Contacts please note the following information The Dry Contacts are designed for low voltage or control signals only Maximum switching current is 1 amp Maximum switching voltage is 24 volts DC or AC Higher energy application may require additional relay implementation outside the SPD Damage to the SPD s relay c...

Page 18: ...ot root causes A failed SPD should be treated as a canary in the coalmine suggesting further investigation as there may be a larger issue at play Regardless of cause SPDs attempt to protect their load until failure As noted above the single largest killer of SPDs is reference to ground issues If the SPD shows problems on startup there is reasonable chance of bonding grounding misapplication issue ...

Page 19: ...placement board Install the replacement board into the panel and install the nuts onto the switches and tighten securely Note that a sealing gasket between the display and the enclosure is a key component ensuring weather resistance Replace the gasket whenever the display is removed Preventive Maintenance Inspection and Cleaning Inspection of the SPD should be performed periodically to maintain re...

Page 20: ...ed to the replacement of the defective product A Return Authorization RA number must be given by the company prior to the return of any product Returned products must be sent to the factory with the transportation charges prepaid In addition the company also warrants unlimited replacement of modular and component parts within the warranty periods previously described ASCO specifically disclaims al...

Page 21: ...C with LED 160kA MA240V160K Module 240 VAC with LED 160kA MA277V160K Module 277 VAC with LED 160kA MA347V160K Module 347 VAC with LED 160kA MA480V160K Module 480 VAC with LED 160kA MA600V160K Module 600 VAC with LED 160kA MA120V170K Module 120 VAC with LED 170kA MA220V170K Module 220 VAC with LED 170kA MA277V170K Module 277 VAC with LED 170kA MA120V240K Module 120 VAC with LED 240kA MA220V240K Mod...

Page 22: ...Installation Operation and Maintenance Manual IO 70063 RevD 03 18 22 ...

Page 23: ...Installation Operation and Maintenance Manual IO 70063 RevD 03 18 23 ...

Page 24: ...27 535 6339 F 727 539 8955 E customercare ascopower com While every precaution has been taken to ensure accuracy and completeness in this literature ASCO assumes no responsibility and disclaims all liability for damages resulting from use of this information or for any errors or omissions ...

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