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IO-70071

01/2020

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

ASCO Model 950 Surge Protective Device (SPD) and Fuse Box

General Information

Figure 1:

Typical Parallel Connected SPD + Fuse Box

Table 1:

Model Number Decoder

Front View of Switchgear

Side View of SPD + FB

Side View of Switchgear

Front View of SPD + FB



Voltage Codes

Per Phase

kA Rating

System

Modes of

Protection

(Default)

Connection Type

(Default)



Monitoring

Options



Enclosure

UL 1449 Type



Accessory/

Option(s)



kA Rating

Per Phase

950

Model 950

Product

Line

G = NEMA 4

SPD: steel

fuse box: polycarbonate

R = NEMA 3R

SPD: steel

fuse box: polycarbonate

diagnostics: steel 3R

W = Wire leads

N = None (default)

R = LEDs and dry contact relays

(R enclosure only)

(120kA only)

0 = No trailing accessory/option

Code

Service

voltage

Maximum continuous

operating voltage (MCOV)

10XD =

1000V

1200VAC

15XD =

1500V

2000VAC

20XD =

2000V

2400VAC

25XD =

2500V

3400VAC

30XD =

3000V

4000VAC

36XD =

3600V

4800VAC

41XD =

4100V

5600VAC

12 = 120kA

per

phase

24 = 240kA

per

phase

Not applicable

Содержание 950

Страница 1: ...Surge Protective Devices Installation Operation Manual Model 950 SPD Fuse Box ...

Страница 2: ...ating Environment Typical Installation Location Installation Mounting Dimensions Weight Audible Noise Service Clearance Overcurrent Protection Voltage Rating Wire Size Optional Monitoring Package Operation Maintenance Troubleshooting and Service Dimensional Drawings SPD Component Mechanical Drawings Fuse Box Component Mechanical Drawings 4 6 6 6 7 7 9 9 9 9 9 9 9 10 10 10 10 12 12 12 12 13 13 13 1...

Страница 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...

Страница 4: ...F ELECTRIC SHOCK EXPLOSION OR ARC FLASH This Surge Protective Device SPD Three Phase Fuse Box is for use by those who understand and accept its benefits and risks The loss of SPD protection is a symptom of system level overvoltage problems Ungrounded distribution systems are designed to float and move with respect to ground An SPD that has lost protection may escalate the initial distribution syst...

Страница 5: ... testing or any other tests where surge protective device components will be subjected to voltages higher than their rated turn on voltage with the neutral and surge protective device disconnected from the power source Failure to follow these instructions will result in death or serious injury DANGER At end of life conditions Surge Protective Devices SPDs can lose their ability to block power syst...

Страница 6: ...ed to replace national or local codes Follow all applicable electrical codes to ensure compliance Installation of the Model 950 should only be performed by qualified electrical personnel familiar with 1kV to 5kV systems ASCO s Medium Voltage SPDs are extensively tested in accordance with industry standards such as ANSI IEEE C62 11 This unit is a Single port Parallel connected Device Three Phase Fu...

Страница 7: ...s provided with an external fuse box to provide dedicated OCP When the SPD and fuse box are installed according to this manual and the SPD reaches the end of its useful life the OCP fuses in the fuse box will disconnect the SPD from the system but maintain power to the load now unprotected If this situation is undesirable for the application follow the instructions for replacing the device Service...

Страница 8: ...Per Phase kA Rating System Modes of Protection Default Connection Type Default Monitoring Options Enclosure UL 1449 Type Accessory Option s kA Rating Per Phase 950 Model 950 Product Line G NEMA 4 SPD steel fuse box polycarbonate R NEMA 3R SPD steel fuse box polycarbonate diagnostics steel 3R W Wire leads N None default R LEDs and dry contact relays R enclosure only 120kA only 0 No trailing accesso...

Страница 9: ... container for damage or signs of mishandling Remove the packing materials and further inspect the unit for any obvious shipping damages If any damage was found and is a result of shipping or handling immediately file a claim with the shipping company and forward a copy to ASCO Relative Humidity Range 0 95 Non condensing Operating Frequency 50 60Hz Operating Temperature 40 F 40 C to 185 F 85 C NEM...

Страница 10: ...50 on the load side of the main overcurrent protection device When selecting the installation location verify that there is enough space for both the fuse box and SPD to be installed and that their combined weight can be supported Failure to follow these instructions will result in death or serious injury HAZARD OF ELECTRIC SHOCK EXPLOSION OR ARC FLASH Pre plan the installation and read and unders...

Страница 11: ...3 Mount SPD and fuse box on a surface capable of supporting 100lbs 45 4kg using the hardware and conduit provided along with any other conduit and fittings as needed SPD must be mounted with the conduit hub facing downward 4 Install in accordance with national and local electrical codes for overcurrent protection recommendations and wire ampacity considerations Note Use on solidly grounded systems...

Страница 12: ...must be capable of supporting 75 lbs 34 5 kg 35 lbs 15 9 kg The enclosure dimensions of the SPD are 12 x 12 x 6 in 305 x 305 x 152 mm and the fuse box are 18 x 16 x 10 in 457 x 406 x 254 mm Failure to follow these instructions can result in injury NOTICE LEAD LENGTHS MAXIMIZING SPD PERFORMANCE Model 950 must be located as close to the circuit as possible to minimize parasitic losses Surges are hig...

Страница 13: ...unding conductor The system configuration is not based on how any specific load or equipment is connected to a particular power distribution system Model 950 comes pre wired with 2 feet 1 3 meters of 6 AWG stranded leads for all three phases and ground for SPD to fuse box connection and 8 feet 2 4 meters of 6 AWG stranded leads for all three phases and ground for fuse box to switchgear connection ...

Страница 14: ... periods Keep the SPD free of dirt and debris The ASCO 950 surge protector has little to troubleshoot Only a nonfunctional SPD will open the fuses Opened fuses should be replaced with the same make model and amperage Do not replace with fuses under 15A due to the possibility of inadvertent nuisance tripping Do NOT replace opened fuses with ones rated 200A and higher as this will not properly disco...

Страница 15: ...ols and chat support visit se com us en work support or call 1 888 778 2733 for technical assistance 12 24 6 30 2 42 0 95 0 3120 10 00 13 50 12 75 Figure 5 Model 950 SPD Component Mechanical Drawings Dimensions in ASCO Model 950 Surge Protective Device SPD and Fuse Box Dimensions Front View Side View ...

Страница 16: ...While every precaution has been taken to ensure accuracy and 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 Figure 6 Model 950 Fuse Box Component Mechanical Drawings Dime...

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