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Series Cutout (SCO)
SCO Introduction 

© ADB Airfield Solutions All Rights Reserved

6

96A0294 Rev. G
   

See Figure 2 for an exploded view of the SCO cutout.

Figure 2:

SCO Cutout (Exploded View)

1. Cover

2. Body

3. Insulation Measurement Socket

4. Lock and Key 

5. Interlock Switch (Located Inside Cutout)

6. Interlock Switch Wiring Shield Connection (If Used)

7. Interlock Switch Terminals (If Used)

8. Grounding Terminals (2)

9. L-824 Shield Grounding Clamp Screws (3)

10.Body Fastening Hole

11.Airfield Series Cable Stress Relief and Airfield Cable Shield Grounding Clamp

1

2

3

5

7

4

9

8

10

11

6

Summary of Contents for SCO

Page 1: ...Series Cutout SCO Instruction Manual 96A0294 Rev H 7 19 17 ...

Page 2: ...f 2 years from date of installation per FAA AC 150 5345 44 applicable edition NOTE See your sales order contract for a complete warranty description A 5 All Products LED Products of ADB SAFEGATE manufactured and sold by ADB SAFEGATE or its licensed representatives meets the corresponding requirements of FAA ICAO and IEC ADB SAFEGATE will correct by repair or replacement per the applicable guarante...

Page 3: ...d or described in this manual or using parts that are not genuine ADB SAFEGATE replacement parts or accessories Failing to make sure that auxiliary equipment complies with approval agency requirements local codes and all applicable safety standards if not in contradiction with the general rules Using materials or auxiliary equipment that are inappropriate or incompatible with your ADB SAFEGATE equ...

Page 4: ...ntents thereof without obligation of ADB SAFEGATE BVBA to notify any person of such revision or change Details and values given in this manual are average values and have been compiled with care They are not binding however and ADB SAFEGATE BVBA disclaims any liability for damages or detriments suffered as a result of reliance on the information given herein or the use of products processes or equ...

Page 5: ...oduction 5 2 1 About this manual 5 2 1 1 How to work with the manual 5 2 1 2 Record of changes 5 2 2 SCO Introduction 5 2 2 1 SCO Cutout Required Equipment 8 2 3 Specifications 9 2 4 Installation 10 2 4 1 Introduction 10 2 4 2 Unpacking 10 2 4 3 Individual Cutout Installation 10 2 4 4 Individual Cutout Wiring 17 2 5 Operation 21 2 6 Maintenance 22 2 6 1 Introduction 22 2 6 2 Grounding Cover 22 2 7...

Page 6: ...Series Cutout SCO ADB Airfield Solutions All Rights Reserved 96A0294 Rev G vi ...

Page 7: ... OR ARC FLASH Disconnect equipment from line voltage Failure to observe this warning may result in personal injury death or equipment damage ARC Flash may cause blindness severe burns or death WARNING WEAR PERSONAL PROTECTIVE EQUIPMENT Failure to observe may result in serious injury WARNING DO NOT TOUCH Failure to observe this warning may result in personal injury death or equipment damage CAUTION...

Page 8: ...licable safety regulations If safety devices must be removed for installation install them immediately after the work is completed and check them for proper functioning prior to returning power to the circuit Failure to follow these warnings may result in serious injury or equipment damage IMPORTANT INFORMATION IEC International Standards and Conformity Assessment for all electrical electronic and...

Page 9: ...ed Do not operate this equipment in humid flammable or explosive environments unless it has been rated for safe operation in these environments Never touch exposed electrical connections on equipment while the power is ON Failure to follow this instruction can result in equipment damage CAUTION IMPROPER STORAGE If equipment is to be stored prior to installation it must be protected from the weathe...

Page 10: ... 5000 Vac and may appear OFF to a meter Never unplug a device from a constant current circuit while it is operating Arc flash may result Disconnect and lock out electrical power Always use safety devices when working on this equipment Follow the recommended maintenance procedures in the product manuals Do not service or adjust any equipment unless another person trained in first aid and CPR is pre...

Page 11: ...tall Carry Out Maintenance Carry Out Troubleshooting on the SCO 2 1 1 How to work with the manual 1 Familiarize yourself with the structure and content 2 Carry out the actions completely and in the given sequence 2 1 2 Record of changes 2 2 SCO Introduction Figure 1 SCO Cutout Page Rev Description Checked Approved Date A Manual release ER WT 5 13 02 16 B Changed dimension in Figure 9 from 5 9 in t...

Page 12: ... Cover 2 Body 3 Insulation Measurement Socket 4 Lock and Key 5 Interlock Switch Located Inside Cutout 6 Interlock Switch Wiring Shield Connection If Used 7 Interlock Switch Terminals If Used 8 Grounding Terminals 2 9 L 824 Shield Grounding Clamp Screws 3 10 Body Fastening Hole 11 Airfield Series Cable Stress Relief and Airfield Cable Shield Grounding Clamp 1 2 3 5 7 4 9 8 10 11 6 ...

Page 13: ...tion The regulator is connected to the series circuit and the interlock switch if used is activated Maintenance The regulator and the series circuit are both shorted and grounded and the interlock switch if used is not activated Test and Measure The regulator is shorted and grounded the series circuit is shorted and connected to the measurement socket and the interlock switch if used is activated ...

Page 14: ... Airfield Solutions All Rights Reserved 8 96A0294 Rev G 2 2 1 SCO Cutout Required Equipment Table 2 Required Equipment Supplied Description Quantity SCO cutout with two keys 1 Instruction manual 1 Handle Position decal 1 Read Manual decal 1 ...

Page 15: ...Interlock Switch Rating Interlock switch rating is 2 A 440 V ac Key Lockable The SCO cutout is key lockable in any position Operating Temperature 55 to 55 C 67 to 131 F Weight The SCO cutout weighs 6 lb 2 7 kg Dimensions See Figure 4 for SCO cutout dimensions Figure 4 SCO Cutout Dimensions 2 4 in 60 mm 5 1 in 130 mm 5 5 in 140 mm 0 63 in 16 mm 2 1 in 46 mm 8 7 in 220 mm ...

Page 16: ...he following ways On the wall or rack Unistrut or similar type of channel beside the CCR In a Field Junction Box containing a large number of cutouts In a separate enclosure beside the CCR In case L 847 circuit selectors are used the cutouts may be used on either side input or output of the selectors but preferably on the output side one cutout for each series circuit Some installations use a cuto...

Page 17: ...otect the wire leads CAUTION Mount the SCO cutout only on a flat level surface Do not mount the SCO cutout directly on a UnistrutTM channel or other similar channels Mounting the cutout on a Unistrut channel may cause the ear of the cutout to crack since the channel is unsupported If you must install the cutout on a Unistrut channel fasten a customer supplied in thick mounting plate to the channel...

Page 18: ...nterlock switch wire location may vary according to wire routing method 0 688 inch 0 688 inch 9 62 inch 11 0 inch 13 0 inch 11 625 inch 7 66 inch 1 75 inch 2 25 inch 15 64 Drill Thru 4 places Drill and Tap 3 8 16 UNC 2B Thru 2 Places 1 50 inch Diameter optional location through mounting plate see Note 194 49 mm 38 10 mm 5 95 mm 17 46 mm 17 46 mm 44 45 mm 57 15 mm 9 52 mm 330 20 mm 295 27 mm 244 47...

Page 19: ...ck switch is wired through the back of the panel as shown in Figure 5 NOTE If the switch is wired from the front side of the mounting plate cut a thin wall found at the end of the molded channel as shown in Figure 6 Item 3 2 Drill two holes on the plate and tap 3 8 16 x 1 UNC as shown in Figure 5 3 See Figure 7 Mount the cutout on the plate using two 3 8 16 x 1 long hex head cap screws and two 3 8...

Page 20: ...ries Cutout SCO Installation ADB Airfield Solutions All Rights Reserved 14 96A0294 Rev G Figure 7 Mounting Cutout on Plate 1 SCO Cutout 2 Mounting Plate 3 Screws and Lockwashers for Mounting Cutout 1 2 3 ...

Page 21: ... flat washers and 3 8 lockwashers Figure 8 Mounting the Cutout in a External Enclosure 2 Drill four mounting holes in the back wall of the enclosure Drill input and output holes in the enclosure as required by site plans Install contractor supplied grommets or other suitable contractor supplied cable clamps on all cable entrance and exit holes 3 Locate and mount the enclosure to the wall or other ...

Page 22: ...y Side See Figure 9 for mounting multiple SCO cutouts side by side Figure 9 shows the minimum distance between two adjacent SCO cutouts This ensures that enough room exists to get to the key to operate the locking device Figure 9 Installing Multiple Cutouts Min 9 25 in 235 mm Input Side Output Side Symbol Mounting Hole 7 66 inch 194 49 ...

Page 23: ...the key 4 and remove the cover 1 2 See Figures 6 and 11 If required wire the interlock switch The interlock switch is used to further reduce the risk that the CCR is turned on when the CCR is in remote control The interlock switch is connected between the CCI terminal the remote control power source and the CC terminal the ON remote control command CAUTION SCO cutouts should not be wired in any ma...

Page 24: ...nd in the vault according to the local or NEC requirements 6 If using unshielded L 824 wire connect the CCR input and output wires to the SCO cutout by performing the following procedure a See Figure 2 Remove and discard the cutout clamp 11 and clamp screws 9 from the cutout Only the grounding screws 8 should remain b Strip the input and output cable wires to in 13 0 mm from the end of the wire Se...

Page 25: ...re b Connect the input L 824 wire 1 to the SCO cutout NOTE Unshielded cable should be used between the CCR and the SCO c See Figure 2 Remove the clamp 11 WARNING Do not allow the end of the cable wire to extend beyond the output post 3 more than 1 16 of an inch 1 5 mm WARNING Do not allow the end of the cable wire to extend beyond the input post more than 1 16 of an inch 1 5 mm Input Post Output P...

Page 26: ...gure 13 Connect the input L 824 wire 1 to the SCO cutout d Connect the output L 824 wire 4 to the SCO cutout OR See Figure 14 If using shielded L 824 wire to connect the output wires from the SCO cutout performing the following procedure a Strip the input and output cable wires to inch 13 mm from the end of the wire Make sure that any plastic coating on the wire is cut off b Connect the input L 82...

Page 27: ...connected to the CCR Disconnected from the CCR shorted and grounded disconnected from the CCR shorted and connected to the measurement socket Item 3 Figure 2 The CCR is delivering current to the series circuit shorted and grounded shorted and grounded The interlock switch See NOTE 2 is activated and allows the CCR to be ON not activated and inhibits the CCR to be ON activated and allows the regula...

Page 28: ...ance reading 6 When finished restore the system to its original position 2 6 2 Grounding Cover A technique used during series circuit maintenance and troubleshooting procedures is to connect one of the constant current regulator output terminals to earth ground SCO Grounding Covers are now available to allow this to be quickly and easily accomplished Two different Grounding Covers are used Substit...

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