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SERIES 300 
Quick Connect Input and Output Power Panels 
2000 - 4000 Amp Pad Mount 
Installation Manual

 

381333-476 A 
11/2020 

 

DANGER is used in this manual to warn of a 
hazard situation which, if not avoided, will result  
in death or serious injury. 

 

WARNING is used in this manual to warn of a 
hazardous situation which, if not avoided, could 
result in death or serious injury. 

 

CAUTION is used in this manual to warn of a 
hazardous situation which, if not avoided, could 
result in minor or moderate injury. 

Important: 

This manual contains information critical to the proper 
installation and operation of the ASCO SERIES 300 Quick 
Connect Power Panels.  Be certain to read and understand all 
instructions prior to installation and operation.

 

 

The ASCO SERIES 300 Quick Connect Power 
Panel must be installed in  conjunction with a 
transfer switch. 

ASCO SERIES 300 Quick Connect Input Power panels 
are ETL listed to UL1008 standards. ASCO SERIES 300 
Quick Connect Output Panels are ETL listed to UL 891 
Standards for Switchboards. 

Limited Warranty 

When this ASCO SERIES 300 Quick Connect Power Panel is 
installed and operated according to the manual’s instructions 
ASCO Power Technologies will repair or  replace any of its 
mechanical or electrical parts if they are found to be defective in 
material or workmanship within two year of the purchase date.

 

Maintenance 

The ASCO SERIES 300 Quick Connect Power Panels will 
require periodic  maintenance. ASCO Power Technologies 
recommends annual inspections to keep the panel in safe 
operating condition. ASCO Power Technologies recommends 
that the Pre-Operation and Maintenance Checklist under 
Appendix A serve as a basis for annual inspection.

 

Technical Support 

ASCO Power Services are available to assist in resolving 
issues by calling 1-800-800 2726 (ASCO) or emailing 
powerwarranty@ascopower.com. For any other information, 
please refer to ascopower.com 

 

 

 
 

Summary of Contents for 381333-476 A

Page 1: ...SERIES 300 Quick Connect Input Power panels are ETL listed to UL1008 standards ASCO SERIES 300 Quick Connect Output Panels are ETL listed to UL 891 Standards for Switchboards Limited Warranty When this ASCO SERIES 300 Quick Connect Power Panel is installed and operated according to the manual s instructions ASCO Power Technologies will repair or replace any of its mechanical or electrical parts if...

Page 2: ...operation 6 Step 7 Determining phase rotation of generator 6 Step 8 Conduct a safety test to ensure proper installation 6 Step 9 Making Cam Connections 6 Step 10 Connect 2 wire auto start circuit 7 Step 11 Close and lock lower chamber door allowing cables to exit through smaller cable door 7 Step 12 Powering Up 8 Step 13 Disconnection 8 Installation Output Panels 9 Step 3 Wiring the Bus Bars 9 Ste...

Page 3: ...monoxidepoisoningfromimproperly ventilated generator emissions the Power Panelmust be mounted outdoors only The mounting location is to be carefully selected to allow convenient connection to a generator and located a suitable distance away from any building openings or HVAC inlets Proper clearance must be allowed in front of the ASCO SERIES 300 Quick Connect Power Panel to allow for opening of ac...

Page 4: ...er than the ASCO SERIES 300 Quick Connect Power Panel Figure 2 Step 1 Fasten the ASCO SERIES 300 Quick Connect Power Panel to secure base 1 Base must be level and plumb to allow for proper drainage from ASCO SERIES 300 Quick Connect Power Panel weep holes 2 Fastening onto an external wall using 3 8 fasteners must be completed prior to proceeding with any terminations See Figure 1 for hole spacing ...

Page 5: ...conduit to the ground connection point in the upper right quadrant of the panel 5 Ground conductor must be a minimum of 2 AWG Conduit shall NOT be relied upon to provide grounding protectionto tapbox 6 Continue to connect the neutral and then the phases 7 Vacuum entire upper chamber to ensure no metal shavings are left behind Three phase power systems consist of three phase or hot conductors that ...

Page 6: ...termining phase rotation of generator 1 Disconnect generator from all loads if needed 2 Connect a phase rotation meter to the output phases of the generator 3 Record generator phase rotation clockwise or counter clockwise Step 8 Conduct a safety test to ensure proper installation 1 Do not attempt to use the ASCO SERIES 300 Quick Connect Power Panel prior to installationandcompletingthe Pre Operati...

Page 7: ...or Hot ASCO SERIES 300 Quick Connect Power Panel Hot A B B A C C Properconnection Figure6 A Grasp connector jacket and firmly insert cam connector into cam plug B Push on cam connector jacket until connector fully seats in cam plug C Rotate cam connector jacket counterclockwise until it stops 5 Continue with connections beginning with the rear of the cabinet and working forward 6 Complete ALL Phas...

Page 8: ...ng from front to back Figure 9 4 Complete disconnect of ALL hot connections prior to proceeding 5 DisconnecttheNeutral white connection beginning with the closest to the front door Properdisconnection SeeFigure9 A Grasp connectorjacket firmly and rotate cam connector clockwise until it stops B Firmly pull on connector until it separates from the plug C Set aside 6 Continue with ALL Neutral white c...

Page 9: ...tectiontotapbox 7 Vacuum entire upper chamber to ensure no metal shavings are left behind Step 4 Conduct a safety test to ensure proper installation Do not attempt to use the ASCO SERIES 300 Quick Connect Power Panel prior to installationandcompletingthe Pre Operationand Maintenance Checklist under Appendix A Set up Step 5 Review Pre Operation Checklist under Appendix A prior to operation pg 8 DON...

Page 10: ... Step 9 Disconnection DONOT ATTEMPTDISCONNECTINGWHILE CIRCUITSARELIVE Open lower chamber door Orderofdisconnect 1 Disconnect the Phase hot connections beginning with the closest to the front door to the right Proper disconnection See Figure 12 1 Graspconnectorjacketfirmly androtatecamconnector clockwise until it stops 2 Firmly pull on connector until it separates from the plug 3 Setaside 4 Continu...

Page 11: ...2 Open main chamber door and remove rear and side panels Ensure unit is dry and free of debris Ensure that gaskets are pliable and no cracking exists Ensure that door hinges are secure and lubricated Ensure that keylocks are intact and operational Ensure that all load terminals are securely fastened and that the bolts are set at ninety eight 98 foot pounds of torque Ensure paint is intact with no ...

Page 12: ...wer com hot conductors 5 I inspection 1 3 11 L limited warranty 1 M maintenance 1 5 9 P phase rotation 5 6 7 plug 6 7 8 9 10 11 portable cables 11 powering up 7 10 pre operation checklist 6 9 11 S safety test 5 9 safety labels 11 site preparation 3 shipment 3 T technical support 1 terminals 5 9 11 torque 5 9 11 U unpacking 3 V visual inspection 3 11 ASCO Power Technologies 160 Park Avenue Florham ...

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