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C048-784-30 R01, Rev. B (03/2021)

4.2  

4.2  Mounting

Mounting

THIS PRODUCT MUST BE INSTALLED WITHIN A 

RESTRICTED ACCESS LOCATION WHERE ACCESS IS 

THROUGH THE USE OF A TOOL, LOCK AND KEY, OR 

OTHER MEANS OF SECURITY, AND IS CONTROLLED 

BY THE AUTHORITY RESPONSIBLE FOR THE 

LOCATION� THIS PRODUCT MUST BE INSTALLED AND 

MAINTAINED ONLY BY QUALIFIED TECHNICIANS�

SUITABLE FOR MOUNTING ON CONCRETE OR OTHER 

NON-COMBUSTIBLE SURFACE ONLY�

NOTICE

:

The TPA 250 Series fuse panel can be mounted in a front flush mount 

configuration, a mid-mount forward configuration, or a mid-mount 

rearward configuration. Depending on the desired configuration, attach 

the mounting ears accordingly (see Figure 3)� 

Step 1. 

Attach the mounting ears with included 10-32 hardware (see 

Figure 4)�

Step 2. 

Select the equipment rack location for installation of the fuse 

panel then secure the panel to the equipment rack by tightening 

hardware into the mounting ears�

4.2.1 

4.2.1 Optional Cable Lacing Bar Kit 

Optional Cable Lacing Bar Kit 

(C750-283-10)

(C750-283-10)

Step 1. 

Install the cable lacing rod in between the left and right lacing 

bar brackets by tightening a supplied 10-32 socket head screw 

into each end of the threaded rod (see Figure 5)�

Step 2. 

Attach the cable lacing bar assembly to the fuse panel by 

tightening (2) 10-32 socket head screws per side into the 

threaded holes located on each side of the fuse panel chassis 

towards the rear (see Figure 6)�

Figure 3.  Mounting ear positions

Figure 4.  Mounting ears 

(position 1 shown)

Figure 5.  Cable lacing rod

Figure 6.  Cable lacing bar assembly install

Summary of Contents for Alpha C016-2121-10

Page 1: ...TPA 250 Series High Density Connectorized DC Distribution Fuse Panel Technical Manual Effective March 2021...

Page 2: ...fumes safety information to PREVENT INJURY OR DEATH to the technician or user WARNING FUMES HAZARD FIRE HAZARD WARNING provides flammability safety information to PREVENT INJURY OR DEATH to the techni...

Page 3: ...system please contact Alpha Technologies Services Inc or your nearest Alpha representative Alpha shall not be held liable for any damage or injury involving its enclosures power supplies generators b...

Page 4: ...Device 6 4 2 Mounting 7 4 2 1 Optional Cable Lacing Bar Kit C750 283 10 7 4 2 2 Optional Rear Rack Support Kit C750 277 10 8 4 3 Chassis Ground 8 4 4 Input Connections 9 4 4 1 Safety Covers 9 4 5 Outp...

Page 5: ...ns Connectorized Outputs 100A Max per Output 250A Continuous Output Capacity 48VDC LED Display C016 2126 10 Single Input 12 50A Max TPA Fuse Positions Connectorized Outputs 100A Max per Output 250A Co...

Page 6: ...the operating ambient temperature of the rack environment may be greater than room ambient Therefore take care to install the equipment in an environment compatible with the maximum ambient temperatur...

Page 7: ...ep 1 Attach the mounting ears with included 10 32 hardware see Figure 4 Step 2 Select the equipment rack location for installation of the fuse panel then secure the panel to the equipment rack by tigh...

Page 8: ...eft and right lacing bar rear support rails by tightening a supplied 10 32 socket head screw into each end of the threaded rod see Figure 7 Multiple mounting holes are provided in the rails for optima...

Page 9: ...on Specifications TERMINATION TYPE HOLE STUD SIZE CENTER TO CENTER RECOMMENDED TORQUE VALUE Threaded stud 1 4 in 5 8 in 6 25 ft lbs Step 1 Secure the RTN input cables lugs to the RTN input studs locat...

Page 10: ...the off position then firmly insert a TPA fuse of sufficient ampacity into the position to be fed see Figure 14 Step 2 Turn on the connected load 4 7 4 7 Alarm Connections Alarm Connections WHEN DAIS...

Page 11: ...Power y B Power y Alarm 5 1 1 5 1 1 A Power LED A Power LED The A Power LED will illuminate when power is present on the A input bus 5 1 2 5 1 2 B Power LED B Power LED The B Power LED will illuminate...

Page 12: ...ual Input A B Circuits 12 12 6A 6B Input Voltage 42 to 60V DC 42 to 60V DC Input Current 250A Max 250A Max Short Circuit Withstand 10kA 10kA Maximum Fuse Size 50A TPA 50A TPA Maximum per Circuit Curre...

Page 13: ...splay C016 2127 10 Dual Input 6A 6B 50A Max TPA Fuse Positions Connectorized Outputs 100A Max per Output 250A Continuous Output Capacity 48VDC Meter Module Display C016 2128 10 Table 8 Accessories DES...

Page 14: ...10 Burndy YAV28L2ENT14FX Burndy U28RT W28VT W28RT X28RT 4 0 Long C538 122 10 Burndy YAZV282TC14FX Burndy U28RT W28VT W28RT X28RT BURNDY is the registered trademark of Hubbell Incorporated Table 12 37A...

Page 15: ...10 Blue Black C745 381 10 Red Red Tracer C745 233 10 Blue Blue Tracer C745 234 10 10 7 Red Black C745 402 10 Blue Black C745 408 10 Red Red Tracer C745 411 10 Blue Blue Tracer C745 415 10 12 Red Blac...

Page 16: ...Appendix A Mechanical Drawings Mechanical Drawings A 1 A 1 Front Rear Detail Front Rear Detail FRONT VIEW 1 720 LED MODULE METER MODULE 1 000 RETURN HOT HOT RETURN A INPUT B INPUT 100A CONNECTORIZED...

Page 17: ...17 C048 784 30 R01 Rev B 03 2021 A 2 A 2 Left Right Detail Left Right Detail SIDE VIEW...

Page 18: ...18 C048 784 30 R01 Rev B 03 2021 A 3 A 3 Top Detail Top Detail TOP VIEW 17 000 18 000 16 000...

Page 19: ...19 C048 784 30 R01 Rev B 03 2021 A 4 A 4 Rear Support Kit Minimum Depth C750 277 10 Rear Support Kit Minimum Depth C750 277 10 REAR SUPPORT KIT MINIMUM DEPTH...

Page 20: ...20 C048 784 30 R01 Rev B 03 2021 A 5 A 5 Rear Support Kit Maximum Depth C750 277 10 Rear Support Kit Maximum Depth C750 277 10 REAR SUPPORT KIT MAXIMUM DEPTH...

Page 21: ...21 C048 784 30 R01 Rev B 03 2021...

Page 22: ...Technical Support 1 800 863 3364 For more information visit our website at www alpha com 2021 Alpha Technologies Services Inc All Rights Reserved Trademarks and logos are the property of Alpha Techno...

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