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DPU1U SERIES

INSTALLATION & OPERATING MANUAL

P O W E R I N G   T E C H N O L O G Y

Document Number: DPU1U-MAN Rev. 4

dpu1u-man-rev1-0719.indd

2.0     FEATURES

2.1

 

The following is a summary of the important features of the Series.

 

 Thin Height: 1.75 inches (1mounting position)

 

 19 or 23-Inch Rack Mounting

 

 Dual A/B Loads or Single Load with LVD

 

 Current Capacity: 60 to 150A per Load (Depends on Model)

 

 Operating Voltage: 12, 24 or 48VDC

 

 Positive or Negative Ground

 

 Red/Green LED Indicators

 

 2 Form C Relay Contacts per Load

 

 Load Protection: GMT Fuses or Magnetic Circuit Breakers

 

 LVD Protection: 70A Magnetic Circuit Breaker with Bypass Option

 

 Independent and Isolated Loads

 

 Input Connections: Crimp Type Lugs

 

 Output Connections: Barrier Terminal Strips or Crimp Type Lugs (LVD)

 

 Reverse Polarity Protected

3.0   PRODUCT DESCRIPTION

The following describes the basic features of each panel segment.

3.1 

Circuit Breakers (A side or B side)

 

 1 to 6 Circuit Breakers*

 Current Capacity: 150A

 Circuit Breaker Capacity: 1A to 50A

* Maximum of 5 circuit breakers if 40-50A breakers

   are used.

Available Ratings

1A, 2.5A, 5A, 10A, 15A,

20A, 25A, 30A, 40A, 50A

3.2 

GMT Fuses (A side or B side)

 

 10 GMT Fuse Positions

 Current Capacity: 80A

 Fuse Ratings: ½A to 12A

Available Ratings

½A, ¾A, 1A, 1½A

2A, 3A, 5A, 10A, 12A

Summary of Contents for UNIFLEX DRU1U Series

Page 1: ...y can be mounted from the front of the rack with offsets every quarter inch from front to back to align with existing rack mounted equipment FEATURES One Mounting Position High 1 75 19 or 23 Inch Rack...

Page 2: ...w voltage disconnect specified by L 2 A bypass switch must also be designated YES or NO 3 For a breaker panel each breaker must be specified with highest current in position 1 down to lowest current i...

Page 3: ...N PANELS Document Number DPU1U MAN Rev 4 UNIPOWER LLC 65 Industrial Park Rd Dunlap TN 37327 Phone 1 954 346 2442 Toll Free 1 800 440 3504 Web site www unipowerco com 2019 UNIPOWER LLC All Rights Reser...

Page 4: ...TRODUCTION 4 2 0 FEATURES 5 3 0 PRODUCT DESCRIPTION 5 4 0 SAFETY INDUSTRY STANDARDS 6 5 0 WARRANTY summary 6 6 0 DESCRIPTION OF OPERATION 7 7 0 SPECIFICATIONS 8 8 0 FRONT PANEL DESCRIPTION 9 9 0 BACK...

Page 5: ...MT Fuse Section Front Panel View 9 Figure 6 LVD Front Panel View 9 Figure 7 Center Section Front Panel View 9 Figure 8 Back Panel View with LVD 10 Figure 9 Back Panel View with Dual Distribution 11 Fi...

Page 6: ...ng rackmounted equipment DPU1U Series provides a combination of circuit breaker or fuse distribution on the A side with an LVD or distribution on the B side Figure 1 shown the three possible combinati...

Page 7: ...GMT Fuses or Magnetic Circuit Breakers LVD Protection 70A Magnetic Circuit Breaker with Bypass Option Independent and Isolated Loads Input Connections Crimp Type Lugs Output Connections Barrier Termi...

Page 8: ...operating these combination anels the chassis ground terminal must be connected to the system frame ground or other proper safety ground for the protection of personnel 4 5 All connections to these co...

Page 9: ...S OPTION Figure 2 Distribution Block Diagram 6 2 LVD Circuits Figure 3 shows a simplified diagram of the LVD circuit The LVD is connected to a rectifier bus battery and distribution panel The contact...

Page 10: ...Alarm Indicator LED on Each Side LED Status Fuse Breaker Sections Green Normal Red Alarm Off No Power LVD Section Red LVD Contactor or Battery Breaker Open Off Normal Alarm Connections Fuse Breaker Tw...

Page 11: ...F O ON I 15 17 12 434 9 REAR VIEW FRONT VIEW Cas Figure 4 Distribution Section Front Panel View The front panel of the GMT fuse distribution section shown in Figure 5 below can each accommodate up to...

Page 12: ...Red 3 401 1500 0060 Blue 401 1500 0020 Brown 5 401 1500 0070 Green 1 401 1500 0030 Gray 10 401 1500 0080 Red White 11 3 401 1500 0040 White 12 401 1500 0090 Green Yellow 2 401 1500 0050 Orange DUMMY...

Page 13: ...o spring clamp terminal blocks for the Form C relay contact outputs Below these is a chassis ground terminal 9 2 Input Connections also Output Connections for LVD See Figure 10 The DC power inputs to...

Page 14: ...mum of two high current breakers is allowed 1 2 3 4 5 6 7 8 9 10 40 50A LOADS 10 32 1A to 30A LOADS 6 32 0 75 19 1 0 5 12 7 0 378 9 60 Figure 11 Output Barrier Strip Detail 9 5 Form C Relay Contact Ou...

Page 15: ...is either loss of input power one or more circuit breakers trip or the relay is de energized the normally open contacts close and the normally closed contacts open See table 6 RELAY STATE MEANINGS Rel...

Page 16: ...Mount it from the front of the rack using the correct offsets to align with existing rack mounted equipment The bracket offsets are every quarter inch from front to back 11 2 Power Connections Input c...

Page 17: ...asure the resistance between C and N O This which should read open Measure the resistance between C and N C This should read short Replace the blown fuse with a good one or reset the circuit breaker 1...

Page 18: ...d application 12 4 If the combination panel did not operate properly in the above tests go back and double check the connections and the polarity of the input source to make sure it is correct Please...

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