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Istruzioni per l'uso ADC, Modello PowerWorx Power Distribution

Produttore : ADC
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Lingua di insegnamento: en
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• Relay contacts for alarms (corresponding to red LEDs above). The alarm contacts may be used to open or close a loop connected from an external alarm system. 1.2 Fuse Platform Components The Select Series Fuse Platform, shown in Figure 1, is a customer-configurable product containing either one or two power buses. Each power bus is connected to multiple fuse holder modules. In a dual bus platform, the two buses are mirror images of one another, having the same types of fuses and the same size fuse holder modules. Page 1 © 2006, ADC Telecommunications, Inc. ADCP-80-575 • Issue 2 • December 2006 Page 2 © 2006, ADC Telecommunications, Inc. Figure 1. Dual Bus KLM-GMT Fuse Platform PROTECTIVE 18877-B COVER REAR VIEW MOUNTING BRACKETS (2), INSTALLED FOR 19-IN. (48.26 CM) RACK MOUNTING UL/CSA/CE LABEL BUS A GMT FUSE HOLDER (4 POSITION) BUS B KLM/KTK FUSE HOLDER BUS B POWER INPUT TERMINALS BUS A POWER INPUT TERMINALS BUS B GMT FUSED POWER OUTPUT TERMINALS BUS A GMT FUSED POWER OUTPUT TERMINALS BUS B KLM/KTK FUSED POWER OUTPUT TERMINALS BUS A KLM/KTK FUSED POWER OUTPUT TERMINALS BUS B GMT FUSE HOLDER (4 POSITION) FRONT VIEW BUS A KLM/KTK FUSE HOLDERS BUS A POWER ON INDICATOR (GREEN LED) BUS B POWER ON INDICATOR (GREEN LED) DESIGNATION CARD AND CARD HOLDER COVERS FOR INPUT POWER TERMINALS BUS A KLM/KTK FUSE ALARM INDICATOR (TYPICAL) BUS B KLM/KTK FUSE ALARM INDICATOR (TYPICAL) BUS A GMT FUSE ALARM INDICATOR BUS B GMT FUSE ALARM INDICATOR ALARM TERMINALS CHASSIS GROUND STUDS ADCP-80-575 • Issue 2 • December 2006 Warning: Use of one bus only on a dual bus panel will result in false alarms for the unused bus. Power is required on both buses on a dual bus panel for normal operation. Depending on customer order, the fuse platform may have one fuse type alone, or GMT fuses in combination with one other fuse type (KLM or TPA). The number of fuse positions on each bus is dependent on the maximum current limit, as well as on the current value of the fuses and the width of the fuse holders. The maximum current input per bus is 100 Amps. Note: The continuous output load of the equipment during normal operation should not exceed 80% of the rated value of the fuse. This allows some room for manufacturing tolerances and voltage fluctuations in the plant power mains. Figure 1 shows the external features of a typical fuse platform (in this case, a dual bus fuse platform with four KLM and four GMT fuses per bus). 1.3 Product Options The following configurations of fuses are available: • Four TPA fuses with four or ten GMT fuses • Two or four KLM or KTK fuses with four or ten GMT fuses • Any of the above fuse types alone including: – Four TPA fuses per bus – Two or four KLM or KTK fuses per bus – Ten GMT fuses per bus Fuse capacity varies per fuse type (see Section 1.8, Bus Capacity on page 8). The total fuse output cannot exceed 100 Amps per bus (200 Amps per dual bus platform). Note: The continuous output load of the equipment during normal operation should not exceed 80% of the rated value of the fuse. This allows some room for manufacturing tolerances and voltage fluctuations in the plant power mains. All fuse platforms have power-on LEDs that light in green indicating the presence of power and fuse alarm LEDs that light in red indicating a blown fuse. In addition, the fuse alarm LEDs on the enhanced KLM fuse platform have a green state indicating that a fuse is installed and receiving power. Two types of alarm contacts are available: wire wrap or screw-down barrier terminal strip. Two fuse platform mounting options are available: EIA/WECO or ETSI. (All fuse platforms can be installed in either a 19-inch or 23-inch rack. The fuse platform comes with mounting brackets for both rack widths.) Page 3 © 2006, ADC Telecommunications, Inc. ADCP-80-575 • Issue 2 • December 2006 1.4 Packaged Hardware The fuse platform is shipped with hardware components (shown in Figure 2) that are packaged separately and enclosed in the same carton. The packaged hardware components include the following items: • Two sets of mounting brackets (for 19-inch or 23-inch rack mounting)—Used to mount the panel on the equipment rack. • 5/16-inch long, Phillips drive, 8-32 flat-head thread-forming screws (8)—Used to secure the mounting brackets to the panel. • 3/8-inch long, combination drive, 12-24 pan-head screws (4) and #12 flat washers (4)— Used to secure the mounting brackets to the equipment rack. • #10 ring terminals (2) for 12–10 AWG wire—Used to connect the grounding cables to the grounding studs. • Rear protective input terminal covers and output terminal covers—Used to prevent accidental contact with the power input and output terminals. The number of covers provided depends on the fuse configuration. • Designation card and card holder—Used to record information about the protected equipment. The card holder has a pressure-sensitive adhesive backing to permit attachment to the panel, the rack, or a location close to the panel. The designation card inse...


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