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UPS 1000S/ UPS 1200S Uninterruptible Power Supplys Caterpillar


Fuse (Controls Cabinet)

Usage:

ES12F CZE
The Controls Cabinet contains the control power fuses for power coming to the Controls Cabinet. The left panel of the cabinet holds three fuse blocks with ten fuses and the rear panel holds two fuse blocks with seven fuses on the rear panel of the cabinet.
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Illustration 1g01277292

Controls Cabinet Left Panel

(17) Breaker and Contactor Status Board

(18) Remote EPO Terminal Block

(19) T8 Modem Power Transformer

(20) T6 Transformer

(21) General Purpose Interface Board

(22) Fan Power Fuse Block

(23) Fuses F29-F32

(24) Fuses F20-F22

(25) Fuses F25-F28

(26) EPO Reset

(27) Neutral Distribution Terminal

(28) K1 Motor Power Relay (K9)

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Illustration 2g01277295

Controls Cabinet Back Panel

(29) Customer Contacts Interface Board #2 (Optional)

(30) DC Bus Pre-charge Circuit Resistors

(31) T1 - T4 Transformers

(32) Power Supply Board (PWS)

(33) Customer Contacts Interface Board #1

(34) Power Supply Board (PWS)

(35) Thermistor

(36) Fuse F69

(37) Fuses F88-F90 F70-F72

(38) Zig-Zag Transformer

(39) K7 Pre-charge Contactor

(40) K6 Pre-charge Contactor

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Illustration 3g01277491

Controls Cabinet AC Capacitor Fuses

(41) AC Filter Fuses (F34-F36)

(42) AC Filter Fuses (F37-F39)

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Illustration 4g01277564

Controls Cabinet Left Panel Fuse Wire Connections

Refer to Systems Operation, Testing and Adjusting, "General Information (Controls Cabinet)" for the location of the left panel in the cabinet. Refer to Systems Operation, Testing and Adjusting, "General Information (Controls Cabinet)" for the locations of the rear panel in the cabinet. Refer to Illustration 1 for the location of the fuse blocks on the left panel. Refer to Illustration 2 for the location of the fuse blocks on the rear panel. Refer to Illustration 4 and Illustration 4 for specific fuse locations.

There is also a set of fuses for the three fans in the system. These fuses are located on the left panel to the right of the System Fuse Block for F25-F28. Refer to Illustration 1 for the fan fuse location.

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Table 1
Control Cabinet System Fuses    
Fuse     Amperes     Protects    
F20     30     High Voltage AC Output via Wire Way for CSHV Control Power    
F21     30     High Voltage AC Output via Wire Way for CSHV Control Power    
F22     30     High Voltage AC Output via Wire Way for CSHV Control Power    
F25     1     T5 Secondary - T8 External Modem. Optional.    
F26     1     K11 Zig-Zag Relay 230 in the Static Switch cabinet    
F27     10     T6 Secondary - Control Cabinet Fans and Fan Fuse Block    
F28     10     T6 Secondary - BCS (J4-3 via SW1) 230V Control Power in Controls Cabinet    
F29     7     T6 Transformer    
F30     7     T6 Transformer    
F31     12     T7 Transformer    
F32     12     T7 Transformer    
F34     200     AC Filter Capacitors Bank 1 Phase A    
F35     200     AC Filter Capacitors Bank 1 Phase B    
F36     200     AC Filter Capacitors Bank 1 Phase C    
F37     200     AC Filter Capacitors Bank 2 Phase A    
F38     200     AC Filter Capacitors Bank 2 Phase B    
F39     200     AC Filter Capacitors Bank 2 Phase C    
F69     10     Two PWS Boards 24Vdc (J8-1) in Controls Cabinet    
F70     8     Zig-Zag Transformer Phase A in Controls Cabinet    
F71     8     Zig-Zag Transformer Phase B in Controls Cabinet    
F72     8     Zig-Zag Transformer Phase C in Controls Cabinet    
F88     3     DC Bus Pre-charge Circuit Resistors Phase A    
F89     3     DC Bus Pre-charge Circuit Resistors Phase B    
F90     3     DC Bus Pre-charge Circuit Resistors Phase C    

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Table 2
Controls Cabinet Fan Fuses    
Fuse     Amperes     Protects    
CC-TB1-F1     3.15     Fan 1 (Left)    
CC-TB1-F2     3.15     Fan 2 (Middle)    
CC-TB1-F3     3.15     Fan 3 (Right)    
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Illustration 5g01277563

Controls Cabinet Rear Panel Fuse Wire Connections

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Illustration 6g01277576

AC Filter Capacitor Fuse Wire Connections

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