ESAB PCM-1125 Instruction Manual page 41

Plasma arc cutting package
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SECTION 6
Item
Qty
Part
No.
Req.
51
2
951185
52
1
952002
53
1
952872
951831
54
1
952208
55
1
37560
56
2
952237
2
952562
57
2
994674
58
2
951028
59
1
38157
60
1
951964
1
951892
61
1
36822
62
1
37561
63
1
950487
64
1
952235
65
1
2062282
66
3
950591
3
951963
67
1
17750010
68
1
32958
69
1
952255
1
952585
70
1
17145339
71
1
950711
72
4
17721020
73
1
951202
74
1
952887
75
1
950247
76
1
951471
77
1
17250010
78
4
951313
79
2
37562
79A
1
951314
Fig. 6-3. PCM-1125 Power Source, Left Side View (460/575)
No.
Description
BRIDGE 100ADC 100NS 600 V (includes PAD - 951518)
CORE SATURABLE
MODULE DUAL IGBT 200A, 1200 V (460 V)
MODULE DUAL IGBT 200A, 1400 V (575 V)
(includes PAD - 951833)
STANDOFF INS (Not used on 575 V)
BUSBAR POS
CAPACITOR 180µf 450 VDC (460 V)
CAPACITOR 1800µf 500 VDC (575 V)
GROMMET STRIP
CAPACITOR 1µf 630 VDC (See wiring)
PCB ASS'Y B/A x 1/4 NPT RUB
CAPACITOR 2µf 800 VDC (460 V)
CAPACITOR 0.68µf 1200 VDC (575 V)
HOSE ASS'Y B/A x 1/4 NPT RUB
BUSBAR NEG
TERM BLOCK 2 POS (Not used on 575 V)
MODULE INPUT BRIDGE/SCR
(includes PAD - 952280)
CAPACITOR .22µf 1KV (See wiring)
METAL OXIDE VARISTOR 510 V (See wiring)
METAL OXIDE VARISTOR 625 V (575 V) (See wiring)
RESISTOR 50W 10 OHM (PAD - 951194)
CURRENT TRANSFORMER ASS'Y
CAPACITOR 40µf 400 VDC (460 V)
CAPACITOR 20µf 600 VDC (575 V)
RESISTOR 39K 2W
THERMAL SWITCH 194°F
RESISTOR 25W 20 OHMS (PAD - 951193)
FLOWSWITCH .25 GPM
HEATSINK
SOL, VALVE 1/4 NPT 165 PSI 24 VAC
DIODE ZENER 60 V 75M A
RESISTOR WW FIXED 50 W 10 OHM
CAPACITOR PULSE 0.01µf 1KV
BUSBAR OBR
CAPACITOR .022µf 1KV
REPLACEMENT PARTS
41
Circuit
Symbol
D1, 2
L3
Q1
Q1
TB3
C1, 2
C1, 2
C3, 15
OCB2
C16
C16
TB5
IBR
C19
MOV1, 2, 3
MOV1, 2, 3
R7
T4
C4
C4
R9
TS1
R3, 4, 5, 6
FS
SOL1
ZD1
R10
C5, 6, 7, 8
C10

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