ESAB 0558001729, Installation, Operation And Maintenance Manual

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SECTION 2 Description
ESP 400C Plasma Power Source
ESP 400C Plasma Power Source ESP 400C Plasma Power Source
ESP 400C Plasma Power Source
2-1
2.1 Introduction
The ESP power Source is designed for high speed
plasma mechanized cutting applications. It can be
used with other ESAB products such as the PT-15
and PT-600 torches along with the Smart Flow II, a
computerized gas regulation and switching system.

50 to 400 Amperes cutting current range

Forced air cooled

Solid state DC power

Input voltage protection

Local or remote front panel control

Thermal switch protection for main transformer
and power semiconductor components

Top lifting rings or base forklift clearance for
transport

Parallel secondary power source capabilities to
extend current output range.
2.2 General Specifications
ESP-400C 400V, ESP-400C 400V, ESP-400C 400V, ESP-400C 400V,
50Hz 50Hz 50Hz 50Hz
CE
CE CE
CE
ESP-400C 460V, ESP-400C 460V, ESP-400C 460V, ESP-400C 460V,
60Hz
60Hz 60Hz
60Hz
ESP-400C 575V, ESP-400C 575V, ESP-400C 575V, ESP-400C 575V,
60Hz
60Hz 60Hz
60Hz
Part Number Part Number Part Number Part Number 0558001730 0558001730 0558001730 0558001730 0558001729 0558001729 0558001729 0558001729 0558001731 0558001731 0558001731 0558001731
Voltage
Voltage Voltage
Voltage
200 V dc
Current range
Current range Current range
Current range
DC
DC DC
DC
50A to 400A
Power
Power Power
Power
80 KW
OUTPUT (100 OUTPUT (100 OUTPUT (100 OUTPUT (100
% duty cycle)
% duty cycle) % duty cycle)
% duty cycle)
Open Circuit Open Circuit Open Circuit Open Circuit
Voltage (OCV)
Voltage (OCV) Voltage (OCV)
Voltage (OCV)
410 V dc 427 V dc 427 V dc
Voltage
Voltage Voltage
Voltage
(3-phase)
(3-phase) (3-phase) (3-phase)
400 V 460 V 575 V
Current Current Current Current
(3- phase)
(3- phase) (3- phase) (3- phase)
138 A RMS 120 A RMS 96 A RMS
Frequency
Frequency Frequency
Frequency
50/60 HZ 60 Hz 60 Hz
KVA
KVA KVA
KVA
95.6 KVA 95.6 KVA 95.6 KVA
Power Power Power Power
87 KW 87 KW 87 KW
INPUT
INPUT INPUT
INPUT
Power Factor Power Factor Power Factor Power Factor
91.0 %
Input Fuse
Input Fuse Input Fuse
Input Fuse
Rec.
Rec. Rec.
Rec.
200A 150A 125A