ESAB 453cc - Manual (Page 8)

8
1.1 GENERAL
This manual has been prepared for use by an experi-
enced operator. It provides information to familiarize
the operator with the design, installation and operation
of the 482cc and 582cc model power sources. DO NOT
attempt to install or operate this equipment until you
have read and fully understood these instructions. The
information presented here should be given careful
consideration to ensure optimum performance of this
equipment.
1.2 RECEIVING-HANDLING
Upon receipt, remove all packing material and carefully
inspect for any damage that may have occurred during
shipment. Any claims for loss or damage that may have
occurred in transit must be filed by the purchaser with
the carrier. A copy of the bill of lading and freight bill will
be furnished by the carrier on request.
When requesting information concerning this equip-
ment, it is essential that Item number, Serial number
and Model number of the equipment be supplied.
1.3 DESCRIPTION
These power sources are designed for constant cur-
rent Stick welding (SMAW), air carbon arc gouging
(ACAG), and scratch start tig (GTAW). It can also be
used for Mig spray arc (GMAW) and flux cored wire
(FCAW) welding with an “off the arc”wire feeder. Table
1 -1 outlines the electrical and physical specifications of
the available models.
1.3.1 POWER SOURCE
The power source is a constant current, Silicon Con-
trolled Rectifier (SCR), three phase, star-connected
transformer/rectifier type dc unit with solid state contactor
and control circuitry. It provides the volt-ampere char-
acteristics desired for conventional Stick welding.
Table 1-1. Specifications for 453cc and 553cc
60.00% 100.00% 60.00% 100.00%
RATED 450 A 350 A 550 A 450 A
OUTPUT 38 Vdc 34 Vdc 42 Vdc 38 Vdc
Volts (U 1) Current (11 Current (11 Current (11 Current (11)
60 Hz (208)230 Vac 70 A 58 A 86 A 74 A
RATED 3 460 Vac 35A 29 A 43 A 37 A
INPUT Phase 575 Vac 28A 23 A 34 A 30 A
50 Hz 220/400
(380-415) Vac
60 Hz. 50 Hz. 60 Hz. 50 Hz.
339lbs(154kg) 379lbs(172kg) 363 lbs (165 kg) 400 lbs (181 kg)
349 lbs (158 kg) 389 lbs (177 kg) 373 lbs (170 kg) 410 lbs (186 kg)
453cc 553cc
55 Vdc 57 Vdc OPEN CIRCUIT VOLTAGE (Uo)
DUTY CYCLE
Current (12)
Voltage (U2)
73/40 (42-39) A 61/33 (35-30) A 90/49 (52-47) A 77/43 (45--41) A
83.00% 83.00%
20A/20V to 450A/38Vdc
115 V ac @ 10 A, 60 Hz
20A/20V to 550A/42Vdc
115 V ac @ 10 A, 60 Hz
25.0" (62.2 cm)
18.8" (48.3 cm)
32.5" (81.9 cm)
25.0" (62.2 cm)
18.8" (48.3 cm)
32.5" (81.9 cm)
Pow er Factor at Rated Output
Net Weight
Shipping Weight
Welding Range
Auxiliary Pow er
PHYSICAL SPECIFICATIONS
Height (w ithout lifting eyebolt)
Width
Depth
NOTE: The 453cc and 553cc may also operate from a 200 (208)- volt a.c. primary input using the 230 volt change over connections. However,
when connected to this source (200-volt), the output is derated to 36 volts @ 400 amps (453cc) and to 38 volts @ 500 amps (553cc).
The 453cc and 553cc 50 Hz may operate from 380 vac or 415 vac primary input when using the 400 vac change over connection. When using
this connection, the output voltage is derated from 38 v to 36 v (453cc) and 42 v to 38 v (553cc).
SECTION 1 DESCRIPTION