User Manual California Instruments
28 CSW Series
3. Unpacking and Installation
3.1 Unpacking
Inspect the unit for any possible shipping damage immediately upon receipt. If damage is
evident, notify the carrier. DO NOT return an instrument to the factory without prior approval.
Do not destroy the packing container until the unit has been inspected for damage in shipment.
WARNING: This power source weighs 126.5 lb (57.2kg). Obtain adequate help when
moving or mounting the unit.
3.2 Power Requirements
The CSW5550 Power Source has been designed to operate from a 3-phase, 3-wire, 187 to 264
V
L-L
, AC line or a 3-phase, 4-wire, 342 to 457 V
L-L
,AC line
(option -400).
CAUTION: Do not connect 400V into the 187-256V unit, the result could be a severely
damaged unit.
Figure 3-1:CSW5550
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