User Manual California Instruments
14 CSW Series
2. Specifications
All specifications are for a single CSW5550 unit and 25 5C sine wave output with a resistive
load unless noted otherwise.
2.1 Electrical
2.1.1 Input
Function Specification
Input Power
Standard: 208 to 240V
L-L
±10%, 3
, 3 wire or
option: 380 to 415V
L-L
±10%, 3, 4 wire
Input Power Factor 0.99
Input Frequency Range 47 to 440 Hz
Efficiency 70% minimum at full-load
Ride-through or hold-up 10 mSec, minimum
Input Current See Table below
Input Turn-on Current
Surge
Limited to less than peak value of RMS listed
in Tables below
MAXIMUM LINE
CURRENT
MAXIMUM
NEUTRAL
CURRENT
RECOMMENDED
CIRCUIT BREAKER
RATING (MAX.)
USA 27A RMS Not Required 40A RMS
INTL 14A RMS 14A RMS 20A RMS
Input Currents for 3-Phase Input Power
REQ’D INPUT
TERMINAL JUMPER
CONNECTIONS
CONNECT 1-
PHASE INPUT
POWER TO
VOLTAGE
MAXIMUM
INPUT
CURRENT
RECOMMENDED
CIRCUIT BREAKER
RATING (MAX.)
USA ØA to ØB ØA, ØC
187-264
VRMS, L-L
30A RMS 40A RMS
INTL
ØA to ØB,
ØB to ØC
ØA, Neutral
187-264
VRMS, L-N
45A RMS 40A RMS
* Only Phase A and Phase B are present at the output.
Single-Phase Input Configurations
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