HI Power Supply User Manual
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1.2 Specification Summary
Tables 1-1 and Table 1-2 below summarize the 24K and 50K input parameters, followed by Table 1-3
outlining the general Module specifications.
Tables 1-1
Note: This product is recommended for CV MODE (Constant Voltage Mode)
Hi-power 240 Electrical Specifications
Input Parameter
19” Rack 24 KW strapped as
1-phase 220 Vac Nominal
19” Rack 24 KW strapped as
3-phase 208/240 Vac Nominal
(Hidc24L3A/L)
Input range
180 Vac to 277 Vac
(Nominal rating 220 Vac)
187 Vac to 277Vac
(Nominal rating 208/240 Vac)
Number of phases
1-phase
3-phase (Wye or Delta) 4 wire
total (3-phase and 1 protective
earth ground)
Frequency
47-63 Hz
Max current/phase
188 A @180 Vac
122 A @ 220Vac
85 A @ 187 Vac
Under voltage detection
Nominal input locked on at turn-on. Under voltage shutdown at
15% below nominal. Turn-on at 12% below nominal. Not to
interfere with SEMI F47 specs
Current inrush
2.5 x Max input current
Input leakage current
< 2.5 mA (Note for fixed condition 3rd edition leakage = 5 mA)
Power switch
Front panel power switch provided
Input protection
Internal fuse (not user serviceable)
Input overvoltage protection
Up to 115% of nominal input shall not damage unit
Rack parallel
Up to 2 racks (50KW)
Standby voltage
5V
Standby max current
1A
