303 Series Mechanical Details
303L Front View
303L Rear View
1
4
9 10 11 12 13 14
15 16
17
18
19 20
2
3
5
6
7
8
1 - HV ON/OFF Push Buttons/Status LEDs (L models only) 11 - Remote Programming Connector
2 - Detail Operating Status LEDs
12 - Coolant Refill connection
13 - HV Output Connector
14 - Cooling Water Inlet
15 - HV Tank Pressure Gauge
16 - Cooling Water Outlet
17 - Ground Stud
3 - Local/Remote Keyswitch (L model only)
4 - 10-Turn HV Output Control (L models only)
5 - View Set Push Button (L model only)
6 - Voltage Display and Bar Graph (L models only)
7 - Current Display and Bar Graph (L models only)
8 - Power Switch
18 - AC Input Connector
9 - Inhibit BNC (L models only)
19 - Interlock/Remote Power On Terminals
10 - Slave Supply Programming Connector (L models only) 20 - Cooling Fan
Outline Drawings
IN
COOLANT WATER
OUT
STATUS
HV ON
VOLTAGE
MODEL 303
HV ON
ADJUST
10 TURN INC
kV
TDK-Lambda
PN:00489200
Rev:A
HV OFF
%
SN:13A7594
CN:
MD:303L-50KV-POS
INHIBIT
0
10
20
30
40
50
60
70
80
90
100 110
END OF CHARGE
INTERLOCK OPEN
LOAD FAULT
HV OFF
CURRENT
A
OVERTEMP
%
INH
50
0
10
20
30
40
50
60
70
80
90
100 110
CONTROL
OFF
10
0
TB2
1
2
3
4
REMOTE
LOCAL
-10
-20
-30
inHg
20
VIEW SET
POWER
30
psi
INTERLOCK/POWER ON
IN THE
UMASDEA
kPa
HV OUTPUT
STATUS
ENABLE
HIGH VOLTAGE
HV ON
COOLANT
FULL
INPUT POWER
HIGH LINE
A
1
B
2
C
3
N
4
GND
5
INHIBIT
HV OFF
WARNING
FAULT
LOW LINE
PRESSURE
!
AUTOINHIBIT
SUMMARY FAULT
LOAD FAULT
LINE FAULT
END OF CHARGE
EXCESS REVERSAL
INTERNAL ARC
CLAMP
IMBALANCE
438-528 VAC
50/60 Hz
OVERTEMP
INTERLOCK OPEN
DANGER
PURGE VALVE
BIAS FAULT
FAN FAIL
OVER PRESSURE
COOLANT
HIGH
VOLTAGE
TB
1 AC INPUT
19" / 483mm
17" / 432mm
22.5" / 571mm
1.5" / 38mm
| 2
303 Series Data Sheet
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