Optional Features
Air Cooled ES-I & ES-II Line
ES-I with Variac Control
ES-I Line
ES-II with Optional Controller
ES-II Line
Ordering Code / Model Number
Air Cooled ES Line
Position #1: MODEL
ES-I = ES Utility Rectifier
ES-II =ES Utility Rectifier
Position #2: OUTPUT CONTROL TYPE
S = Standard Rectifier (Manual taps) D = Constant Current Control (ES-II only)
V = Variac Control P = Constant Potential Control (ES-II only)
E = Constant Voltage Control (ES-II only) M = Multiple Modes (ES-II only)
Position #3: DC OUTPUT VOLTAGE*
List DC Voltage Desired (See available ratings below)
Position #4: DC OUTPUT CURRENT*
List DC Current Desired (See available ratings below)
Position #5: SPECIAL or OPTIONAL FEATURES
H = Hour Meter (ES-II only) K = Red or Green Status Lights (ES-II only)
* Standard Ratings
6 Volt - 5 Amp 6 Volt - 10 Amp
12 Volt - 5 Amp 12 Volt - 10 Amp
20 Volt - 5 Amp 20 Volt - 10 Amp
30 Volt - 5 Amp 40 Volt - 5 Amp
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ES Standard Line
ES Line Dimensions
Ordering Code Below