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FEATURES
• CC/CV auto crossover
• Forced air cooling
• Lifting eye-bolts
• Meters and mode indicator lights
• Remote programming by resistance, voltage or current
• Circuit breaker protection
• Contactor on/off interlock control
• High current ratings at low output voltages
• Built-in RFI protection
• Mode lamps
• Wide variety of outputs
• 2 Year Warranty

OTHER SOLUTIONS

GENH-1U (750W)
GEN-1U (750W/1.5kW)
GEN-1U (2.4kW)
GEN-2U (3.3kW)
GEN-2U (5.0kW)
GEN-3U (10kW)
GEN-3U (15kW)
ESS (10kW/15kW)
EMHP (15kW-90kW)

 
EMHP - 20kW to 90kW, up to 3000A

The EMHP series of power supplies is the highest power line of DC regulated high power units available in the range of 20-90 kW. Based on a regulated SCR phase control topology the EMHP series is ideally suited to applications where raw bulk power is required in a robust reliable package.

All models are fully programmable sources of constant voltage and or constant current with automatic crossover and fully metered.

In an SCR phase-controlled DC Power Supply, output is controlled by modulating the conduction angle of the controlling SCRs.

The EMHP Series, input ac is applied to pairs of bi-directionally connected SCRs placed within the primary circuit of this transformer is rectified and L/C filtered to provide a low ripple DC output. Both output voltage and current are sensed and compared against internal references or externally applied control levels so the supply provides either constant voltage or constant current regulation with automatic crossover depending on control level. Additional circuitry provides bias levels, circuit protection and metering functions.

Specifications
AC Input
440/480 VAC, three phase 60 Hz -
optional inputs available
Softstart AC inrush

Output Characteristics
Regulation: 0.1%
Stability: 0.05%
Operating temperature: 0-50 deg C,
derate above 50 deg C

Protective Features
Overvoltage
Overtemperature
OverCurrent

Programming
Front panel controls and remote analog resistance, voltage and current
programming (standard);
0-5V and 0-10V optional)
RS232 and IEEE-488 (optional)

Options
Overvoltage protection
Casters or I beam base
Analog or digital meters
Digital programming interface

Mechanical
Size 1: 30" H x 22 1/4" W x 27 3/4" D, 500-750 lbs. (227-341 kg)
Outline DWG

Size 2: 34 5/8" H x 27 1/2" W x 29 1/4" D, 750-900 lbs. (341-409 kg)
Outline DWG

Size 3: 44 1/2" H x 27 1/2" W x 33 1/4" D, 1000-1500 lbs. (454-682 kg)
Outline DWG

Size 3.5: 44 1/2" H x 27 1/2" W x 39" D, 1500 lbs. (682 kg)
Outline DWG

All specifications subject to change without notice.
Standard Model Listing
Model

Output
Voltage
(Volts)

Output
Current
(Amps)

Output Ripple
(mV) RMS

  Model Output
Voltage
(Volts)

Output
Current
(Amps)

Output Ripple
(mV) 
RMS

Size 1 (20 kW Maximum)

Size 3 (60 kW Maximum)
EMHP 10-1000 0-10 0-1000 50 EMHP 10-3000 0-10 0-3000 50
EMHP 20-750 0-20 0-750 60 EMHP 20-1500 0-20 0-1500 60
EMHP 30-600 0-30 0-600 70 EMHP 20-2500 0-20 0-2500 60
EMHP 40-450 0-40 0-450 80 EMHP 30-1250 0-30 0-1250 70
EMHP 60-330 0-60 0-330 100 EMHP 30-1800 0-30 0-1800 70
EMHP 60-300 0-60 0-300 100 EMHP 40-1000 0-40 0-1000 80
EMHP 80-250 0-80 0-250 120 EMHP 40-1500 0-40 0-1500 80
EMHP 150-130 0-150 0-130 180 EMHP 60-750 0-60 0-750 100
EMHP 300-60 0-300 0-60 300 EMHP 60-1000 0-60 0-1000 100
EMHP 600-30 0-600 0-30 400 EMHP 80-600 0-80 0-600 120

Size 2 (30 kW Maximum)

EMHP 150-350 0-150 0-350 180
EMHP 150-400 0-150 0-400 180

EMHP 10-1500

0-10

0-1500 50 EMHP 300-200 0-300 0-200 300
EMHP 20-1000 0-20 0-1000 60 EMHP 600-100 0-600 0-100 400
EMHP 20-1250 0-20 0-1250 60 Size 3 1/2 (90 kW Maximum)
EMHP 30-800 0-30 0-800 70
EMHP 30-950 0-30 0-950 70
EMHP 40-500 0-40 0-500 80 EMHP 30-3000 0-30 0-3000 70
EMHP 40-600 0-40 0-600 80 EMHP 60-1500 0-60 0-1500 100
EMHP 40-750 0-40 0-750 80 EMHP 80-1125 0-80 0-1125 120
EMHP 60-500 0-60 0-500 100 EMHP 150-600 0-150 0-600 180
EMHP 80-375 0-80 0-375 120 EMHP 300-300

0-300 0-300 300
EMHP 150-200 0-150 0-200 180  
EMHP 300-100 0-300 0-100 300
EMHP 600-50 0-600 0-50 400
Ordering Information
EMHP 300 - 300 - D - x - x - xxxx
Model Voltage   Current   Meter Type   AC Input Options Special Programming
 
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