Documentation
Brochure & Specification
Product Manual
RSTL Programming manual
Features

Zero stacking
High power density
CE mark on selected models
650 microsecond transient response time 
Built in OVP with front panel adjust
Built in thermal protection
CC/CV with auto crossover
Soft Start
Series or parallel, master-slave operation
Common programming with, TCR, EMHP and ESS 
True zero voltage and current adjustability
 
Other Solutions
Lower Power Gen2U
Higher Power ESS

Page last updated: Tuesday, April 01, 2008

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EMS - 2kW to 5kW, up to 600A
 

The EMS series are high power switch mode AC to DC power supplies for applications where high efficiency, precise regulation and a high degree of packing density and light weight are required.

This series of high frequency switching power supplies is designed to operate as a source of constant current/constant voltage with automatic crossover. All EMS Power Supplies are fully programmable via an analog programming or (optional) RSTL digital interface, allowing for systems integration to meet your specific requirements.

The EMS series represents an important element in our broad line of switching power supplies. Beginning in 1969 with multiple patents awarded, Lambda Americas has continued to invest in the development and engineering of the EMS series. Successful applications include semiconductor processing, medical, scientific and research laboratories. The EMS series offers the best of customer tested and application proven features, while incorporating the latest advancements in technology for the user of power conversion systems.


Specification
AC Input
2 kW models: 220 VAC single phase (standard)
2.5 kW models: 220 VAC single phase and 208 VAC three phase (user selectable)
5 kW models: 208 VAC three phase, 400VAC three phase (CE)
All models 50/60 Hz
Softstart AC inrush
Consult factory for other inputs

Output Characteristics  
Regulation: 0.1%
Stability: 0.05%
Transient response: 650 microseconds for 30% load change (models up to 20 VDC)
Operating temperature: 0-50 Deg C full output, derate above 50 Deg C.

Protection Features
Overvoltage (up to 300 VDC outputs)
Overtemperature
Overcurrent

Programming
Front panel controls and remote analog resistance,
voltage and current programming (standard);
0-5 V and 0-10 V (optional) Internal RS232
and IEEE-488 (optional)
Embedded IEEE/RS232 available as option on 1kW models in 1U high chassis.

Mechanical
Size:
2/2.5kW - 19" W x 3 1/2" H x 22" D
5kW - 19" W x 5 1/4" H x 22" D
Weight: 
0.6kW - 15lbs/7kg
1kW    - 17lbs/7kg
2kW     - 30lbs/13kg
2.5kW - 35lbs/16kg
5kW     - 60lbs/27kg

Outline Drawings(PDF):
EMS 2kW Standard
EMS 2.5kW Standard
EMS 5kW 208VAC 3PH
EMS 5kW 380VAC 3PH
EMS 5kW CE (Low Voltage)
EMS 5kW CE (Hi Voltage)
 


Standard Model Listing
Model Number

Rated Power
(Watts)

Output
Voltage
(Volts)

Output
Current
(Amps)

Output Ripple
(mV) p-p Carrier

EMS 7.5-250
EMS 7.5-300
EMS 7.5-600

2000
2500
5000

0-7-5
0-7-5
0-7-5

0-250
0-300
0-600

75
75
75

EMS 10-200
EMS 10-250
EMS 10-500

2000
2500
5000

0-10
0-10
0-10

0-200
0-250
0-500

75
75
75

EMS 20-100
EMS 20-125
EMS 20-250

2000
2500
5000

0-20
0-20
0-20

0-100
0-125
0-250

75
75
75

EMS 30-65
EMS 30-80
EMS 30-165

2000
2500
5000

0-30
0-30
0-30

0-65
0-80
0-165

75
75
75

EMS 40-50
EMS 40-60
EMS 40-125

2000
2500
5000

0-40
0-40
0-40

0-50
0-60
0-125

75
75
75

EMS 60-33
EMS 60-40
EMS 60-80

2000
2500
5000

0-60
0-60
0-60

0-33
0-40
0-80

75
75
75

EMS 80-25
EMS 80-30
EMS 80-60

2000
2500
5000

0-80
0-80
0-80

0-25
0-30
0-60

100
100
100

EMS 100-20
EMS 100-25
EMS 100-50

2000
2500
5000

0-100
0-100
0-100

0-20
0-25
0-50

100
100
100

EMS 150-13
EMS 150-16
EMS 150-33

2000
2500
5000

0-150
0-150
0-150

0-13
0-16
0-33

120
120
120

EMS 300-6
EMS 300-8
EMS 300-16

2000
2500
5000

0-300
0-300
0-300

0-6
0-8
0-16

150
150
150

EMS 600-3.3
EMS 600-4
EMS 600-8

2000
2500
5000

0-600
0-600
0-600

0-3.3
0-4
0-8

250
250
250

Ordering Information

EMS 100 - 20 - x - xx-xx -

xxxx

Model Voltage   Current   AC Input   Options Special Programming
 

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