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  • DRK series | AC power source Rackmount | Matsusada Precision
  • DRK series | AC power source Rackmount | Matsusada Precision
  • DRK series | AC power source Rackmount | Matsusada Precision
  • DRK series | AC power source Rackmount | Matsusada Precision
  • DRK series | AC power source Rackmount | Matsusada Precision
  • DRK series | AC power source Rackmount | Matsusada Precision

HIGH POWER AND PROGRAMMABLE AC POWER SOURCE

Compact design and multifunction AC power source

  • AC:
    0 to 150V/0 to 300V
    1Hz to 550Hz
  • DC:
    0 to +212V/ 0 to -212V
    0 to +424V/ 0 to -424V
  • Original switching method
  • Cut-off and Limiting function

High-quality AC output equivalent to ones of linear amplifier system with original switching method

DRK series are versatile well-regulated AC power sources realized compact size fitting into 19 inches rack size of 4U even though high power model of 4 kVA.
We have succeeded in downsizing, weight saving and efficiency improving large and heavy traditional AC power sources realizing high quality output equivalent to ones of linear amplifier system by adopting the our own switching amplifier system. They are best fit to development and inspection process in production line for electronic equipment with their compact design regardless to place to be installed, various functions and secure operability.

Compact size | DRK series | AC power source Rackmount | Matsusada Precision

APPLICATIONS

  • For inspection line
  • Testing of various AC input devices
  • For tests and experiment
  • AC and DC output power supply

The models applicable to test for the simplified momentary power interruption are available. Please contact nearest our sales office for details.

FEATURES AND BENEFITS

  • Original switching method for high-quality output
  • Cutoff and Limiting functions useful for testing AC input operation
  • Simplified momentary power interruption test available

Models

Model Output
Wiring Connection
Maximum
output power
Total
Q' ty
AC output
Maximum current/
Peak current
Crest factor = 4
DC output
Maximum output peak current
AC DC Lo range
(0 to 150 V)
Hi range
(0 to 300 V)
Lo range
(0 to ±212 V)
Hi range
(0 to ±424 V)
DRK500 Single Phase 0.5 kVA 325 W 1 unit 5 Arms/
20 Apeak
2.5 Arms/
10 Apeak
2.3 A 1.2 A
DRK1.2k 1.2 kVA 780 W 1 unit 12 Arms/
48 Apeak
6 Arms/
24 Apeak
5.4 A 2.7 A
DRK1.5k 1.5 kVA 975 W 1 unit 15 Arms/
60 Apeak
7.5 Arms/
30 Apeak
6.8 A 3.4 A
DRK2k 2 kVA 1300 W 1 unit 20 Arms/
80 Apeak
10 Arms/
40 Apeak
9 A 4.5 A
DRK4k 4 kVA - 1 unit 40 Arms/
160 Apeak
20 Arms/
80 Apeak
- -
DRK2k-LMsm/-LMss * 4 kVA - 2 units 40 Arms/
160 Apeak
20 Arms/
80 Apeak
- -
DRK2k-LMsm/-LMss x 2-unit * 6 kVA - 3 units 60 Arms/
240 Apeak
30 Arms/
120 Apeak
- -
DRK2k-LMsm/-LMss x 3-unit 8 kVA - 4 units 80 Arms/
320 Apeak
40 Arms/
160 Apeak
- -
DRK500-LPhu/-LPhv/-LPhw * 3-Phase 1.5 kVA - 3 units 5 Arms/
20 Apeak
2.5 Arms/
10 Apeak
- -
DRK1.2k-LPhu/-LPhv/-LPhw * 3.6 kVA - 3 units 12 Arms/
48 Apeak
6 Arms/
24 Apeak
- -
DRK1.5k-LPhu/-LPhv/-LPhw * 4.5 kVA - 3 units 15 Arms/
60 Apeak
7.5 Arms/
30 Apeak
- -
DRK2k-LPhu/-LPhv/-LPhw * 6 kVA - 3 units 20 Arms/
80 Apeak
10 Arms/
40 Apeak
- -
DRK500-L1p3wm/-L1p3ws * Single Phase
3-wire
1 kVA - 2 units 5 Arms/
20 Apeak
2.5 Arms/
10 Apeak
- -
DRK1.2k-L1p3wm/-L1p3ws * 2.4 kVA - 2 units 12 Arms/
48 Apeak
6 Arms/
24 Apeak
- -
DRK1.5k-L1p3wm/-L1p3ws * 3 kVA - 2 units 15 Arms/
60 Apeak
7.5 Arms/
30 Apeak
- -
DRK2k-L1p3wm/-L1p3ws * 4 kVA - 2 units 20 Arms/
80 Apeak
10 Arms/
40 Apeak
- -

* Optional models. Please refer to Options for details.

NOTE

DRK series are not applicable to such application that electric power is infused externally or regeneration behavior is made.

Therefore they are not suitable for such devices that "returning generated electric power to AC line" or "being connected directly to the grid-connected power system". Please make AC output in combination with our high speed four-quadrant bipolar power supplies and such devices.

Functions

New Function Software Calculated Remote Sensing (at -LSn option)

It is possible to calculate differences between set value of output voltage and the voltage drop in the load end by resistance of output line and compensate for it. (Automatic Gain Control)

New Function Cut-Off Function to Protect The Load and Limiting Function to Withstand Inrush Current

There are various kinds of electrical devices that operate with AC voltage, and they may be required to stop immediately when abnormal current flows, or to continue to operate with some overcurrent. DRK series can set such behavior as necessary.

Cut-off function

Cut-off function

It stops AC output safely when abnormal current flows into the load.

Limiting function

Limiting function

DRK adjusts the output current within the rated range and keeps supplying AC output when the load such as a motor at which the current several times as large as the rated current flows during startup is connected.

Refined and Simplified Operability

As it is able to call up commonly-used functions or output settings immediately, work efficiency is increased. For the application utilized in the same settings, as the latest settings are memorized, it is able to eliminate troublesome re-settings.

In case that several test patterns are repeated (for example, 90 V to 100 V to 110 V, 50 Hz/60 Hz), testing time is shortened very much by using the memory function.

The universal outlet (universal power socket) on the front panel can be connected plugs of every country and output up to 250 V.

For details, download the datasheet below.

Light, Compact and Space-Saving

They have been considerably compact in comparison with traditional AC power sources and power sources which satisfy the needs of factories and experiment rooms requiring space-saving.

Standard Functions and Plenty of Options

External control is quipped as standard. They are applicable automation of production lines immediately as it is able to control remotely output ON/OFF, voltage, frequency and ranges. And LAN, RS-232C, RS-485 and GPIB are applicable by option.

Compact size | DRK series | AC power source Rackmount | Matsusada Precision

Remote control

  • Output ON/OFF
  • Voltage control
  • Frequency control
  • Switching rang
  • Output of fault
  • Interlock
  • Selection of control REMOTE or LOCAL

Digital Interface Option

  • USB
  • GPIB
  • Optical interface
    (LAN, RS-232C, RS-485, GPIB)

Output option

  • 3-phase
  • Master/Slave
  • Single phase 3-wire

Various Output: 3-Phase Output, Single Phase 3-Wire Output, Master/Slave

3-phase output, single phase 3-wire output and master/slave hooking are applicable by options.
Also, they are applicable as a simple power supply by cancelation of option settings.

3-phase output (OPTION)

It is possible to test and evaluate 3-phase AC even where only single phase 200 Vac or 100 Vac is available

Output: 3-phase AC: U-phase, V-phase, W-phase and N
Height is similar to length of letter size paper!

Single-phase 3-wire output (OPTION)

It is possible to test and evaluate single phase 3-wire even where only single phase is available.

Input: Single phase 100 V to 240 V, Output Single phase 3-wire

Master/Slave (OPTION)

When larger power supply is required, maximum 8 kVA is available with the master/slave hooking. (Master unit: one, Slave units: 3)

Connection to one master unit and three slave units

Another Availability

Simplified Momentary Power Interruption Test

Please consult our sales staff for details.

Another Availability

It is able to make simplified momentary power interruption test for AC input equipment.

It is able to confirm operating conditions of equipment tested under such situation as simulating unstable aspect of power source line or aspect happened momentary power interruption.

Specifications

For details, download the datasheet below.

Options

-LGb *1

Built-in GPIB interface (Discontinued in December 2028)
External output ON/OFF, Switching voltage range, Variable voltage, Variable frequency, Status, Monitor for voltage and current

-LGob *1

Optical interface board
Optical communication offers insulation control. It is to prevent malfunction such as transient phenomenon by surge, lightning induction, and exogenous noise.
External output ON/OFF, Switching voltage range, Variable voltage, Variable frequency, Status, Monitor for voltage/current and various interface (Please refer to catalogue for digital controller “CO/USB series” about optical conversion for various interfaces, LAN, USB, RS-232C, RS-485 and GPIB.)

(Please refer to the digital control adaptor "CO/USB series" about optical conversion for various interfaces, LAN, USB, RS-232C, RS-485, and GPIB.)

  • -LGob: Optical interface board + optical cable 2 meters
  • -LGob(Fc5) : Optical interface board + optical cable 5 meters
  • -LGob(Fc10): Optical interface board + optical cable 10 meters
  • -LGob(Fc20): Optical interface board + optical cable 20 meters
  • -LGob(Fc40): Optical interface board + optical cable 40 meters
-LMsm, -LMss *3 *4 *5

Parallel connection
It is able to increase output power by paralleling.
It is able to hook maximum 3 slave units per one master unit in the optional formation. (for AC mode only)
(When the combination is changed, adjustment in our factory is required.)
Each unit can also be used as a single-phase output AC power source.

-LN

Output state auto-recovery (former: no power failure protection)
The output will automatically be ON with power restored without resetting.

-LPhu, -LPhv, -LPhw *3 *4 *5

Multi-phase connection
3 phase output mode is available.
Each one unit optioned respectively is required.
Each unit can also be used as a single-phase output AC power source.

-LSn *2

Software calculated remote sensing
Go to Software calculated Remote sensing function.

-LUs1 *1

USB interface board
External output ON/OFF, Switching voltage range, Variable voltage, Variable frequency, Status, Monitor for voltage and current

-L1p3wm, -L1p3ws *3 *4 *5

Single phase 3-wire connection
Single phase 3-wire output mode is available.
Each one unit optioned respectively is required.
Each unit can also be used as a single-phase output AC power source.

The momentary power interruption test function is available separately. Please consult our sales staff for details.

  1. These options should be selected either one.
  2. This option cannot be installed together with options for singe phase 3-wire connection (-L1p3wm, -L1p3ws) or options for (-LPhu, -LPhv, -LPhw).
  3. DRK4k is not available.
  4. (-L1p3wm or –L1p3ws), (-LPhu, -LPhv or -LPhw) and (-LMsm or -LMss), these options are should be selected either one. An option is required for each power supply.
  5. When interface options (-LUS1, -LGb and -LGob) is applied, only the master unit (-L1p3wm, -LPhu or -LMsm) should be optioned. No option is required on slave units.

How to Order

When ordering, add Option No. in the following order by alphabet, and input voltage to Model No.
Example: DRK2k-LGob(Fc5)MsmNSn, DRK2k-LFNUs11p3wm

ADDITIONAL PRODUCTS

Input Cable for Single Phase AC (3 cores type)

DRK500
Sold separately
[Input voltage 200 V]
CABLE TYPE5 CABLE series | AC input cable | Matsusada Precision CABLE series | AC input cable | Matsusada Precision Rated voltage 250 V
Max. current 25 A
2.5 meters
Sold separately
[Input voltage 100 V]
CABLE TYPE2 CABLE series | AC input cable | Matsusada Precision CABLE series | AC input cable | Matsusada Precision Rated voltage 125 V
Max. current 15 A
2.5 meters

Fixed length

DRK1.2k/DRK1.5k
Sold separately
[Input voltage 200 V]
CABLE TYPE5 CABLE series | AC input cable | Matsusada Precision CABLE series | AC input cable | Matsusada Precision Rated voltage 250 V
Max. current 25 A
2.5 meters
Sold separately
[Input voltage 100 V]
CABLE TYPE5 CABLE series | AC input cable | Matsusada Precision CABLE series | AC input cable | Matsusada Precision Rated voltage 250 V
Max. current 25 A
2.5 meters
DRK2k
Sold separately
[Input voltage 200 V]
CABLE TYPE5 CABLE series | AC input cable | Matsusada Precision CABLE series | AC input cable | Matsusada Precision Rated voltage 250 V
Max. current 25 A
2.5 meters
Sold separately
[Input voltage 100 V]
CABLE TYPE11 CABLE series | AC input cable | Matsusada Precision CABLE series | AC input cable | Matsusada Precision Rated voltage 250 V
Max. current 30 A
2.5 meters
DRK4k
Sold separately
[Input voltage 200 V]
CABLE TYPE11 CABLE series | AC input cable | Matsusada Precision CABLE series | AC input cable | Matsusada Precision Rated voltage 250 V
Max. current 30 A
2.5 meters
Sold separately
[Input voltage 100 V]
CABLE TYPE12 CABLE series | AC input cable | Matsusada Precision CABLE series | AC input cable | Matsusada Precision Rated voltage 250 V
Max. current 60 A
2.5 meters

Application software for power supplies and electronic loads

PSS2en series
PSS2en is the dedicated software which can actuate various power supplies, electronic loads and digital controller for power supplies manufactured by Matsusada Precision Inc. with simple set up.
It is the perfect for the aging test, the burn-in test and the withstand voltage test for electronic parts, and for the endurance test, intermittent/continuous operation test or various simulation test for electric component of automobile.
For details, refer to PSS2en page.

PSS2en | Application software for power supplies and electronic loads | Matsusada Precision

Dimensions

For details, download the datasheet below.

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