Operating Modes

Standard

AC or DC

Pi Version

AC, DC and AC+DC

AC Mode Output

Frequency

Range: 16.00-819.0 Hz, -LF Option: 16.00-500.0 Hz, -HF Option: 16.00-1000 Hz (supplemental specifications apply above 819 Hz). Resolution: 0.01 Hz: 16.00 - 81.91 Hz, 0.1 Hz: 82.0 Hz - 819.1 Hz,

Phase Outputs

MX15-1/15-1Pi: 1, MX30/45-3Pi: 1 or 3 switchable, Neutral: Floating, Coupling: DC 
(except for -HV option)

Total Power

MX15-1/1Pi: 15 kVA, MX30-1/3: 30 kVA, MX45-1/3: 45 kVA, MX90: 90 kVA, MX135: 135 kVA

Load Power Factor

0 to unity at full output current

AC Mode Voltage

Voltage Ranges

Range

VLow

VHigh

AC

0-150 V

0-300 V

AC+DC

0-150 V

0-300 V

Load Regulation

< 0.25 % FS DC to 100 Hz, < 0.5 % FS 100 Hz to 819 Hz

Line Regulation

< 0.1% FS for 10 % line change

External Sense

Voltage drop compensation (5% Full Scale)

Harmonic Distortion (Linear)

Less than 0.5% from 16 - 66 Hz, Less than 1% from 66 - 500 Hz, Less than 1.25% above 500 Hz

DC Offset

< 20 mV

External Amplitude Modulation

Depth: 0 - 10 %, Frequency: DC - 2 KHz

Voltage slew rate

200 μs for 10% to 90% of full scale change into resistive load

AC Mode Current

Models

Steady State AC Current @ FS V:

V Low

V High

MX15-1

100

50

MX15-1Pi

100

50

MX30-1

200

100

MX30-3

66.6/ø

33.3/ø

MX30-3Pi / 1Pi

66.6/ø / 200

33.3/ø / 100

MX45-1

300

150

MX45-3

100/ø

50/ø

MX45-3Pi / 1Pi

100/ø / 300

50/ø / 150

MX90-3/Pi

200/ø

100/ø

MX135-3/Pi

300/ø

150/ø

Note: Constant power mode provides increased current at reduced voltage. See chart below

Peak Repetitive AC Current

Up to 3.6 x rms current at full scale voltage

Programming Accuracy

Voltage (rms): ± 0.3 Vrms, Frequency: ± 0.01 % of programmed value, Current Limit: - 0 % to + 5 % of programmed value + 1A, Phase: < 0.5° + 0.2°/ 100 Hz with balanced load

Programming Resolution

Voltage (rms): 100 mV, Frequency: 0.01 Hz from 16 - 81.91 Hz, 0.1 Hz from 82.0 - 819 Hz, Current Limit: 0.1 A, 3 phase mode, 1.0 A, 1 phase mode, Phase: 0.1°

Option -ADV Specifications

Parameter

Range

Accuracy* (±)

Resolution*

Frequency

16-100 Hz
100-820 Hz

0.01% + 0.01 Hz
< 100 Hz 100 - 500 Hz

0.01 Hz / 0.1 Hz

RMS Voltage

0-400 V

0.05 V + 0.02%
0.1 V + 0.02%

10 mV

RMS Current

0-160 A

0.15 A + 0.02%
0.3 A + 0.02%

10 mA

Peak Current

0-400 A

0.15 A + 0.02%
0.3 A + 0.02%

10 mA

Crest Factor

0.00-6.00

0.05
0.05

0.01

Real Power

0-15 kW

30 W + 0.1%
60 W + 0.1%

10 W

Apparent Power

0-15 kVA

30 VA + 0.1%
60 VA + 0.1%

10 VA

Power Factor

0.00-1.00

0.01
0.02

0.01

Phase

0.0-360.0

2.0°
3.0°

0.1°

DC Voltage

0-400 V

0.5 V

10 mV

DC Current

0-160 A

0.5 A

10 mA

Power

0-15 kW

0.15 kW

10 W

* Measurement system bandwidth = DC to 6.7 kHz. Accuracy specifications are valid above 100 counts. Current and Power Accuracy and Range specifications are times three for MX90, MX135 or MX30/45-3Pi in single phase mode. PF accuracy applies for PF > 0.5 and VA > 50 % of range

Measurements - Harmonics (Pi controller only)

Parameter

Frequency Fundamental Harmonics

Phase

Voltage

Current

Range

16.00-1000.0 Hz / 
32.00 Hz - 16 kHz

0.0 - 360.0°

Fundamental
Harmonics 2 - 50

Fundamental
Harmonics 2 - 50

Accuracy* (±)

0.03% + 0.03 Hz / 
0.01 Hz

2° typ.

750 mV 0.3% + 750
mV+0.3% /1 kHz

0.5 A / 0.3% + 150 mA
+0.3% /1 kHz

Resolution

0.01 Hz

0.5°

10 mV / 10 mV

100 mA / 100 mA

* Accuracy specifications are valid above 100 counts. Accuracy specifications are for three phase mode. Harmonics frequency range for MX30/45-3Pi in single phase mode is 32 Hz - 48 kHz

DC Mode Output

Power

Maximum DC power at full scale of DC voltage range. MX15-1Pi: (10 kW), MX30-3Pi: (6.5 kW per output, 3 outputs. 20 kW in 1 channel mode), MX45-3Pi: (10 kW per output, 3 outputs. 30 kW in 1 channel mode)

Voltage Ranges

Low (0 - 200 V), High (0 - 400 V)

Output Accuracy

± 1 Vdc

Load Regulation

< 0.25 % FS

Line Regulation

< 0.1% FS or 10 % line change

Ripple

< 2 Vrms Lo Range, < 3 Vrms Hi Range

Current Limit

Programmable from 0 A to max. current for selected range.

Max DC Current @ FSV per output:

Model

V Low

V High

MX15-1

50

25

MX15-1Pi

50

25

MX30-1

100

50

MX30-3

33.3

16.6

MX30-3Pi / 1Pi

33.3 / 100

16.6 / 50

MX45-1

150

75

MX45-3

50

25

MX45-3Pi / 1Pi

50 / 150

25 / 75

MX90-3/Pi

100

50

MX135-3/Pi

150

75

AC+DC Mode Output

Output Power (Pi only)

Maximum current and power in AC+DC mode is same as DC mode

Protection

Over Load

Constant Current or Constant Voltage mode

Over Temperature

Automatic shutdown

Storage

Non Volatile Mem. storage

16 instrument setups, 200 user defined waveforms [Pi only]

Waveforms

Waveform Types

Std: Sine, Pi: Sine, Square, Clipped sine, User defined

User defined waveform
storage (Pi version)

Four groups of 50 user defined arbitrary waveforms of 1024 points for a total of 200. One group can be active at a time

System Interface

Inputs

Remote shutdown, External Sync, Clock/Lock (option on Pi)

Outputs

Function Strobe / Trigger out, Clock/Lock (option on Pi)

Remote Control (Pi only/standard with -P option)

IEEE-488 Interface

IEEE-488 (GPIB) talker listener. Subset: AH1, C0, DC1, DT1, L3, PP0, RL2, SH1, SR1, T6, IEEE-488.2 SCPI Syntax

RS232C Interface

9 pin D-shell connector (Supplied with RS232C cable)

Output Relay

Push button controlled or bus controlled output relay

Output impedance

Programmable Z available on MX30-3Pi and MX45-3Pi in 3 phase mode only. Specifications apply at 50 Hz fundamental. Resistive: 1 - 200 mOhm, Inductive: 15 - 200 uH

AC Input

Voltage

Must be specified at time of order. All inputs are L-L, 3ø, 3 wire + Gnd. 208 ± 10% VAC, 230 ± 10% VAC, 400 ± 10% VAC, 480 ± 10% VAC

Input Line Current (per phase)

Current (MX15)

Current (MX30/45):

V L-L

St State

208

58.3 ARMS

230

52.3 ARMS

400

30 ARMS

480

25 ARMS

V L-L

St State

208

116/175 ARMS

230

105/157 ARMS

400

60/90 ARMS

480

50/75 ARMS

Distortion: < 8 % at full power < 20 % below 35 % of power

AC Service

Inputs/Outputs

MX30/MX45: Front access, cables routed through rear panel, exit in back. MX15: Rear Access

Regulatory

IEC61010, EN50081-2, EN50082-2, CE EMC and Safety Mark requirements

EMI

CISPR 11, Group1 , Class A

Connectors

AC Input & Output terminal block behind front cover, IEEE-488 (GPIB) connector (rear panel), 9 pin D-Shell RS232C connector*, (rear panel), Remote voltage sense terminal block (rear panel), System Interface Connector, DB-37 (rear panel). *RS232 DB9 to DB9 cable supplied

Physical Dimensions

MX30/MX45 Dimensions

Height: 50.0” (1270 mm), Width: 28.75” (731 mm), Depth: 34.5” (876 mm)

MX30/MX45 Weight

Chassis: Net: 1150 lbs / 522 Kg, Shipping: 1231 lbs / 560 Kg, Amp Module: Net: 63 lbs / 29 Kg

MX15 Dimensions

Height: 31.75” (806 mm), Width: 24.0” (610 mm), Depth: 28.0” (711 mm)

MX15 Weight

Chassis: Net: 600 lbs / 272 Kg, Shipping: 681 lbs / 309 Kg, Amp Module: Net: 63 lbs / 29 Kg

Chassis

MX30/MX45: Casters and forklift openings. MX15: Casters

Vibration and Shock

Designed to meet NSTA project 1A transportation levels. Units are shipped in wooden 
crate with forklift slots

Air Intake/Exhaust

Forced air cooling, front air intake, rear exhaust

Operating Humidity

0 to 95 % RAH, non condensing

Temperature

Operating: 0 to 40° C (30° C max in CP mode), Storage: -20 to +85° C