Specification

Electrical
Power Source
415 VAC, 3-Phase 3 Wire, 50 Hz or 60Hz Voltage ±10%, Frequency ±5%
AMT-AHF-???-4
030
060
100
150
200
300
Filter current in phase (Arms)
30
60
100
150
200
300
Max peak Filter current (Apk)
75
145
240
360
480
720
Heat-loss (Watt)
≤1200
≤2000
≤3000
≤5000
≤6100
≤7000
Control Functions
Control Method Hysteresis current control
Harmonic Filtering Harmonics orders 3rd to 51st (Non Zero sequence)
Harmonic order selection (a) Global compensation from 3rd to 51st order
(b) Selective compensation from 3rd to 51st order
Harmonic attenuation ratio Better than 97% at rated current for individual harmonic order
Power factor improvement Automatic, up to the unutilized capacity of filter
Max. Switching Frequency 18 kHz
Transient Response time ≤40 ms
Operation Specifications
Digital Inputs 9-Programmable sequence inputs, sink / source changeable
Digital outputs 5-Programmable sequence outputs, open collector type
Potential Free Contacts 3-programmable relays 1-NO, 1-NC for 2A @ 240Vac
Programmable between 10 different options
Programmable Analog Outputs 2-Programmable analog voltage outputs VO1 & VO2: 0‾10Vdc
2-Programmable analog current outputs IO1 & IO2: 4‾20mA
Soft-charge Through resistor within 5 sec.
Auto start Yes, AHF can start at power ON condition in local and serial mode.
Auto Restart Adjustable up to ten times for fault like Over current fault, Timed over current fault, Adjustable over current fault, DC bus over voltage fault, DC bus under voltage fault, Earth fault, Temperature fault, External fault
Display Indications
Display and Keypad module Total 80-Character, 4-Line LCD panel, 8-Key keypad, 3-Status indicating LED for Run, Stop and Fault
THDv, Line Frequency, DC bus voltage, PF, DPF, kW, kVA, kVAR, VL-L
Current of Filter / Load / Source side for each phase, THDi of load and filter side
Communication
Network connectivity RS-485 for PC interface with Modbus-RTU protocol as standard
Protective
Protective function Over current Phase loss
Adjustable over current Ground fault
Timed over current External fault
DC bus over voltage Charging Fault
DC bus under voltage EEPROM fault
Over temperature  
Fault history Last ten faults with status at time fault occurred stored in memory
Electronic thermal overload 105% Overload for 60 Seconds Above 100% harmonic current is limited by software
Environment
Installation Location Indoor (Consult Amtech for outdoor application)
Type of cooling Forced Air Cooling
Ambient Temperature 0?C (32?F) ‾ 40?C (104?F)
Storage Temperature -20?C (-4?F) ‾ 70?C (158?F)
Audible Noise ≤ 72 @1.0m (3ft)
Altitude (above sea level) 1000m (3300ft) w/o derate, (derate 1% per 100m (330ft) above 1000m (3300ft)
Model derating with temperature Above 40?C (104?F), derate the output current by 3% /1?C (1.8?F) maximum up to 50?C (122?F) temperature
Relative Humidity 0‾95% max non condensing
Color RAL 7035
Protection class IP 31 (Consult Amtech for higher protection requirement)
Dimensions (W X DX H) in mm [inch]
480 X 370 X 1065
[18.9 X 14.6 X 42]
600 X 600 X 2000
[23.6 X 23.6 X 78.7]
800 X 600 X 2110
[31.5 X 23.6 X 83.1]
Weight in kg [lb]
80
[176.5]
90
[198.5]
330
[727.5]
350
[772]
375
[827]
480
[1058]
Installation
Wall/Floor mounting
Floor mounting
Reference Standard
Harmonic IEEE 519-1992, G5/4-1, GB/T 14549-93, IEC 610 00-3-2, IEC 6100-3-4
Safety IEC50178
*Above 300A requirement, multiple units will be connect AMTECH more detail.
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