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  • ZD300 Mini Frequency Inverter

ZD300 Mini Frequency Inverter

ZD300 mini is a small and economical type inverter, which designed for small machine OEM general purpose application.

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ZD300 Mini Frequency Inverter

ZD300 mini is a small and economical type inverter, which designed for small machine OEM general purpose application. The good performance of V/F control mode, multiple segment speed, flexible and accuracy PID, DC braking function, ModBus communication, that will make you machine become powerful and improving his competitive edge.

Power range: 0.4 to 4.0kw

Input voltage: single phase 220V ±15%, 0.4kw to 2.2kw,  and 3 phase 380V, 0.75kw to 4.0kw

Control mode: Sensorless vector control without PG, V/f control

Protection function: Provide up to 25 kinds fault protection, over current, over voltage, under voltage, phase missing, overload protection function

Cooling method: force cooling

Installation method: wall mount

IPM iGBT using

Control modeControl modeV/F controlSensorless Vector control 1Sensorless Vector control 2Close loop vector control
Starting torque1Hz 150%0.5Hz 150%0.25Hz 150%180% under 0Hz
Speed adjust range**1:501:2001:500
speed stabilizing±0.1%±0.3%±0.05%±0.02%
Torque precisionNONOYesYes
Motor typeGeneral induction motor,permanent magnet synchronous motor*
Function designHighest frequencyGeneral vector control :400Hz  V/f control:4000Hz
frequency resolutionDigital setting: 0.01Hz  analog setting: maximum×0.025%
carrier frequency0.5K~16KHz, the carrier frequency can be adjust by temperature automatically
Frequency reference setting methodDigital of Control panel, analog AI1, AI2, potentionmeter of control panel, UP/DN control, communication, PLC pulse frequency
Accel./decel. characteristicLinear curve and S curve accel. /decel. mode, range of time: 0.0 to 65000S.
V/F curve3 mode: linear, multiple points, N Power
V/F separation2 times separation: totally separation, half separation
DC brakingDC braking frequency: 0.0 to 300Hz, DC braking current: 0.0% to 100%
Braking unitBuilt in braking unit up to 15kw, optional is 18.5kw to 75kw, external built in for above 93kw.
Jog functionJob frequency range: 0.0 to 50.0Hz, the accel. and decel. time of Jog
Configuration PIDEasy to perform pressure, flow, temperature close loop control
PLC  multiple speedTo achieve 16 segment speed running through built in PLC or terminal control
Common Dc bus *Multiple inverters use one DC bus for energy balance.
Auto voltage regulation (AVR)Enable to keep output voltage constant when grid fluctuation
Over load tolerance capabilityG type model: 150% rated current for 60s, 180% rated current for 2s,
P type Model: 120% rated current for 60s, 150% rated current for 3s.
stall control when over current, over voltageCarry out limiting automation for running current, voltage to prevent over current, over voltage frequently
Fast current limit functionminimize the IGBT module broken to protect the inverter, maximum reduce the over current fault.
Torque limit and torque control"Excavator" characteristics , torque limit automatically during motor running. Torque control is available in close loop vector control mode.
featuresfriendly interfaceDisplay Hello when power on.
Multiple function key MK.F buttonIt can set for Forward Jog, reverse Jog, forward/reverse switch


Timing control functionA total running time and total running time calculating
Motor over heat protectionAccepting motor temperature sensor signal input via AI1 terminals.
Command sourceControl panel, control terminals, series communication, switch freely.
Frequency sourceDigital setting, analog current/voltage, pulse setting, serial communication, main and auxiliary combination.
Protection functionShort circuit detect after power on, input/output phase missing, over voltage, over current, under voltage, over heat, over load protection.
EnvironmentApplication siteIndoor, free of exposure to sunlight, no dusty, no corrosive, no inflammable gas, no oil and water vapor, and water dipping
AltitudeLower 1000m
environment temperature-10℃~+40℃, power derated for 40~50℃, rated current derated 1% for 1℃increasing.
HumidityLess than 95%, no water condense.

SNModelsRate current3 phase output voltageApplicable for motorsExternal of drive size(mm)Weight  

ZD300 Mini Frequency Inverter

Rich Input and output interface.

● 6 ways digital input

● 2 ways analog input

● 1 ways RS485 built in

● 2 Analog output, l AO1 can compatible with 0-10V or 0-20mA. AO2 can compatible 0-10V or high speed train output.

● 2 programmable relay output, 1 programmable transistors output.

Textile: P-jump Winders, Extruders, Tufting Machines, spinning machine

Packaging: In-feed / Out-feed, Case Packing, Bottling & Canning, Carton Manufacturing. Beverage packing

Plastics & Rubber: Extruders, Blow Molding, Thermoforming, Injection Molding.

Pulp & Paper: Paper Machines, Debarkers, Winders, Saw Mills

Converting: Coaters ,Laminators ,Slitters ,Flying Cutters

Air Handling: Supply and Return Fans ,Cooling Towers ,Spray Booths ,Dryers

Oil & Gas: Top Drives ,Pumpjacks, Down-hole Pumping Centrifuges

Material Handling: Conveyors, Sortation, Palletizers, Coil Winding

Metals: Stamping / Punch Press, Wind /Unwind, Cut-to-length,cable drawing. Wire Draw

Construction Materials: Kilns, Planers, Flying Cutoff, Mixers

Laundry: Dryers, Extractors, Folders, Washers

Food & Beverage: Conveyors, Fillers, Mixers, Centrifuges

Automotive: Stamping, Test Stands, Indexing, Metal Cutting

Construction crane, hoist, lifting