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  SZ900E Series Mini Inverter

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Product Specifications

Items
SZ900E
Standard Functions
Control Mode
Sensorless flux vector control (SFVC)
Voltage/Frequency (V/F) control
Maximum Frequency
Vector control: 0-320 Hz
V/F control: 0-3200 Hz
Carrier Frequency
1-16 kHz, The carrier frequency is automatically adjusted based on the load features.
Input Frequency
Resolution
Digital setting: 0.01 Hz
Analog setting: maximum frequency x 0.025%
Startup Torque
G type: 0.5 Hz/150% (SFVC)
P type: 0.5 Hz/100%
Speed Range
1:100 (SFVC)
Speed Stability
Accuracy
±0.5% (SFVC)
Torque Control Accuracy
±5% (CLVC)
Overload Capacity
G type: 60s for 150% of the rated current, 3s for 180% of the rated current.
P type: 60s for 120% of the rated current, 3s for 150% of the rated current.
Torque Boost
Fixed boost
Customised boost 0.1%-30.0%
V/F Curve
Straight-line V/F curve
Multi-point V/F curve
N-power V/F curve (1.2-power, 1.4-power, 1.6-power, 1.8-power, square)
V/F Separation
Two types: complete separation; half separation
Ramp Mode
Straight-line ramp
S-curve ramp
Four groups of acceleration/deceleration time with the range of 0-6500s
DC Braking
DC braking frequency 0.00 Hz to maximum frequency
Braking time: 0.0-100.0s
Braking action current value: 0.0%-100.0%
JOG Control
JOG frequency range: 0.00-50.00 Hz
JOG acceleration/deceleration time: 0.00-6500.0s
Onboard Multiple
Preset Speeds
It implements up to 16 speeds via the simple PLC function or combination of X terminal states
Onboard PID
It realises process-controlled closed loop control system easily.
Auto Voltage
Regulation (AVR)
It can keep constant output voltage automatically when the main voltage changes
Overvoltage/
Overcurrent Stall
Control
The current and voltage are limited automatically when the main voltage changes
Torque Limit and Control
It can limit the torque automatically and prevent frequent over current tripping during the running process
Instantaneous Stop Doesn’t Stop
The load feedback energy compensates the voltage reduction so that the AC drive can continue to run for a short time
Rapid Current Limit
It helps to avoid frequent over current faults of the AC drive.
High Performance
Control of asynchronous motor is implemented through the high-performance current vector control technology.
Timing Control
Time range: 0.0-6500.0 minutes
Communication Methods
RS485
Running Command Channel
Given by the panel, control terminals,
serial communication port can be switched by many ways
Frequency Source
10 kinds of frequency source, given by
Digital analog voltage, analog current, pulse, serial port can be switched by many ways
Auxiliary Frequency Source
10 kinds of frequency source, can easily realise Micro adjustment, frequency
Input and Output
Input Terminals
6 digital input terminals, one of which supports up to 100kHz high-speed pulse input.
2 analog input terminal, one of which only supports 0-10V input and the other supports 0-10V input or 4-20mA current input.
Output Terminals
1 digital output terminal
1 relay output terminal
1 analog output terminal: that supports 0-20mA current output or 0-10V output.
Operation on the Operation Panel
LED Display
It displays the parameters
Key Locking and Function Selection
It can lock the keys partially or completed and dine the function range of some keys so as to prevent mis-function.
Protection Mode
Motor short-circuit detection at power-on, output phase loss protection, over-current protection, over-voltage protection, under voltage protection, overheat protection and overload protection
Environment
Install Location
Indoor, avoid direct sunlight, dust, corrosive gas, combustible gas, oil smoke, vapour, drip or salt.
Altitude
Lower than 1000m (lower the grades when using higher then 1000m)
Ambient Temperature
-10°C~40°C (Lower the grade if the ambient temperature is between 40-50)
Humidity
Less than 95%RH, without condensing
Vibration
Less than 5.9 m/s2 (0.6g)
Storage Temperature
-20°C~60°C
 
Specifications
 
Model
Power Output
(KW)
Rated Input Current (A)
Rated Output Current (A)
Applicable Motor (KW)
1PH AC220V ±15% 50/60Hz
SZ900-0.4-1Ph-20
0.4
5.4
2.4
0.4
SZ900-0.75-1Ph-20
0.75
7.2
4.5
0.75
SZ900-1.5-1Ph-20
1.5
10
7.0
1.5
SZ900-3.7-1Ph-20
3.7
16
10.0
3.7
SZ900-5.5-1Ph-20
5.5
21
20
5.5
SZ900-7.5-1Ph-20
7.5
31
30
7.5
3PH AC380V ±15% 50/60Hz
SZ900-0.4-3Ph-20
0.4
3.4
1.2
0.4
SZ900-0.75-3Ph-20
0.75
3.8
2.5
0.75
SZ900-1.5-3Ph-20
1.5
5
3.7
1.5
SZ900-2.2-3Ph-20
2.2
5.8
5.0
2.2
SZ900-3.7/5.5-3Ph-20
3.7/5.5
10.0/15.0
9.0/13.0
3.7/5.5
SZ900-5.5-3Ph-20
5.5
15
13
5.5
SZ900-7.5-3Ph-20
7.5
20
17
7.5
SZ900-11/15-3Ph-20
11/15
26/35
25/32
11/15
SZ900-15/18.5-3Ph-20
15/18.5
35/38
32/37
15/18.5
SZ900-18.5/22-3Ph-20
18.5/22
38/46
37/45
18.5/22
SZ900-22/30-3Ph-20
22/30
46/62
45/60
22/30
SZ900-30/37-3Ph-20
30/37
62/76
60/75
30/37
SZ900-37/45-3Ph-20
37/45
76/90
75/90
37/45
SZ900-45/55-3Ph-20
45/55
90/105
90/110
45/55
SZ900-55-3Ph-20
55
105
110
55
SZ900-75-3Ph-20
75
140
150
75
SZ900-75/90-3Ph-20
75/90
140/160
150/176
75/90
SZ900-90/110-3Ph-20
90/110
160/210
176/210
90/110
SZ900-110/132-3Ph-20
110/132
210/240
210/253
110/132
SZ900-132/160-3Ph-20
132/160
240/290
253/300
132/160
SZ900-160/185-3Ph-20
160/185
290/330
300/340
160/185
 
 
Dimensions
 
 
Model
 
Outline dimension (mm)
Installation Size (mm)
W
H
H1
D
A
B
Ød
SZ900-0.4-1Ph-20 –
SZ900-1.5-1Ph-20
72
142
 
152
62.7
132.7
5
SZ900-2.2-1Ph-20 –
SZ900-3.7-1Ph-20
100
183
 
143
90.0
173.0
5
SZ900-5.5-1Ph-20 –
SZ900-7.5-1Ph-20
130
260
 
184
120.0
250.0
5
SZ900-0.4-3Ph-20 –
SZ900-2.2-3Ph-20
72
142
 
152
62.7
132.7
5
SZ900-3.7/5.5-3Ph-20
SZ900-5.5-3Ph-20
100
183
 
143
90.0
173.0
5
SZ900-7.5-3Ph-20
SZ900-11/15-3Ph-20
130
260
 
184
120.0
250.0
5
SZ900-15/18.5-3Ph-20
SZ900-22/30-3Ph-20
195
280
 
179
182.5
266.0
7
SZ900-30/37-3Ph-20
SZ900-37/45-3Ph-20
245
390
425
193
180.0
410.0
7
SZ900-45/55-3Ph-20
SZ900-55/75-3Ph-20
300
500
540
252
200.0
522.0
9
SZ900-75/90-3Ph-20
338
546
576
256.5
270.0
560.0
9
SZ900-90/110-3Ph-20
SZ900-110/132-3Ph-20
338
550
580
300
270.0
564.0
9
SZ900-132-3Ph-20
SZ900-160-3Ph-20
400
675
715
310
320.0
695.0
11
 
 SZ900E Typical Wiring Diagram
 
 

 


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