A
VFD-B Series
DELTA ELECTRONICS, INC. ALL RIGHTS RESERVED
A-1
SPECIFICATIONS
Voltage Class 230V Class
Model Number VFD-B 007 015 022 037 055 075 110 150 185 220 300 370
Max. Applicable Motor Output (kW)
0.75 1.5 2.2 3.7 5.5 7.5 11 15 18.5 22 30 37
Max. Applicable Motor Output (HP) 1.0 2.0 3.0 5.0 7.5 10 15 20 25 30 40 50
Rated Output Capacity (KVA)
1.9 2.5 4.2 6.5 9.5 12.5 18.3 24.7 28.6 34.3 45.7 55.0
Rated Output Current (A)
5.0 7.0 11 17 25 33 49 65 75 90 120 145
Maximum Output Voltage (V) Proportional to Input Voltage
Output Rating
Rated Frequency (Hz) 60.0/50.0 Hz
Rated Input Current (A)
11.9/
5.7
15.3/
7.6
22/
15.5
20.6 26 34 50 60 75 90 110 142
Single (3-phase Input Current) 7.0 9.4 14.0
Rated Voltage
Single/3-phase
180-264 V
3-phase
180-264 V
Input Rating
Frequency Tolerance 47 – 63 Hz
Control System SPWM (Sinusoidal Pulse Width Modulation, carrier frequency 1-15kHz)
Output Frequency Resolution 0.01Hz
Torque Characteristics
Including the auto-torque, auto-slip compensation; starting torque can be 150% at
1.0Hz
Overload Endurance 150% of rated current for 1 minute
Accel/Decel Time 0.1to 3600 seconds (2 Independent settings for Accel/Decel Time)
V/F Pattern Adjustable V/F pattern
Control Characteristics
Stall Prevention Level 20 to 250%, Setting of Rated Current
Keypad
Setting by
Frequency
Setting
External Signal
Potentiometer-5KΩ/0.5W, DC 0 to +10V or 0 to +5V (Input impedance 47KΩ), RS-485
interface, 4 to 20mA (Input impedance 250Ω), Multi-Function Inputs 1 to 6 (7 steps,
Jog, up/down)
Keypad Set by RUN, STOP and JOG
Operation
Setting
Signal
External Signal
M0 to M5 can be combined to offer various modes of operation, RS-485 serial
interface (MODBUS).
Multi-Function Input Signal
Multi-step selection 0 to 15, Jog, accel/decel inhibit, first to forth accel/decel switches,
counter, PLC operation, external Base Block (NC, NO),
Multi-Function Output Indication
AC Drive Operating, Frequency Attained, Non-zero, Base Block, Fault Indication,
Local/Remote indication, PLC Operation indication, and Auxiliary Motor Output
Operating Characteristics
Analog Output Signal Analog frequency/current signal output.
Other Functions
AVR, S-Curve, Over-Voltage, Over-Current Stall Prevention, Fault Records,
Adjustable Carrier Frequency, DC Braking, Momentary Power Loss restart, Auto
Tuning, Frequency Limits, Parameter Lock/Reset, Vector Control, Counter, PID
Control, Fan & Pump Control, PLC, MODBUS Communication, Reverse Inhibition.
Protection
Self-testing, Over Voltage, Over Current, Under Voltage, Overload, Overheating,
External Fault, Electronic thermal, Ground Fault.
Cooling Methods
Convection
cooled
Fan-cooled
Installation Location Altitude 1,000 m or lower, keep from corrosive gasses, liquid and dust
Pollution Degree 2
Ambient Temperature -10
o
C to 40
o
C (-10
o
C to 50
o
C without blind plate) Non-Condensing and not frozen
Storage/ Transportation
Temperature
-20
o
C to 60
o
C
Ambient Humidity Below 90% RH (non-condensing)
Enviromental
Conditions
Vibration 9.80665m/s
2
(1G) less than 20Hz, 5.88m/s
2
(0.6G) at 20 to 50Hz
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