VFD-B Series
DELTA ELECTRONICS, INC. ALL RIGHTS RESERVED
A-2
Voltage Class
460V Class
Model Number VFD- B 007 015 022 037 055 075 110 150 185 220 300 370 450
550 750
Max. Applicable Motor
Output (kW)
0.75 1.5 2.2 3.7 5.5 7.5 11 15 18.5 22 30 37 45
55 75
Max. Applicable Motor
Output (HP)
1.0 2.0 3.0 5.0 7.5 10 15 20 25 30 40 50 60 75 100
Rated Output
Capacity (KVA)
2.3 3.2 4.2 6.5 9.9 13.7 18.3 24.4 28.9 34.3 45.7 55.6 69.3
84 114
Rated Output Current
(A)
2.7 4.2 5.5 8.5 13 18 24 32 38 45 60 73 91
110 150
Output Rating
Maximum Output
Voltage (V)
Proportional to Input Voltage
Rated Input Current
(A)
3.2 4.3 5.9 11.2 14 19 25 32 39 49 60 63 90
130 160
Rated Voltage 3-phase 342 to 528 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 0.1 to 3600 seconds (2 Independent settings for Accel/Decel Time)
V/F Pattern Adjustable V/F pattern
Control Characteristics
Stall Prevention Level
Frequency Setting
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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