What is a Variable Frequency Drive?
A variable frequency drive is an electronic device that allows you to start, stop, and control the speed of a three phase motor. It is also a motor starter as it is equipped with overload protection. Read more »
What is the difference between a 'new surplus' motor and a 'factory new' motor?
Our New Surplus electric motors and drives are new and unused overstock or discontinued items offered at lower prices and come with our 90-day warranty.

Factory New products are competitively priced and come with a manufacturers warranty.
Variable frequency drives (VFDs or inverters) now play an important part in major industry.
Within the last 10 years they have been perfected to control and vary the speed of 3 phase electric motors. They serve many purposes, besides speed control. Homeowners and hobbyist alike, who have lathes or milling machines with a 3 phase motor, usually don't have 3 phase power to operate. These VFDs (instead of using a rotary phase converter) can now be used to convert single phase power to 3 phase power. Read more »
A510-2040-C3-Dealers Electric-Teco
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40 HP, 230 Volts, 3 Phase, NEMA 1, Teco, A510-2040-C3

Model #: A510-2040-C3  
230 Volts 3 Phase Input, 230 Volts 3 Phase Output
Stock:  0
HP : 40
Enclosure : NEMA 1
Input Voltage : 230
Input Phase : 3
Manufacturer : Teco-Westinghouse
Output Voltage : 230
Output Phase : 3
Model : A510
Item Condition : Factory New
Weight:  88 lbs
Retail Price$5,330.00
Our Price:
You Save:$2,591.00 (49%)
Out of Stock

Teco-Westinghouse A510 Heavy Duty Drive

Teco has added -U to the part number. The new part number is A510-2001-C-U.
Operation Mode LCD keypad with parameter copy function
Control mode V/F, V/F+PG, SLV, SV, PMSV with space vector PWM mode
Frequency control range 0.1Hz ~ 400.0Hz (1200.0Hz with special parameter setting)
Frequency accuracy
(Temperature change)
Digital references: ±0.01% (-10~+40ºC),
Analog references: ±0.1% (25ºC ±10ºC)
Speed control accuracy ±0.1% (closed loop vector control), ±0.5% (sensorless vector mode)
Frequency setting resolution Digital references: 0.01Hz,
Analog references: 0.06Hz/60Hz
Output frequency resolution 0.01Hz
Overload Tolerance rated output current 150%/1 min, 200%/2sec (C.T. mode), 120%/1 min (V.T. mode),factory setting of 150%/1 min, 200%/2 sec
Frequency setting signal 0 ~ +10VDC/4 ~ 20mA or -10VDC ~+10VDC and pulse–typefrequency command
Acceleration/deceleration time 0.0~6000.0 sec (separately set acceleration and deceleration times)
Voltage, frequency characteristics Can set custom V/ F-curve based on parameters
Braking torque Approx. 20%
Main control functions Auto tuning, shaft lock, torque control, position control, droop control, soft-switching in PWM, over-voltage protection, dynamic braking, speed search, frequency traversing, instantaneous power fault restart, PID control, automatic torque compensation, slip compensation, RS-485 communicaton MODBUS standard, speed feedback control, simple PLC functionality, 2 sets of analog output, safety switch interlock
Additional control functions Record of elapsed power-up and operation times, 4 most recent occurrences of faults and the most recent fault record, status, energy-saving function setting, single phasing protection, smart braking, DC braking, dwell, S-curve acceleration and deceleration, Up / Down operation, MODBUS communication type, scale pulse output, engineering unit display, Local/ remote switching keys, SINK/ SOURCE input interface options, stall protection Action: current can be set (in acceleration or constant speed state)
Protective Functions Stall protection Threshold current can be set (in acceleration or constant speed, it can be set separately. In deceleration, it can be set on or off )
Instantaneous Over Current (OC) and output Short Circuit (SC) protection Inverter shuts off when the current exceeds 200% of the inverter related current.
Inverter Overload protection (OL2) Inverter rated current is 150%/1 min., at 200%/2 sec, inverter stops (C.T. type), carrier frequency factory setting is 8~2 kHz. At 120%/1 min, inverter stops (V.T. type), carrier frequency factory setting is 2 kHz.
Motor Overload (OL1) protection Electrical overload protection curve
Over Voltage (OV) protection When the main circuit DC voltage exceeds 410V (230V units)/ 820V (460V units), the drive faults out regardless of whether it is in run mode or stopped.
Under Voltage (UV) When the main circuit DC voltage is under 190V (230V units)/ 380V (460V units), the drive faults out regardless of whether it is in run mode or stopped. The DC voltage trigger level can be adjusted.
Automatic restart after instantaneous power fault Power fault exceeds 15 ms. This is programmable to 2 seconds.
Overheat protection (OH) By direct temperature detection in the unit
Ground Fault protection (GF) Uses current feedback for protection
Protection in charge state When main circuit DC voltage exceeds 50V, the “CHARGE” LED is on.
Output Phase Loss Protection (OPL) Automatically stops motor rotation and faults
Location Indoor (protected from corrosive gases and dust)
Ambient temperature -10~+40°C without de-rating (IP20/NEMA1), -10~+50°C (IP00), with de-rating, its maximum operation temperature is 60°C
Storage temperature -20~+70°C
Humidity 95%RH or less (no condensation)
Altitude and vibration Altitude of 1,000 m (3,300 ft) or lower, vibration below 5.9m/ s2 (0.6G)
Functions Communication function RS-485 standard with built-in (MODBUS) (RJ45)
PLC function Built-in
UL, cUL, CE  
EMI protection The added noise filter complies with EM61800-3, 460V, 215 hp or below can be built-in.
EMS protection Follows EN61800-3
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