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Under $20 Variable Frequency & Adjustable Speed Drives

Shop the best prices on 2,820 great value under $20 variable frequency & adjustable speed drives. Shopping for variable frequency & adjustable speed drives is easy with Fruugo, with SALE discounts, offers and savings on Anqing Cheng Bu, Asiv, Enshishixiaoweiyuejianwangluokejiyouxiangongsi and more. Buy variable frequency & adjustable speed drives online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1 - 32 of 2,820
AC Motor Speed Controller Mini Regulator 220V 250W with CW and CCW for Instrumentation
$20.95
Bts7960 43a Motor Driver Module/smart Car Driver Module For Current Limit
$13.95 Save $65.05 RRP: $79.00
For FarDriver Controller Programming Bluetooth Adapter BT Module for ND72240 72260 72360 72680 Mobile Control
$16.95 Save $32.05 RRP: $49.00
For Compatible For 2106/161/169 Drive Control Board+switch(b)
$15.95 Save $36.00 RRP: $51.95
20A Motor Soft Starter Module Voltages Ramp Current Limit Smooth Starting Function Enhancing Motor Performances Module Multicolor
$17.95
ZK-PP2K High Power PWM & Pulse Generator, Frequency Duty Cycle Adjustable Driver
$10.95 Save $21.00 RRP: $31.95
PWM Low Voltage Adjustable Switch Motor Speed Controller 2A Output, 1.8V12V Input, PWM Speed Control For DC Motors
$20.95 Save $11.00 RRP: $31.95
PWM DC Motor Speed Controller, Adjustable 7-70V 30A Regulator for 12V 24V 36V Applications
$21.95 Save $42.05 RRP: $64.00
New 10K Linear Taper Potentiometer with 22mm Actuator for Variable Speed Drive Inverter Control
$11.95 Save $20.00 RRP: $31.95
PWM DC Motor Speed Controller 6V 12V 24V 28V 3A Speed Regulator Switch
$15.95 Save $68.05 RRP: $84.00
Stepper Motor Controller Pulse Signal Generator Speed Regulator Board Adjustable Frequencies Motor Driver
$20.95 Save $11.00 RRP: $31.95
DC5-12V 2A DC Motor Speed Controller 1%-100% PWM Motor Speed Regulator for Fan/Water Pump/Led Light Strip unbrand
$11.95
Motor Speed Controller Regulator Adjustable Speed Controller Regulator Switch 12V 24V 48V 20A DC unbrand
$11.95
7-70V 30A PWM DC Motor Speed Controller, Adjustable PWM Motor Controller Switch 30A Variable Motor Speed Regulator unbrand
$13.95
DC 9V 12V 24V 48V 60V 20A Reversible Motor Speed Controller Regulator Driver PWM unbrand
$13.95
PWM DC Motor Speed Controller DC 10 -55V Digital LED Display 0 -100% Adjustable Drive Module Input 40A 12V 24V 36V 48V unbrand
$17.95
DC Motor Speed Controller PWM 6V12V24V unbrand
$8.95
DC Motor Speed Controller DC 6-60V 12V-48V 30A PWM Adjustable Stepless Governor Regulator Motor Speed Controller unbrand
$13.95
ZK-PP2K PWM DC 3.3-30V 12V 24V Motor Speed Controller Regulator 8A 150W Adjustable LED Dimmer Pulse Frequency Duty Ratio unbrand
$13.95
PWM DC Motor Speed Controller 12V-48V/40A, Forward-Reverse Switch, LED Display & Adjustable Potentiometer unbrand
$16.95
PWM DC Motor Speed Controller 12V-36V 3A Adjustable Voltage Regulator Switch Module for Various Motors unbrand
$8.95
Variable Frequency Potentiometer 2PC - LA42DWQ, 20k Ohm, Special for Speed Regulation in Frequency Converters 20K
$8.95 Save $45.05 RRP: $54.00
2000W AC Motor Speed Controller 50‑ 25A Adjustable Motor Speed Controller Voltage Regulator
$13.95 Save $17.00 RRP: $30.95
DC Brush PWM Motor Speed Controller Switch Regulator 12V/24V/36V/60V dc motor
$20.95 Save $24.00 RRP: $44.95
Motor Controller Rate Reduction DC Switch 6A ShortCircuit Protection for 12V / 24V / 36V / 48VHwy
$12.95
230V Soft Start Drive Module Soft Start for Angle Grinder Power Tool Cutting Machine Slotting Saw Aluminum Machine 20A
$12.95
Adjustable Stepper Motor Controller 3 Frequency Reversible PWM Pulse Signal Generator for IndustryHwy
$12.95
10A PWM Pulse Width DC Motor Speed Controller Speed Regulator Switch 12V 24V 36VHwy
$12.95
4Pcs PWM DC Motor Speed Controller 1.8V-12V 2A Voltage Regulator LED Dimmer Adjustable Switch
$12.95 Save $22.00 RRP: $34.95
2026 MAGIC Pwm DC Motor Speed Controller 6V 12V 24V 3A with Reversible Switch
$15.95 Save $15.00 RRP: $30.95
1pc 10K Potentiometer 22mm Governor for VSD VFD Variable Speed Drive Inverter Control
$11.95 Save $21.00 RRP: $32.95
10K Potentiometer 22mm Governor for VSD VFD Variable Speed Drive Inverter Control
$10.95 Save $9.00 RRP: $19.95