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Controllers - 529 - Super Savings! Save up to 39%


Super Savings! Up to 39% off on Controllers at In The National Interest. Top brands include Leaton®, MYSWEETY, TESA Brown & Sharpe, Lighthouse Hydro, RioRand, DROK, Inkbird, SIMPZIA, Myron L, Teco, SkyTech, Siemens, Checkline, & Heatstar By Enerco. Hurry! Limited time offers. Offers valid only while supplies last.



Leaton® 3 Phase Sequence Presence Rotation Tester Indicator Detector Meter With LED And Buzzer Tester Phase Indicator 60V~600V AC(3 phase AC)
Leaton® 3 Phase Sequence Presence Rotation Tester Indicator Detector Meter With LED And Buzzer Tester Phase Indicator 60V~600V AC(3 phase AC)
In Stock
$18.99

ean: 0706693327539,

1 Unit with 2 Functions: The Tester was designed to check the phase sequence, and also it has LEDs to show you if the phase is open or not. Alligator Clips: They can easily involve the terminals of the control panel to be tested, guaranteeing reliabi...


MYSWEETY TB6600 4A 9-42V Stepper Motor Driver CNC Controller, Stepper Motor Driver Nema tb6600 Single Axes Hybrid Stepper Motor For CNC
MYSWEETY TB6600 4A 9-42V Stepper Motor Driver CNC Controller, Stepper Motor Driver Nema tb6600 Single Axes Hybrid Stepper Motor For CNC
In Stock
$65.59
$39.99
You Save: 39%

mpn: TB6600 4A 9-42V CNC Controller, ean: 0713839367052,

Feature: PWM chopper type bipolar stepper motor driver IC 1. 9V-42V DC power supply 2. H bridge bipolar constant phase flow drive 3. the maximum 4.0A of the eight kinds of output current 4. the largest 32 subdivision of the 6 models are optional 5. i...


Brown & Sharpe 599-792-2 Edge Finder Single, 3/8'' Shank x 0.200'' Head Diameter
Brown & Sharpe 599-792-2 Edge Finder Single, 3/8" Shank x 0.200" Head Diameter
In Stock
$19.90

mpn: 599-792-2, ean: 0622419270302,

The Brown & Sharpe 599-792-2 Edge Finder is made from Hardness Rockwell C (HRC) 58-rated steel for increased durability, and is fully hardened and precision ground. It features a 3/8” shank and 0.200” head diameter. It can locate round or flat wo...


Variable Fan Speed Controller
Variable Fan Speed Controller
In Stock
$26.95
$21.49
You Save: 20%

mpn: GH-M034, ean: 0609788081753,

Will not work with Brush-less FansFuse Protected, Built in metal mounting clamp. Three adjustable settings: Variable, Off, and Full, Three adjustable speeds: Low, Medium and High. 120V/15 Amp, 6 foot grounded power cord. Reduces fan noise (Decibel le...


RioRand 12V-40V 10A PWM DC Motor Speed Controller with Knob-High Efficiency, High Torque, Low Heat Generating with Reverse Polarity Protection, High Current Protection
RioRand 12V-40V 10A PWM DC Motor Speed Controller with Knob-High Efficiency, High Torque, Low Heat Generating with Reverse Polarity Protection, High Current Protection
In Stock
$12.99
$10.99
You Save: 15%

mpn: RRPDMSCSGSPC, ean: 0721762901182,

RioRand 12V-40V 10A PWM DC Motor Speed Controller w/ Knob--High Efficiency, High Torque, Low Heat Generating with Reverse Polarity Protection, High Current Protection From left to right they are Motor-, Motor+, Power-, Power+ Features: Control the ...


DROK 090456 10000W 110V AC SCR Electronic Thyristor Motor Speed Control Voltage Power Heat Regulator Governor Thermostat Dimmer
DROK 090456 10000W 110V AC SCR Electronic Thyristor Motor Speed Control Voltage Power Heat Regulator Governor Thermostat Dimmer
By DROK
In Stock
$22.87

mpn: 090456, ean: 0619397028025,

Feature: Voltage: AC 110V Maximum Power: 10000W (connected resistive load) Long term operating power: 7000W Voltage Regulation: AC 0V to Input-voltage Dimensions: 111 x 77 x 37mm Rotating Rod Diameter: 6mm High temperature fire FR4 Circuit boar...


Brown & Sharpe 599-792-30 Adjustable Spring Tensioned Tap Guide
Brown & Sharpe 599-792-30 Adjustable Spring Tensioned Tap Guide
In Stock
$18.50

mpn: 599-792-30, ean: 0622419270517,

The Brown & Sharpe 599-792-30 adjustable spring-tensioned tap guide is used with a tap to thread holes in machining operations. The tap guide aligns the tap with the center of the hole and maintains the tap at a right angle to the hole. The tap guide...


RioRand™ Upgraded 6V-90V 15A DC Motor Pump Speed Controller
RioRand™ Upgraded 6V-90V 15A DC Motor Pump Speed Controller
In Stock
$12.99

mpn: RR-6-90V-15A-PSC, ean: 0619636101304,

Specifications: Working Voltage: DC 6V - DC 90V (Ultra wide working voltage) Control Power: 0.01 - 1000W(Max current :15A) Static Current: 0.005A ( Standby) PWM Duty Cycle: 0% -100% PWM Frequency: 15Khz Voltage control:0-5v(Voltage -mode control ,can...


Inkbird Pre-Wired Dual Stage Digital Temperature Controller Outlet Thermostat 110V, 1100W Heating and Cooling for Fermentation Kegerator Heating Mat ect
Inkbird Pre-Wired Dual Stage Digital Temperature Controller Outlet Thermostat 110V, 1100W Heating and Cooling for Fermentation Kegerator Heating Mat ect
In Stock
$35.00

mpn: COMINHKG084064, ean: 0705701596103,

Features: Temperature Control Range : -50~99 °C / -58~210 ° F Temperature Resolution: 0.1 ° C / 0.1° F Temperature Accuracy: 1°C (-50 ~ 70°C) / 1°F (-50 ~ 160° F) Temperature Control Mode :On/Off Control, Heating and Cooling Input Power...


3D Printer Heat Bed Power Module SIMPZIA General Add-on Hot Bed Mosfet MOS Tube High Current Load Module for 3D Printer Hot Bed/Hot End(2 Pack)
3D Printer Heat Bed Power Module SIMPZIA General Add-on Hot Bed Mosfet MOS Tube High Current Load Module for 3D Printer Hot Bed/Hot End(2 Pack)
In Stock
$15.88

mpn: OP-3DPHBP-K,

It stays cool and saves your control board from melting. The included wire and terminal connectors are a nice touch. This module generally rests on top of the control box or next to the control board. Features: Color: Black Size: 6 x 5 x 3.1cm / 2.36...


Myron L AG6/PH Agri-Meter, 0-5 millimhos, 2-12 pH
Myron L AG6/PH Agri-Meter, 0-5 millimhos, 2-12 pH
In Stock
$553.50

mpn: AG6/PH,

Both AG-5 and AG6/PH AGRI-METERS are calibrated in millimhos, the term most widely used by growers to express electrical conductivity. Some charts may read in other units called micromhos. However, since one millimho equals 1,000 micromhos, conversio...


Teco Variable Frequency Drive, 7.5 HP, 460 Volts 3 Phase Input, 460 Volts 3 Phase Output, NEMA 1, N3-407-C-U, Compact Drive VFD Inverter for AC motor control
Teco Variable Frequency Drive, 7.5 HP, 460 Volts 3 Phase Input, 460 Volts 3 Phase Output, NEMA 1, N3-407-C-U, Compact Drive VFD Inverter for AC motor control
By Teco
In Stock
$500.00

mpn: N3-407-C-U, ean: 0743074729131,

TECO Westinghouse N3-407-C-U Compact 7.5HP Phase 460 Volts 13 Amps Input, 3Ph Output, VARIABLE FREQUENCY DRIVE. Features: The N3 series variable speed drives feature a compact design, sensorless vector operation, auto-cycle capabilities, Modbus RTU c...


Skytech AFVK-SP-MH/L-SPLIT Manual High/Low Split Spark to Pilot Gas Valve Kit with On/Off/High/Low Remote
Skytech AFVK-SP-MH/L-SPLIT Manual High/Low Split Spark to Pilot Gas Valve Kit with On/Off/High/Low Remote
In Stock
$596.13
$551.20
You Save: 8%

mpn: AFVK-SP-MH/L-SPLIT, ean: 0080956959980,

4.8 out of 5 stars with 53 reviews
The Skytech AFVK-SP-MH/L SPLIT electronic safety pilot system was developed to provide safe, reliable, user-friendly control for gas heating appliances. These intermittent pilot ignition (IPI) gas valve kits are set up for natural gas (NG) only and a...


6GK1571-0BA00-0AA0
6GK1571-0BA00-0AA0
In Stock
$654.00

mpn: 6GK1571-0BA00-0AA0, ean: 4019169280860,

SIEMENS GENUINE PRODUCT. PC ADAPTER USB A2 USB-ADAPTER (USB V2.0) FOR CONNECTING A PG/PC OR NOTEBOOK TO SIMATIC S7 VIA PROFIBUS OR MPI USB CABLE 5M INCLUDED MPI-KABEL 0,3M CAN BE USED UNDER WINXP/VISTA/ WINDOWS 7 32/64BITWeight: 2.00lb. Product Dimen...


BTM-400Plus Belt Tension Meter / Trummeter, Range 3 - 800 Hz
BTM-400Plus Belt Tension Meter / Trummeter, Range 3 - 800 Hz
In Stock
$795.00

mpn: BTM-400PLUS,

The CHECK-LINE® BTM-400PLUS accurately measures the static tension of flat, V and ribbed belts of rubber, leather, fabric and composite materials by measuring the natural frequency (Hz) of a segment of the belt that has been tapped and then convert...


Heatstar By Enerco Indirect Fired Unit Heater with Natural Gas To LP Conversion Kit
Heatstar By Enerco Indirect Fired Unit Heater with Natural Gas To LP Conversion Kit
In Stock
$566.99
$549.99
You Save: 3%

mpn: F160560,

If you are looking to turn your garage or barn into a work space you can use all year-round, you will have to find a safe quiet and reliable heat source. This 80,000 BTU Natural Gas Unit heater is the way to go. It uses a built-in electric high veloc...


Heatstar By Enerco F172425 Forced Air Variable Propane Heater with Thermostat with 20' Hose HS400FAVT, 400K
Heatstar By Enerco F172425 Forced Air Variable Propane Heater with Thermostat with 20' Hose HS400FAVT, 400K
In Stock
$775.00
$500.65
You Save: 35%

mpn: F172425, ean: 0856795724252,

4.5 out of 5 stars with 46 reviews
Forced air 400K BTU variable propane heater w/thermostat w/20' hose HS400FAVT.250K-400K BTU per hour. For use with propane gas. Heats up to 9000 sq. ft.. Operates up to 17 hours on 2-100 lb. propane tanks - low setting. Rugged; durable; steel constru...



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