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ATO industrial automation
ATO is a trusted U.S. registered company in industrial automation & controls, ATO's goal is helping saving your money by bypassing all kinds of local dealers/agents in buying industrial automation products from Chinese manufacturers directly. You will be enjoyed to get free tech support on how to choose, how to wire, how to commissioning with ATO professional engineers. Shopping for your automation systems on ATO one-stop online store now.
ATO Top Selling
High Temperature Limit Switch with Roller Lever
$148.15
SKU: ATO-HTLS-RL
High temperature limit switch adopts one roller lever with a radius of 38mm and fully enclosed 1NO + 1NC contact switches casting from high temperature resistant material, can be used in the environment temperature 350℃ (622℉) and without being damaged by oxidation or pollution. The default rated current and voltage is 5A/220VAC. Customizable voltage is DC 0-220V and AC 0-480V. Roller lever limit switch has automatic reset function. It is usually used for the machinery operating at a low speed.
2-Passage Rotary Joint, Pneumatic/Electrical Slip Ring, G1/8" Thread Port
$225.92
SKU: ATO-RTJT-3002
2-passage rotary union, pneumatic/electrical slip ring can 360° rotate transfer fluid mediums including compressed air, vacuum, water, steam, oil, hydraulic and other gas/fluid. For power/current/signal transmission, circuits can select 6/12/24/36/56 wires 2A or 12/24 wires 5A. G1/8" port for 6~8mm pipes. Combination of circuit wires and current can be customized.
Digital Gas Flow Meter, Air/Oxygen/Nitrogen, 0-250L/min
$486.37
SKU: ATO-FLOW-MF5700
Small gas mass flow meter, selectable flow range 0~20L/min (DN 6mm), 0~100L/min (DN 8mm) and 0~250L/min (DN 12mm). Digital display, easy to read. High sensitivity and good repeatibility, accurate to trace the flow rate. Battery-powered, low power consumption. Favorable price and high reliability, suitable for instantaneous flow rate and flow accumulation of compressed air, oxygen, nitrogen, etc.
1" Pneumatic Angle Seat Valve, 2 Way, 2 Position
$134.99
SKU: ATO-ANGLE-25
Low price pneumatic angle seat valve adopts single acting pneumatic actuator with spring safety protection to operate, 1 inch (DN25) thread port, 2 way 2 position, stainless steel body material, nominal pressure 1.6MPa, air pressure 0.4~0.8MPa. This angle seat piston valve can control air, water, oil, gas and steam.
Electromagnetic Brake, DC 24V, 6Nm/200Nm
$110.69
SKU: ATO-EB-FBD
Cheap price electromagnetic brake for sale, static torque can select 400Nm, 200Nm, 100Nm, 50Nm, 25Nm, 15Nm, 6Nm, rated voltage DC 24V, max speed of 1800rpm, fast speed, easy installation and easy maintenance, manufacturer direct sales.
ATO Recommendations
170A AC Capacitor Switching Contactor, 3 Pole, 220V/380V
$208.88
SKU: ATO-CC-170A
170A AC capacitor switching contactor for sale, providing dependable switching performance for capacitor compensation systems. With support for up to 90 kVAr capacitor loads, 3P construction, 220V/380V coil voltage, and convenient DIN rail installation, it ensures safe and stable operation in electrical cabinets.
115A AC Capacitor Switching Contactor, 3 Pole, 220V/380V
$199.62
SKU: ATO-CC-115A
ATO 115A AC capacitor switching contactor supports capacitor banks up to 60 kVAr for power factor correction and capacitor protection. With 3P design, 220V/380V AC coil, 2NO+1NC auxiliary contacts, and DIN rail mounting.
95A AC Capacitor Switching Contactor, 3 Pole, 220V/380V
$155.66
SKU: ATO-CC-95A
ATO 95A AC capacitor switching contactor is designed for reliable capacitor bank switching and protection in reactive power compensation systems. Featuring a 3-pole structure, selectable AC 220V/380V coil voltage, 50 kVAr maximum capacitor capacity, auxiliary contacts, and DIN rail mounting for easy installation in industrial control cabinets.
63A AC Capacitor Contactor, 3 Pole, 220V/380V
$130.68
SKU: ATO-CC-63A
63A AC capacitor contactor for capacitor bank control and power factor correction applications. With AC 220V/380V coil voltage, 3P design, 2NO+1NC auxiliary contacts, and capacitor protection function, it supports up to 32 kVAr capacitive loads. DIN rail mounting ensures fast installation and reliable performance in electrical control systems.
43A AC Capacitor Contactor, 3 Pole, 220V/380V
$113.58
SKU: ATO-CC-43A
43A AC capacitor contactor with 3 poles, 1NO+1NC auxiliary contacts, and AC 220V/380V coil. Supports capacitor banks up to 20 kVAr for reactive power compensation, featuring DIN rail mounting, screw terminals, and reliable capacitor protection.
32A AC Capacitor Contactor, 3 Pole, 220V/380V
$103.68
SKU: ATO-CC-32A
32A AC capacitor contactor for sale, featuring a 3-pole structure, 1NO+1NC auxiliary contacts, a selectable 220V/380V AC coil at 50Hz, and support for capacitor banks up to 18 kVAr. Designed for reliable capacitor bank switching in reactive power compensation systems, it provides easy DIN rail installation for electrical cabinets.
25A AC Capacitor Contactor, 3 Pole, 220V/380V
$96.62
SKU: ATO-CC-25A
25A AC capacitor contactor designed for reliable capacitor bank switching and protection in reactive power compensation systems. Features a 3-pole structure, 1NO+1NC auxiliary contacts, an AC coil rated for 220V/380V at 50Hz, and DIN rail mounting for easy installation in electrical cabinets.
ATO Torque Sensors
Reaction Torque Sensor, Dual Flange, 20 Nm/100 Nm/5000 Nm to 10000 Nm
$193.92
SKU: ATO-TQS-S01
Torque sensor is a strain gauge sensor for static torque measurement. Static torque sensor has double-flange, a 5 pin male plug and no mounting base so it can be easy to install. Reaction torque sensors have a capacity range from 20 Nm/300 Nm/2000 Nm to 10000 Nm and can measure both forward and reverse torque.
Micro Reaction Torque Sensor for Static Torque, 0.5-150 Nm
$175.93
SKU: ATO-TQS-S04
Micro torque sensor is a reaction torque sensor for static torque measurement. Torque sensor is made of aluminium alloy, 150%FS safety overload, -20°C~+80°C operating temperature, low price. Reaction torque transducers have a capacity range from 0.5 Nm ~ 150 Nm and can measure both forward and reverse torque.
Static Torque Sensor, 0-100 Nm
$180.39
SKU: ATO-TQS-N7
Small size static torque sensor with affordable price for sale online. Static torque transducer adopts with stainless steel material. The working temperature of compact torque sensor between -20°C to 60°C. This torque sensor is widely used in various torque testers, torque wrenches and other static torque measurement fields.
Digital Rotary Torque Sensor, 0.1/5/300/1000 Nm to 10000 Nm
$939.15
SKU: ATO-TQS-D03
Digital rotary torque sensor with LCD display has the capacity range from 0.1 Nm/0.3 Nm/1 Nm/5 Nm/10 Nm/300 Nm/1000 Nm to 10000 Nm. LCD display can show torque, speed and power value at the same time. Dynamic torque sensor adopts two NSK shafts to ensure starting torque as low as 0.00001 Nm. Rotary torque transducer with 7 pin waterproof circular connector and 3m cable can measure both forward and reverse torque, and then output ±5V/0-10V/4-20mA/RS485 torque signal to PLC.
Rotary Torque Sensor, Non-Contact, Shaft to Shaft, 0.05-300000 Nm
$1,015.34
SKU: ATO-TQS-D01
Rotary torque sensor is a non-contact torque sensor with two shafts and shaft keys, a male plug and a mounting base. Shaft torque sensors have a capacity range from 10 Nm/50 Nm/2000 Nm/10000 Nm to 300000 Nm. It can be applied to torque/rotary speed/power measurement of AC/DC motor, gear motor and diesel generator for a long-term.
ATO Load Cells
Tension/Compression Load Cell, Low Profile, 500kg/30 ton to 100 ton
$145.28
SKU: ATO-LC-P02
Low profile load cell also known as pancake load cell, has flat design, high strength and good symmetry. Tension and compression load cell can be applied for platform scale, truck scale, rail weighbridge and material level measurement and control in warehouse, with good anti-eccentric load performance, low height, all sealed structure and complete specifications.
Strain Gauge Load Cell, S type, 5kg/20kg/30kg/500kg to 7 ton
$82.59
SKU: ATO-LC-S02
S type load cell can bear both tension and pressure, with overload protection device, good output symmetry, high accuracy, compact structure and complete specifications. Strain gauge load cell can be applied for batching scale, electronic-mechanical scale, crane scales, automatic weighing instrument and other force value measurement and control.
Tension and Compression Load Cell, 1 kg - 500 kg
$137.98
SKU: ATO-LC-TC01
Tension and compression load cell can bear both tension and pressure, with good anti-eccentric load performance, low height, all sealed structure and complete specifications. Miniature load cell with optional capacity 1 kg/ 100kg/ 200 kg/ 300kg/ 500 kg is suited to use in restricted spaces, such as using in vehicle/test instrument/laminator measurement and control.
Compression Force Sensor, Ring Type, 0.5kN-200kN
$193.99
SKU: ATO-FS-HX004
Compression force sensor, ring type for sale, with optional capacities of 0.5kN, 1kN, 2kN, 5kN, 10KN, 20kN, 50kN, 100kN, 200kN, has an output sensitivity of 1.0 ± 10% mV/V and a zero output of ±2%F.S. Made from stainless steel, the higher quality load cell has an impedance of 700Ω and insulation of ≥5000MΩ/100VDC. The operating voltage is 5-15V, and it performs within a temperature range of -20°C to 80°C. Hollow design, the main measurement of extrusion force, assembly interference detection and control of other industrial control force detection.
Load Cell Transmitter, Output 0-5V/0-10V/4-20mA
$81.27
SKU: ATO-LCTR-OA
Load cell transmitter is made of aluminum alloy, output standard signal 0-5V/0-10V/4-20mA, has linear compensation, humidity compensation, external zero debugging, external span debugging, input overload protection and output short circuit protection functions.
ATO Variable Frequency Drives
2 hp (1.5 kW) VFD, Single Phase Input & Output
$243.08
SKU: GK3000-1S0015
Discounted 2 hp VFD, 1 phase for single phase AC motor, 220V - 240V 9.6 amps, brand new direct sale by manufacturer.
3 hp (2.2 kW) VFD, Single Phase Input & Output
$379.23
SKU: GK3000-1S0022
Cheap 3 hp VFD, 1 phase for single phase AC induction motor, good variable speed performance, 220V - 240V 17 amps, manufacturer direct sale.
3 hp VFD, Single Phase to Three Phase VFD
$238.14
SKU: GK3000-2S0022
Low price 3hp VFD, convert 220V/230V/240V 1 phase to 3 phase, 9.6 amps, RS485 enabled, shipping weight 3kg, manufacturer direct sale.
5 hp VFD, Single Phase to Three Phase VFD
$294.31
SKU: GK3000-2S0037
5hp variable frequency drive, single phase to three phase VFD, 17 amps, RS485 enabled, shipping weight 4kg, manufacturer direct sale.
7.5 hp VFD, 1-Phase 220V to 3-Phase 380V VFD
$726.89
SKU: GK3000-CS0055G
Customizable 7.5 hp (5.5 kW) single phase VFD, single phase 220V to three phase 380V variable frequency drive for AC motor speed control. Features 13 amps, RS485 communication interface, IP20 enclosure rating.
ATO Gas Detectors
Handheld Hydrogen Sulfide (H2S) Gas Detector, 0 to 50/100/500 ppm
$478.96
SKU: GD200-H2S
This pump-type single gas detector is suitable for detecting the leakage of hydrogen sulfide (H2S), with a range of 0-50ppm, 0-100ppm, 0-200ppm, 0-500ppm etc., for options, and gives light, sound and vibration alarm. Favorable price and high reliability.
Fixed Ammonia (NH3) Gas Detector, 0 to 50/100/200 ppm
$754.13
SKU: GD300-NH3
Fixed ammonia gas detector is used to detect the concentration of NH3 with selectable measuring range of 0 to 50/100/200/500/1000/2000/5000 ppm. NH3 detector with sound and light alarm and real-time display, signal output 4-20mA and RS485, high accuracy, high reliability and low price.
Portable Oxygen (O2) Gas Detector, 0 to 30% Vol
$479.22
SKU: GD200-O2
Portable oxygen detector, ideal for monitoring O2 gas concentration in the range of 0 to 30% Vol or 0 to 100% Vol, with sound, light and vibrating alarm, light and compact, easy to setting and operation, long working time with large capacity battery, high accuracy and low price.
Fixed Carbon Dioxide (CO2) Gas Detector, 0 to 9999 ppm
$757.85
SKU: GD300-CO2
Economical price fixed gas detector from ideal supplier, for carbon dioxide detection. Measuring range 0-1000/2000/5000/9999 ppm for selection, remote control output signal 4-20mA and RS485, monitor CO2 concentration and sound & light alarm, high accuracy 3% F.S, fast response within 10s, 24h work and real-time display.
ATO Power Supplies
DC-DC Boost Converter, 12V to 48V
$63.45
SKU: ATO-DCDC-1248
DC-DC boost converter series for sales, selectable output current from 1 amp to 20 amps, 10-25V wide input voltage range. This DC-DC power module is designed to step up 12V DC to 48V DC, high transfer efficiency and stable performance.
60A 30V 1800W Variable DC Power Supply
$699.39
SKU: ATO-VDCPS3060K
Buy 0 to 60A, 0 to 30V variable DC power supply online. It is switching mode with 1800W DC output power, constant voltage (CV) / constant current (CC) output precision, selectable single phase single phase 110V or 220V±10% AC input, 3 digit LED display. This high efficiency regulated DC power supply offers both adjustable voltage and current settings, ensuring precise control over the output parameters.
5 kVA Isolation Transformer, Single Phase, 230V to 120V
$1,436.54
SKU: ATO-T-DG5KVA
Lower cost 5 kVA isolation transformer, single phase, to use in alternating current (AC) 50Hz or 60Hz, step down the voltage 230V to 120V or step up 120V to 230V. Copper wire or aluminum wire for optional, IP20 protection grade enclosure, dry type natural air self cooling mode.
10kVA 3-Phase 480v 60Hz/380v 50Hz Frequency Converter
$5,990.75
SKU: HZ-50-3310
High quality three phase 10 kVA frequency converter (AC power supply), convert 480V/460V 60Hz to 380V/400V 50Hz by inner step-up & step-down transformer, adjustable output frequency & voltage suitable for industrial equipments.
ATO DC Contactors
50A DC Reversing Contactor, 2 pole, 12V/24V/48V
$74.31
SKU: ATO-DCCON-R50
Two pole DC reversing contacor with 2 sets of switching contacts, 2NO and 2NC form, 50 amps rated load current of contact circuit, coil rated voltage with 12V/24V/48V DC for selection. Cheap price and manufacturer direct sale.
100A DC Reversing Contactor, 2 pole, 12V/24V/48V
$126.46
SKU: ATO-DCCON-R100
Low cost reversing contacor with two interlocked contacts, to prevent the motor from running forwards and backwards simultaneously. 2 pole DC contactor with 2NO and 2NC (DPST-NO, DPST-NC) contact form, coil rated voltage with 12V/24V/48V DC for choice.
200A DC Contactor, 12V/24V/48V
$121.65
SKU: ATO-DCCON-C200
This 200 amps contactor is available in coil voltage 12V, 24V, 48V, continuous operating duty, normally open (NO) or normally closed (NC) contact form, high quality DC contactor with high-performance quality, low cost and manufacturer direct sale.
300A High Voltage DC Contactor, 12V/24V coil
$186.15
SKU: ATO-DCCON-HV300
The ATO-ADH300 contactor has been designed for DC loads, particularly for DC high voltage field, operating voltage up to 900V. 300A rated load current of contact circuit, normal open (SPST-NO) main contacts with silver alloy tips, which are weld resistant, hard wearing and have excellent conductivity.
ATO Blog
How to Add Dual Emergency Stop in PLC Servo Control Systems?
Thu, Jul 16 by ATO.com
Dual emergency stop is one of the important safety functions of servo motion control systems. It provides an extra protection layer for PLC-based servo motion systems, enabling emergency shutdown from two independent positions. Integrating hardware and PLC sof...
10 Industrial Communication Protocols
Mon, Jul 13 by ATO.com
Industrial communication protocols are the foundation of every modern automation system. PLCs rarely operate alone—they continuously communicate with HMIs, sensors, servo drives, robots, industrial PCs, and other field devices. Communication protocols define h...
How to Add Overtravel Protection & Reset Alarms in PLC Servo Position Control?
Fri, Jul 10 by ATO.com
In a servo positioning system, reliable motion control requires more than simply driving a motor. The system must also be able to detect over-travel conditions, stop motion before mechanical damage occurs, and provide a safe method for clearing alarms after fa...
How to Wire an Gas Detector Controller?
Tue, Jul 07 by ATO.com
If you're installing an gas detector controller, this guide explains how to complete both the 3-wire 4-20mA analog output wiring and the 4-wire RS485 communication wiring. Whether you're connecting a single gas detector or integrating multiple detectors into a...
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