Passive Components

6 amp 3 pole Miniature Circuit Breaker

$76.85

SKU: ATO-MCB-3P06

6 amp current rating miniature circuit breaker (MCB) for sale at factory price, with 6kA rated short-circuit breaking capacity. This 3P mini circuit breaker is designed for short circuit and overload protection in the AC 50Hz circuit, 230/400V 3 pole voltage.

6 amp 4 pole Miniature Circuit Breaker

$86.79

SKU: ATO-MCB-4P06

Economical price 4 pole miniature circuit breaker is used to provide reliable protection for electrical systems with a current rating of 6 amp. This mini MCB breaker features a C trip characteristic, ensuring the breaker trips promptly under overload conditions while providing a rated short-circuit breaking capacity of 6 kA.

80A DC Circuit Breaker, 1/2/3/4 Pole

$101.56

SKU: ATO-DCCB-80A

80 amp DC circuit breaker with 125A shell and frame current for sale. Rated impulse withstand voltage of pv circuit breaker is 8 kV. 1 pole, 2 pole, 3 pole and 4 pole can be selected. Working temperature of 80A DC circuit breaker between -25 ℃ and 50 ℃.

Air Differential Pressure Switch, 250V, IP54

$73.76

SKU: ATO-APS-LF32

Factory price air differential pressure switch adopts single-pole double-throw (SPDT) contact mode and has an IP54 protection level to prevent dust and water splashes. The operating temperature range is -40℃ to +85℃, the rated voltage is 250V, the rated current is 1.5A (0.4), and the withstand voltage is 700psi, which is suitable for monitoring air pressure changes in industrial systems.

Automatic Transfer Switch, 3/4 Pole, 10/20 to 100 Amps

$436.85 $580.23

SKU: ATO-ATS-100

Intelligent automatic transfer switch (ATS), has rated current ranging from 10 amp to 100 amp (optional 10A, 16A, 20A, 32A, 40A, 50A, 63A, 80A, 100A), 3-pole or 4-pole, rated working voltage 400VAC 50Hz and adjustable 0-30s delay time. This intelligent ATS transfer switch features compact size and light weight, easy mounting & wiring, simple operation with microcomputer controller, best automatic and manual switching between normal power and standby power.

Barrier Terminal Block, 10A/20A/30A/60A/100A/150A/200A

$5.32

SKU: ATO-TB-TD

Low price barrier terminal block online for sale, with rated voltage 660V, 10 Pole, current 10A/20A/30A/60A/100A/150A/200A are optional. Barrier terminal block can be applied to connection for various electric equipment.

Blue Violet Laser Module, Adjustable Focus Laser, 405nm 100mW

$55.46

SKU: ATO-LM-D8LASER100

Buy factory priced blue violet laser module from ATO.com, with a wavelength of 405nm and a power of 100mW, providing bright and clear laser points. The laser module supports a power supply range of 3-5V, is compatible with multiple power configurations, and is easy to install. The blue purple laser module has adjustable focus function, allowing users to precisely adjust the size and clarity of the laser point according to their needs.

Circular Connector, 2/3/4/5/6 Pin, M13

$49.21

SKU: ATO-CIRCN-12M

Circular connector has simple and firm locking mechanism, easy to seal, insert and dismantle. Circular connector has 2/3/4/5/6 pin, different shapes of plug & socket to select.

Current Transformer, 30/5A, 75/5A, 100/5A to 400/5A

$116.98

SKU: ATO-CT-3030I

Low cost CT transformer rated frequency 50Hz and 60Hz are optional, current ratio can be 30/5A, 75/5A, 100/5A, 200/5A and 400/5A, accuracy classes can be selected. AC current transformer with high accuracy, fast response and light weight.

DC Voltage Monitoring Relay, Under/Over Voltage, 12V/24V/48V DC

$105.98

SKU: ATO-MR-DVRD

DC voltage monitoring relay with 2 C/O contacts (2 Form C or DPDT) provide protection for the equipment from undervoltage and overvoltage in DC circuit 12V, 24V, 36V or 48V, adjustable trip delay time, LED indicator for working state, DIN rail mounting, compact design, good quality and low price.

Digital Over and Under Voltage Protector, 63A/80A/100A

$66.77

SKU: ATO-OVP-80A

Auto reste digital over and under voltage protector is equipped with 63A/80A/100A current, 2 pole or 4 pole, clear display, flame retardant housing, and supports rail mounting, used to protect circuits or electrical equipment from damage caused by excessive high or low voltage.

Digital Timer Relay, 8 Pin, 12V/24V/220V

$78.85

SKU: ATO-TIMER-TH200

Digital timer relay with 3-digit LED display, on-delay timer, time setting range 0.01~999 second/minute/hour, supply voltages 12V DC, 24V DC or 220V AC. 8-pin timer relay with optional 8-pin mounting socket for DIN Rail, easy to install, high accuracy and wide time delay range.

Electromagnetic Relay, 3PDT, 12/24/110/220V coils

$52.99

SKU: ATO-EMR-HH53P

General purpose electromagnetic relay, 11 pins, 3PDT contact type, available for the common coil voltages of 12V DC, 24V DC, 110V AC and 220V AC, rated load 5A/240V AC 28V DC, compact size, favorable price and high quality.

EMC Input Filter for VFD, 10A/30A/50A/120A/200A to 1000A

$121.62

SKU: ATO-EMC-730

High-performance EMC input line filter has excellent interference suppression capability to the input side of VFD at 3-phase 3-wire AC 250/440V 50/60Hz, available rated current 6A/ 10A/ 30A/ 50A/ 120A/ 200A to 1000A, low leakage current, threaded stud or quick connect, high quality and low price.

Heavy Duty Connector, 4 Pin, 250VAC / 10A

$77.46

SKU: ATO-HDCN-4P

4 pin heavy duty connectors have AC 250V working voltage, 10A working current and pollution degree III. There are 5 different shell items to choose from. Heavy duty connectors have the certificate of CCC, CE, ROHS, RU, CSA, TUV. 4 pin heavy duty connectors with applicable temperature range -40℃~+125℃ (-40℉~+257℉) can be used in harsh environments.

IP66 Aluminum Waterproof Junction Box

$52.46

SKU: ATO-WJB-67

The series of waterproof junction box is made of aluminum alloy die-casting, waterproof rating is IP66. Adopting silicone sealing strip, good sealing performance, waterproof, dustproof, corrosion-resistant, anti-radio frequency interference, easy to process. Aluminum waterproof junction box is very suitable as electrical junction box for indoor and outdoor electrical engineering.

Joystick Switch, 4NO4NC, 150V/ 15A, 250V/ 10A, 600V/4A

$35.00

SKU: ATO-JS-HKA1-1

Cost-effective joystick switch for sales, featuring 4NO4NC, with 150V/ 250V/ 600V rated voltage, 15A/ 10A/ 4A rated current, 71mm hole diameter. It is widely used in factory equipment, instrumentation, marine equipment, medical equipment, CNC lathes, and oil extraction.

LED Machine Light, 8W-40W

$60.95

SKU: ATO-LML-210

Machine tool lighting at affordable price, with 8W/ 12W/ 14W/ 16W/ 18W/ 20W/ 30W/ 40W supply power for selection, 340mm/ 422mm/ 523mm/ 570mm/ 613mm/ 655mm/ 955mm/ 1252mm total length of the light can be chosen. LED machine light has advantages of durability, super brightness, dust-proof, waterproof and long service life.

Momentary Foot Pedal Switch, 250V, 15A

$45.56

SKU: ATO-CFS-302

Economical price foot pedal switch with rated current 15 amp, rated voltage 250 volt, contact 1NO1NC, action force 3.2kg. The momentary foot switch offers impact resistance, abrasion resistance, high temperature resistance advantages.

Plastic Push Button Switch, 1 NC+1 NO, 10 A

$40.55

SKU: ATO-PB-10A

The product base of the 1 NC+1 NO plastic push button control switch is made of PA 66 material and copper-based composite silver dots. With a waterproof ring equipped, and the waterproof level reaches IP 65. This 10 A push button switch is your best choice.