Passive Components

15kV Vacuum Circuit Breaker

$3,685.21

SKU: ATO-VCB-15

Lower cost 15kv circuit breaker with vacuum suit for indoor. Electrical vacuum breaker rate current is 1000A, 2500A, 3150A. 15kv breaker rated short circuit switching current is 50kA, 80kA, 100kA.

16 amp 3 pole Miniature Circuit Breaker

$70.69

SKU: ATO-MCB-3P16

16 amp 3 pole miniature circuit breaker meets the IEC standard for rail mounting and has a 6kA rated short-circuit breaking capacity. This 3P mini MCB has a C curve trip characteristic and is designed for short circuit and overload protection in the AC 50Hz circuit, 230/400V voltage.

18 Amps 3 Pole AC Contactor 24V/110V/220V Coil

$55.50

SKU: ATO-ACCON-018

The good performance AC contactor relay provides 24V, 110V, 220V coil voltage, rated at 18A when used at AC-3 380V, and 12A when used at AC-3 660V. 3 pole contactor with three main normally open contact and one normally open/closed auxiliary contact, and it can frequent start and control the AC motors.

2 Position 25A Rotary Switch, 4 Pole

$61.53

SKU: ATO-LW26GS25

Buy cheap price rotary cam switch, 2 position, 4 pole, 25 Amp rated current, rotary switch is mainly used for the conversion of various control lines, voltmeter, ammeter commutation measurement control, distribution device line conversion and remote control.

22AWG Hook-Up Wire, UL1007, 300V, 2000 ft

$165.79

SKU: ATO-UL1007-22

Buy 22AWG insulated hook-up wire at ATO, 300V, 2000 ft. It meets UL 1007 standard for tinned cooper wire. Electric stranded cable with different color of PVC outer cover for insulation, widely used in wiring appliances and electronics.

25A Star Delta Starter, 11kW/ 18.5kW, 220V/ 380V AC

$169.80

SKU: ATO-STAR-25

25A starting current star delta starter for 3 phase induction motor circuit control, economic price, 11kW/ 18.5kW power, working at 220V or 380V AC voltage, optional contact form 3P+NO or 3P+NC. This y △ motor connection starter consists of 3 contactors and an air delay head for 15Hp or 25Hp motor.

25kV Vacuum Circuit Breaker

$3,702.41

SKU: ATO-VCB-25

Vacuum circuit breaker for sale online, with 25kv rated voltage to be the protection and control unit. Rate current of vcb circuit breaker is 630A, 1250A, 2500A, 3150A. Acting to protect and control line is the function of vcb.

30/40/50 Amp Thermal Overload Relay, 220V, 3-Phase

$56.17

SKU: ATO-TOR-304050

Thermal overload relay provides overcurrent and phase failure protection for AC motors. Current setting range 30-40Amp or 37-50Amp for selection, current rating 93A, working voltage 3-phase 220V~690V, insulation voltage 690V, matching 40A contactor and 63A/100A gG fuse breaker.

33kV Vacuum Circuit Breaker

$11,783.85

SKU: ATO-VCB-33

33kv vacuum circuit breaker with cheap price for sale, rated current is 630A, 1000A, 2000A, 2500A. Vacuum circuit breaker uses widely, it can be a flexible unit to protect line equipment with short-circuit situation or frequent operations. 33kv vacuum circuit breaker specifications are as follow form.

35kV Vacuum Circuit Breaker

$11,786.52

SKU: ATO-VCB-35

Good price vacuum circuit breaker with 35kv rated voltage for sale online. Rated current is 630A, 1250A, 1600A, 3150A. Over voltage protection is vacuum circuit breaker function. VCB breaker parts with high quality material, you can buy with satisfaction, use at ease.

360 Degree Continuous Rotation Potentiometer, 1k/2k/5k/10k Ohm

$17.85

SKU: ATO-POT-CR

ATO continuous rotation potentiometer provides unlimited 360° rotation, smooth adjustment and reliable signal control with 1k/2k/5k/10kΩ resistance options. Featuring 1,000,000 cycles rotation life, silver-plated copper contacts and stable performance, it is designed for industrial equipment, automation systems and precision control applications. Get this durable potentiometer for your project.

4 amp 1 pole Miniature Circuit Breaker

$57.49

SKU: ATO-MCB-1P04

4 amp single pole miniature circuit breaker with standard ratings of 6kA rated short-circuit breaking capacity at 230/400V AC single voltage, standard 35 mm DIN rail mounting. The mini MCB circuit breaker has a c curve trip characteristic to suit most applications.

4 amp 2 pole Miniature Circuit Breaker

$68.99

SKU: ATO-MCB-2P04

Factory price 4 amp 2 pole miniature circuit breaker (MCB) is a micro electrical switch that meets IEC standard to provide supplementary protection for the electrical equipment with 6kA rated short circuit breaking capacity, C curve trip characteristic, sand afety used in DIN rail mounting.

4 Position DIP Switch, 8 Pin, SPST

$9.19

SKU: ATO-DIP-4P

4 position 4 way DIP switch with 8 pins for sale, 2.54mm pin spacing, it is an electromechanical device to make manual changes to an electronic circuit. This micro SPST DIP switch is commonly mounted on a PCB, breadboard or motherboard.

4.7μF 35V DIP Tantalum Capacitor

$1.65

SKU: ATO-TC-047UF35DIP

High quality and lower cost 4.7μF tantalum capacitor for sale online. DIP tantalum capacitor with 35V voltage. 4.7μF 35V DIP tantalum capacitor is characterized by anti tide, flame retardancy and high temperature resistance. Tantalum capacitor applies in printer, mobile phone and elecrtic tool.

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.

6V DC Signal Relay, DPDT, 2A

$18.28

SKU: ATO-SR-W32DC6V

6V DC Low signal relay at best price, contact form DPDT, max. switching current 2A, rated load 1A 125VAC/2A 30VDC, coil nominal power 200mW/150mW for your choice.

8 String PV Combiner Box

$724.61

SKU: ATO-PVCB-8S

Get an 8 string solar combiner box from ATO.com to ensure electrical safety, simplify wiring, and provide overcurrent protection, and surge protection. 8 in 1 out PV combiner box is suitable for residential, commercial and other applications.

Adjustable Air Pressure Switch 200psi

$69.54

SKU: ATO-APS-LF10

Adjustable air compressor pressure switch with protection class IP56 for sale. Work in temperature -25℃~80℃, electrical life of 100,000 times, compact shell material stainless steel and pressure adjustment range 2.0-13.0 kgf/cm². Comes with a handle to manually cut off the compressor. Optional single pass, four pass type. Pressure adjustment range 2.0-13.0 kgf/cm². Rated voltage/current 20A/120VAC, 12A/240VAC.

Automatic Transfer Switch, 3/4 Pole, 250/350 to 630 Amps

$1,276.92 $1,383.65

SKU: ATO-ATS-630

Brand new and economical price intelligent automatic transfer switch, with rated operating current 250A, 315A, 350A, 400A, 500A, 630A for your choice, adjustable 0~30s delay time and rated working voltage 400V AC 50Hz. With automatic and manual operation, ATS comes with microcomputer controller, easy to use and wiring, safe and reliable to transfer between two power sources in many critical areas like hospitals, banks, airports and so on.