Passive Components

630 amp 3 phase AC Magnetic Contactor, 24V/110V/220V Coil

$1,062.89

SKU: ATO-ACCON-630A

Shop AC magnetic contactor online, 3 pole with rated current up to 630 amps, selectable 110V/220V/380V coils voltage. This contactor relay is a form of electrical relay found on 3 phase electric motors.

Single Phase Potential Transformer, 7kV Insulation Voltage, Oil-immersed

$1,012.36

SKU: ATO-PT2-JDZX9-10

7kV Single Phase Potential Transformer, a high-quality electrical component available at an unbeatable price. The 7kV rating of this single-phase potential transformer makes it suitable for electric substations, industrial facilities, protection relay systems, commercial buildings, data centers etc.

Single Phase Potential Transformer, 3.5kV Insulation Voltage, Oil-immersed

$999.36

SKU: ATO-PT1-JDZX9-10

3.5kV Oil-immersed single phase potential transformers for sale at low prices, a robust and high-precision electrical measurement solution designed for 3.5kV power systems. With its casting insulation, precise residual voltage winding, and single-phase design, it ensures accurate voltage measurement and power quality analysis for a wide range of applications.

Single Phase Potential Transformer, 12kV Insulation Voltage, 10000/100V

$982.66

SKU: ATO-PT-JDZW-10R

High quality 12kV single phase voltage transformer for sale online. Winding with pure copper coils provides good conductivity and stable performance. The VT is constructed from superior raw materials for strength, durability and reliability. Our 12kV single phase potential transformer is ideal for your power measurements, with a maximum output of up to 500VA, providing you with an accurate and stable voltage measurement solution.

500 amp 3 phase AC Magnetic Contactor, 24V/110V/220V Coil

$936.78

SKU: ATO-ACCON-500A

Normal close normal open AC magnetic contactor online sale, 3 pole with rated current up to 500 amps, selectable 24V/48V/110V/220V coils voltage. This contactor relay is a form of electrical relay found on 3 phase electric motors.

3 Phase AC Vacuum Contactor, 250/400/630A, 7.2kV

$895.95

SKU: ATO-VCON-250630

Cost-effective 7.2kV ac contactor is mainly composed of vacuum switch tube and accessories. Rated current can be chosen from 200A/ 400A/ 630A. The ac contactor allows the operating frequency of 300 time/ h and the power frequency withstand voltage is up to 32kV voltage.

12 String PV Combiner Box

$892.45

SKU: ATO-PVCB-12S

The provided 12 string DC combiner box can work for grid-tie inverters and off-grid inverters. It is equipped with an anti-reverse diode, MCCB circuit breaker, DC fuse and surge protection device, ideal for residential and commercial settings.

50A Sine Wave Filter, 3 Phase

$889.88

SKU: ATO-SWF-50

Cheap sine wave filter for sale online with rated current of 50A, adapted power of 22kW, carrier frequency 4kHz, and F insulation class. The sinusoidal filter has less interference propagation towards neighboring equipment or lines.

Passive RF Bandpass Filter, 1165~1287 MHz

$817.79

SKU: ATO-BPF-1287MHZ

Favorable price passive RF bandpass filter for sale, with a frequency range from 1165 MHz to 1287 MHz, impedance 50 Ohm, SMA female connectors. It is a crucial component in electronic systems, designed to selectively allow a specific range of radio frequencies to pass while attenuating others. This BPF band pass filter is instrumental in audio processing and antenna systems applications.

3 Phase AC Vacuum Contactor, 1000A, 1140V

$799.51

SKU: ATO-VCON-1000

ATO provides 1.14 kV ac vacuum contactor at affordable price. Coil voltage of 36V, 110V, 220V, 380V can be customized. It is a 3 phase contactor with 1000A rated current, 2±0.5 mm open distance, 190±20N final power. The contactor shell is made of high-quality flame-retardant materials with high strength, high temperature resistance and corrosion resistance.

Passive RF High Bandpass Filter, 1.5~6 GHz

$785.49

SKU: ATO-BPF-H6GHZ

Buy favorable price passive RF high bandpass filter online, with a frequency range from 1.5 GHz to 6 GHz, power 3W, SMA female connectors. It is a crucial component in electronic systems, designed to selectively allow a specific range of radio frequencies to pass while attenuating others. This BPF band pass filter is instrumental in audio processing and antenna systems applications.

40A Sine Wave Filter, 3 Phase

$758.77

SKU: ATO-SWF-40

Sine wave output filter for high-speed motor drives. The sine wave filter with rated current of 40A, an adapted power of 18.5kW, and a fundamental frequency of 50Hz. The sinusoidal filter IP 20 protection, touch-safe terminals and temperature monitoring function to increase overall equipment safety

Single Phase Potential Transformer, 42kV Insulation Voltage, 10000/100V

$754.69

SKU: ATO-PT-10000

Low-cost single-phase voltage transformer insulation level of 42kV, rated voltage ratio of 10000/100V, accuracy level optional 0.2/0.5. Single-phase fully insulated voltage transformer with high accuracy, high stability, and good conductivity.

3 Phase AC Vacuum Contactor, 800A, 1140V

$742.69

SKU: ATO-VCON-800

AC 50Hz/ 60Hz vacuum contactor has three enlarged vacuum tubes for better contact performance. 1140V rated voltage, 800A rated current, 190±20N final power. 3 phase ac contactor coil is sensitive to conduction and carries a large instantaneous current.

Single Phase Potential Transformer, 32kV Insulation Voltage, 6000/100V

$734.65

SKU: ATO-PT-6000

The 32kV single phase voltage transformer is on sale right now, so come and take advantage of the exclusive low-price offer. This voltage transformer will provide excellent performance and reliability for your power system. With a high accuracy range of 0.2-0.5 and a rated voltage of 6000-100V, it can accurately measure voltage to ensure the stability and safety of your power system.

10AWG Hook-Up Wire, UL1015, 600V, 1000 ft

$729.19

SKU: ATO-UL1015-10

10AWG hook-up insulated wire with 600V rated voltage, stranded, UL1015, 1000 ft. PVC insulated copper cable is used for internal wiring of appliance and electronic equipment lead wires of motors and lamps where exposed to temperatures not exceeding 105℃.

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.

Single Phase Potential Transformer, 25kV Insulation Voltage, 3000/100V

$714.34

SKU: ATO-PT-3000

Low price single phase voltage transformer 25kV for sale. One-piece casting moulding ensures sealing and insulation, provides accuracy higher than class 0.5 to ensure that your power measurements are accurate and reliable, rated operating voltage single phase 3000V~100V, insulation voltage 25kV, compact design, easy installation.

400 amp 3 phase AC Magnetic Contactor, 24V/110V/220V Coil

$698.33

SKU: ATO-ACCON-400A

3 phase AC magnetic contactor at economical price, 3 pole, with rated current up to 400 amps, is mainly used in switching and controlling electric motors for industrial applications. This AC contactor relay has a wide selection of coils voltage and contact form.

330 amp 3 phase AC Magnetic Contactor, 24V/110V/220V Coil

$685.65

SKU: ATO-ACCON-330A

Favorable price 3 pole 3 phase AC magnetic contactor with rated current up to 330A, 24V/110V/220V coils, is suitable for switching and controlling electric motors for industrial applications. This AC contactor relay has a wide selection of contact form to choose from.