Passive Components

Core Balance Current Transformer, 300/1A, 400/1A, 600/1A

$169.99

SKU: ATO-CBCT-346

High quality core balance current transformers for sale! The CBCT transformation ratios, including 300/1A, 400/1A to 600/1A, to adapt to different current ranges. The ironless design ensures high performance and 5P10 accuracy, ensuring current transformers are accurate. This is an affordable option for a variety of power system applications, increasing system reliability and safety.

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.

125 Amps Isolator Switch, 3 Pole/ 4 Pole

$169.79

SKU: ATO-IS-HGL125A

Affordable price isolator switch for sale, 3 pole or 4 pole, load isolating switch is beautiful in appearance, novel, concise, and small in size. It is an ideal choice among similar products.

15 kvar 235 μF Shunt Power Capacitor, 3 phase, 450V, Self-healing

$168.92

SKU: ATO-CAP-45015

High quality AC power capacitor is 15 kvar ( 235 μF) rating, which used in low voltage 450V electrical system to reduce reactive loss and improve power factor. Bring excellent self-healing property and reliable, dry type structure design, no liquid leakage pollution of the environment.

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.

65 amp 3/4 Pole DC Coil Contactor, 12V/24V/48V/220V Coil

$165.46

SKU: ATO-DCCON-65A

Low cost 65A AC contactor is an electrical switching device with DC control to control electric motors, lighting and other electrical loads at 12V, 24V, 36V, 48V, 110V, 220V coil rated voltage. Rated power up to 37 kW, contact form 3 pole (3NO) or 4 pole (2NO+2NC) for your choices.

Split Core Current Transformer, 1500/5A

$164.89

SKU: ATO-SCT-DP1500

Split core current transformer for cable and copper row, primary current 1500A, secondary output 5A, accuracy Class 0.5, simple structure and reasonable design allow the split core current transformer to be used flexibly in a variety of applications.

200A DC Reversing Contactor, 2 pole, 12V/24V/48V

$164.46

SKU: ATO-DCCON-R200

Contact circuit rated current 200 amps, 2 pole DC contactor with 12V/24V/48V coil for choice, DPST-NO, DPST-NC contact form, two interlocked contacts are designed to prevent the motor from running forwards and backwards simultaneously.

Single/3 Phase Bar Fuse Isolator Switch

$163.38

SKU: ATO-FIS-HG2B

Isolator switch has fuse, can be single-phase independent breaking or 3-phase simultaneous breaking. Rated working current can selecte 160A/250A/400A/630A. It is suitable for industrial distribution system with AC 50Hz and rated voltage 400V/630V. Current transformer is integrated with the bar switch, easy to adjust incoming and outgoing wires.

18A Star Delta Starter, 11kW/ 15kW, 220V/ 380V AC

$162.64

SKU: ATO-STAR-18

Star delta starter for sale at economic price, 18 amp rated operational current, 11kW/ 15kW (15Hp/ 20Hp) power, working at 220V or 380V AC voltage, optional contact form 3P+NO or 3P+NC. This y delta motor connection starter consists of 3 contactors and an air delay head, which is used for 3 phase induction motor circuit control.

22AWG Hook-Up Wire, UL1430, 300V, 2000 ft

$161.69

SKU: ATO-UL1430-22

22AWG stranded hook-up wire meets UL 1043 standard for tinned copper wire, 300V rated voltage, 2000 ft. /roll. Available in different colors of PVC outer cover for insulation. Electrical wire is commonly used in commercial wiring applications.

200A High Voltage DC Contactor, 12V/24V coil

$161.08

SKU: ATO-DCCON-HV200

High voltage DC contactor, built-in energy saving coil, available with 12V or 24V DC, normally open type (SPST-NO), main contact rated load current is 200 amps, operating voltage up to 1000V, maximum switching power up to 640 kW.

400A DC Contactor, 12V/24V/48V/220V

$158.61

SKU: ATO-DCCON-C400

Single pole DC contactor with 12V, 24V, 48V, 220V coil voltage for choice, has one normal open contact (SPST 1NO), contact circuit rated load current of 400A, offers exceptional performance in an extremely small and lightweight device. 400A DC contactor is suitable for switch control of system circuits such as battery cars, cleaning cars, communication power supplies and automobile air conditioners.

LNA RF Low Noise Amplifier, 0.5~6 GHz, 23dB Gain

$158.59

SKU: ATO-LNA-05623

Buy RF low noise amplifier online at a low price, with a frequency range of 0.5~6 GHz, 23dB gain, and a working current of 85mA at 5V or 12V voltage. LNA plays a crucial role in satellite communication systems, enhancing weak signals from GPS satellites before reaching the receiver. LNA integrated circuit (IC) is designed to minimize signal degradation and combat noise inherent in operational amplifiers.

2 inch Float Valve for Water Tank

$158.46

SKU: ATO-FV-50

Factory price 2" water tank float valve can control the water level in a tank, with brass and stainless steel materials, widely used for residential, commercial, and industrial settings where a reliable and continuous water supply is required.

Multifunctional Monitoring Relay, Line Voltage, 3 Phase, 208-480V AC

$158.23

SKU: ATO-MR-JVR8002

Phase-phase voltage monitoring relay, used for phase loss, phase sequence, voltage unbalance, overvoltage and undervoltage monitoring with 3 phase power supplied by 208-480V AC 50/60Hz, also with timer & counter function, 0.1-30s adjustable delay time, compact size relay with 1 CO + 1 NC contacts, real-time LCD display for voltage, fault and operation state, DIN rail mounting. High accuracy and favorable price.

Current Transformer, 300/5A, 600/5A, 1000/5A to 1500/5A

$157.68

SKU: ATO-CT-60II

Current transformere ratio can select 300/5A, 500/5A, 800/5A and 1500/5A, rated frequency 50Hz and 60Hz are avaliable, accuracy classes can choose 0.5S and 0.2S. Low price and manufacturer direct sale.

100 Amps Isolator Switch, 3 Pole/ 4 Pole

$157.59

SKU: ATO-IS-HGL100A

Comfortable price isolator switch has the advantages of small size, light weight, long life and low loss. Rated current 100 Amps, can select 3 pole or 4 pole, rated insulation voltage 690V rated, factory direct sales。

50 amp 3/4 Pole DC Coil Contactor, 12V/24V/48V/220V Coil

$156.92

SKU: ATO-DCCON-50A

50A 3 or 4 pole AC contactor is an electrical switching device with DC control to control electric motors, lighting and other electrical loads at 12V, 24V, 36V, 48V, 110V, 220V coil rated voltage. Rated power up to 37 kW, contact form 3 NO or 2NO+2NC for your choices.

Programmable Timer Relay, 12-Input 12-Output, 24V DC

$156.77

SKU: ATO-TIMER-24PLC

Brand new programmable timer relay, works as both multiple timer relays and a simple PLC controller for independent control and high accuracy, 12-in and 12-out relay output, compatible with PNP/NPN switching signal. Optional analog input/output 0~20mA, 0~10V, 485 Modbus. 24V DC power supply, easy-to-read LCD display, convenient DIN rail mounting, easy to operate, high performance and affordable price.