Passive Components

500 Amps Isolator Switch, 3 Pole/ 4 Pole

$219.63

SKU: ATO-IS-HGL500A

500 Amps isolator switch is mainly used for AC 50Hz, rated voltage 380V, 3 pole or 4 pole for selection, rated insulation voltage 690V. Long service lifetime, high safety, small size and easy operation.

1000A DC Contactor, 12V/24V/48V

$218.62

SKU: ATO-DCCON-C1000

This 1000A DC contactor has a metal outer surface and adopts environmentally friendly electroplating, which is not only environmentally friendly but also anti-oxidation. The DC contactor with a large current of 1000A can provide 12V, 24V, 48V and other high voltage dc contactor options.

20AWG Hook-Up Wire, UL1015, 600V, 2000 ft

$216.39

SKU: ATO-UL1015-20

Electric stranded hook-up wire with economical price, 22AWG, 600V rated voltage, 2000 ft/ roll, meets UL 1015 standard for tinned copper wire, selectable different colors of insulated PVC outer cover.

500A SSR Solid State Relay, 3-32V DC to DC

$214.62

SKU: ATO-SSR-DD500A

Favorable price 500A solid state relay SSR for sale, 500 apm load current (high current capacity), DC to DC type, 75V DC load voltage output, 3-32V DC control voltage input, compact design and high reliability, fast response and low noise, long-lasting and durable, high performance, widely used in application scenarios.

400 Amps Isolator Switch, 3 Pole/ 4 Pole

$213.69

SKU: ATO-IS-HGL400A

Favorable price load break isolator switch, 400 Amps, 3 pole and 4 pole are available, voltage 380V, power 220kW, voltage 660V, power 185kW, brand new, direct sale by factory.

350A High Voltage DC Contactor, 9-36V Coil Voltage

$212.15

SKU: ATO-DCCON-350

350A high voltage DC contactor offers 9-36V coil voltage, NO contact form, and normally open or normally closed auxiliary contact, used for safely controlling and disconnecting high voltage DC circuits.

20AWG Hook-Up Wire, UL1007, 300V, 2000 ft

$209.79

SKU: ATO-UL1007-20

Electric stranded hook-up wire, 20AWG, 300V rated voltage, 2000 ft/ roll, meets UL 1007 standard for tinned copper wire, selectable different colors of insulated PVC outer cover.

500A DC Contactor, single pole, 12V/24V/48V

$205.63

SKU: ATO-DCCON-C500

500A high current contactor with single pole, designed for direct current loads, IP 50 protection, good quality and long life. They are available with two optional auxiliary contacts, 2A/48V DC or 5A/24V DC.

800A DC Contactor, 12V/24V/48V

$201.69

SKU: ATO-DCCON-C800

It is a DC contactor with high current, normally open contact type and a rated load current of the contact circuit of 800A. The voltage options include 12V, 24V, 48V, etc. This 800A DC contactor is made of the same material, has good conductivity, sensitive response, low price and guaranteed quality.

350 Amps Isolator Switch, 3 Pole/ 4 Pole

$199.89

SKU: ATO-IS-HGL350A

High performance 350 Amps Isolator switch for sale, can choose from 3 pole or 4 pole, rated insulation voltage 690V. Widely used in power distribution systems and automation systems in construction, electric power, petrochemical and other industries.

30dB 50W RF Fixed Attenuator, 50 Ohm

$197.79

SKU: ATO-RFFA-30DB50W

Economical price fixed RF attenuator is an electronic device used to reduce the power of a microwave signal in coaxial configurations commonly employed in high-power applications, frequency range from DC to 4GHz, attenuation value 30dB, average input power 50W at 25℃. Designed as a passive component, 50 Ohm radio frequency attenuator operates in line within a circuit, efficiently managing signal strength without actively amplifying or generating frequencies.

40dB 50W RF Fixed Attenuator, 50 Ohm

$197.79

SKU: ATO-RFFA-40DB50W

High frequency fixed RF attenuator for sale, frequency range from DC to 4GHz, attenuation value 40dB, impedance 50 Ohm, working power 50W at 25℃. Economical price coaxial attenuator is an essential electronic component designed for radio frequency (RF) applications, particularly in high-power microwave systems such as those used in GPS devices. This coaxial device operates passively to reduce signal strength while maintaining a consistent impedance across a specific frequency range.

250 Amps Isolator Switch, 3 Pole/ 4 Pole

$196.89

SKU: ATO-IS-HGL250A

Low price 250 Amps load isolator disconnect switch, 3 pole or 4 pole can be selected, the power is 132kW when used at 380V and 110kW at 660V, small size, light weight, direct sale by manufacturer.

Current Transformer, 600/5A, 1000/5A, 2000/5A to 3000/5A

$195.68

SKU: ATO-CT-100II

High accuracy current transformer rated frequency can choose 50 Hz or 60Hz, current ratio can be 600/5A, 1000/5A, 1500/5A to 3000/5A, accuracy classes can select 1, 0.5, 0.5S, 0.2 or 0.2S. Direct sales from manufacturer and free shipping.

10dB 50W RF Fixed Attenuator, 50 Ohm

$194.69

SKU: ATO-RFFA-10DB50W

Fixed coaxial RF attenuator for sale online at best price, frequency range from DC to 4GHz, attenuation value 10dB, impedance 50 Ohm, average input power 50W at 25℃. ATO coaxial attenuator is an electronic device designed to reduce the amplitude of radio frequency (RF) signals. Typically used in high-power applications, it operates in the microwave frequency range, making it suitable for various communication systems, including GPS.

20dB 50W RF Fixed Attenuator, 50 Ohm

$194.69

SKU: ATO-RFFA-20DB50W

ATO fixed RF attenuator for sale, frequency range from DC to 4GHz, attenuation value 20dB, impedance 50 Ohm, average input power 50W at 25℃. Economical price coaxial attenuator is an essential electronic component designed for radio frequency (RF) applications, particularly in high-power microwave systems such as those used in GPS devices. This coaxial device operates passively to reduce signal strength while maintaining a consistent impedance across a specific frequency range.

32A Star Delta Starter, 15kW/ 25kW, 220V/ 380V AC

$193.32

SKU: ATO-STAR-32

32 amps starting current star delta starter for 3 phase induction motor circuit control, economic price, working at 15kW/ 25kW power, 220V or 380V AC voltage available, optional contact form 3P+NO or 3P+NC. This wye delta motor connection starter consists of 3 contactors and an air delay head for 20Hp or 34Hp asynchronous motor.

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

$192.06

SKU: ATO-DCCON-95A

High performance AC contactor with DC control is an electrical controlled device used to switch current on and off, with 3 pole or 4 pole contact form, 95 amp rated current, making and breaking the connection between the power source and the load. 12V, 24V, 48V, 220V coil voltage are available.

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

$190.80

SKU: ATO-DCCON-80A

12V ~ 220V 80A AC contactor with DC control works to connect and break of the circuit load, It is designed for DC adjustable speed drive circuits which require a combination contacts of normally open and normally closed. 3 pole (3NO) or 4 pole (2NO+2NC) contact form available, high performance and low price.

Automatic Transfer Switch, 3/4 Pole, 6 to 63 Amps

$188.92 $267.86

SKU: ATO-ATS-063

Low price and compact size dual power automatic transfer switch (ATS) with high-breaking mini circuit breaker, selectable rated operating current 6A, 10A, 16A, 20A, 25A, 32A, 40A, 63A, works at 400VAC 50Hz/ 60Hz power supply system, 3-pole or 4-pole ATS changeover switch, reliable automatic and manual operation, simple structure, easy operation and long service life.