Passive Components

Steam Pressure Switch, 0.2 to 9.0 Bar

$61.46

SKU: ATO-SPS-LF25

Steam pressure switch provides a variety of pressure ranges (0.2-0.6bar, 0.5-1.0bar, 1.0-2.5bar, 2.0-4.0bar, 3.0-7.0bar, 5.0-9.0bar), and its operating temperature can be up to 125℃, suitable for high temperature steam environment. Single pole single throw (SPST) and single pole double throw (SPDT) contact modes are available.

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.

Differential Pressure Flow Switch, 5~400kPa

$131.92

SKU: ATO-DPS-LF52A

Differential pressure flow switch is suitable for non-corrosive media such as water, air, and oil, with a wide range of differential pressure adjustment, including: 5-15kPa, 5-30kPa, 6-70kPa, 6-100kPa, 10-200kPa, 20-300kPa, and 30-400kPa. It uses a single set of SPDT micro-moving contacts, has an IP54 protection level, is dustproof and waterproof, and can be used in various industrial environments.

Digital Fluid Pressure Control Switch, 10kPa to 100MPa

$321.18

SKU: ATO-FPS-PCM710

The digital fluid pressure control switch integrates pressure measurement, display, output, and control in one device. A silicon piezoresistive sensor provides the pressure signal, followed by low-drift amplification and high-resolution A/D conversion for accurate digital processing. Real-time pressure display, two switch outputs, and a 4–20 mA analog output enable reliable pressure monitoring and control across a wide range of 10 kPa to 100 MPa.

Industrial Solid State Relay 60A, 3-32V DC to AC SSR

$69.61

SKU: ATO-GYSSR-60DA

Low price 60 Amp industrial solid state relay, single phase SSR-60DA, can control high current 24-440V AC with lowe voltage 3-32V DC, zero-crossing switch type, fast switching, compact design, high reliability and long lifespan.

Smart LED Pressure Switch for Water/Air, NPN/PNP/4-20mA

$179.41

SKU: ATO-LPS-QDKG

The smart LED pressure switch features a 4-digit LED display and an all-in-one design combining pressure measurement, control output, and monitoring. Using an oil-filled front end with a diaphragm-sealed piezoresistive sensor, the pressure switch supports a 0–600 bar control range and offers IP65 protection, suitable for both air and water. NPN, PNP, and 4–20 mA outputs provide compatibility for a wide range of hydraulic and pneumatic applications.

Industrial Solid State Relay 80A/100A/120A, DC to AC SSR

$78.84

SKU: ATO-GYSSR-120DA

Compact-size industrial single phase solid state relay can be selected with load current 80A, 100A, 120A, with low control voltage 3-32V DC and low control current 7-32mA for high current 24-440V AC, high switching speed, no spark and no noise. Best DC to AC SSR for automation fields.

Industrial Solid State Relay 150A/200A/250A/300A DC-AC SSR

$102.86

SKU: ATO-GYSSR-200DA

Reliable industrial single phase solid state relay has optional load current 150A/ 200A/ 250A/ 300A to suit different automatic control requirements. DC to AC SSR can drive high current 24-440V AC with low control voltage 3-32V DC, safe and fast switching, high-strength structure, compact size and favorable price.

Industrial Solid State Relay 350A, 3-32V DC to AC SSR

$156.18

SKU: ATO-GYSSR-350DA

High current solid state relay has 350 Amp load current, designed for industrial automation fields. Single phase SSR, zero-crossing switch type, with 3-32V DC control 24-440V AC, LED working status indication, screw mounting and compact size, safe and fast switching.

Solid State Relay Heat Sink for Industrial SSR/1-Phase SSR

$58.86

SKU: ATO-SSR-SHS

The single phase solid state relay heat sink comes in a compact and lightweight design and is available for 10-25A, 10-60A and 10-120A solid state relays. ATO solid state relay heat sinks are designed to ensure the reliable and efficient operation of your electronic equipment. It has a wide range of applications including industrial automation, heating and cooling systems and renewable energy installations.

Solid State Relay Heat Sink for Industrial SSR/3-Phase SSR

$106.15

SKU: ATO-SSR-HS

High quality aluminum SSR heat sink is designed for 3-phase solid state relay less than 120A or industrial single phase solid state relay 60A - 350A, helpful to dissipate the heat and protect your solid state relay.

10A SSR Solid State Relay, 3-32V DC to DC, Din Rail Mount

$71.42

SKU: ATO-SSR-DS10DD

SSR-10DD, Single phase solid state relay with heat sink, 3-32V DC to DC, din rail mount, load current 10A, DC control, input 3-32VDC, output 3-75VDC, suitable for high frequency use. Aluminum heat sink for solid state relay small type, good dissipation, high quality and long service life.

25A SSR Solid State Relay, 3-32V DC to DC, Din Rail Mount

$72.73

SKU: ATO-SSR-DS25DD

25A Single phase slim SSR solid state relay with heat sink, DC to DC control, din rail mount, input 3-32VDC, output 3-75VDC. High reliability, high efficiency and long lifespan. Widely used in many automatic control systems.

40A SSR Solid State Relay, 3-32V DC to DC, Din Rail Mount

$75.74

SKU: ATO-SSR-DS40DD

40A Single phase slim SSR solid state relay with heat sink, DC to DC control, input 3-32VDC, output 3-75VDC, with din rail mount. High reliability, high efficiency and long lifespan. Widely used in many automatic control systems.

50A SSR Solid State Relay, 3-32V DC to DC, Din Rail Mount

$76.26

SKU: ATO-SSR-DS50DD

Single phase 50Amps solid state relay products, 3-32V DC to DC, with din rail mount. Use semiconductor components, high working frequency, long service life, low noise and reliable operation, no spark and a series of advantages, and it is widely used in digital process control device.

60A SSR Solid State Relay, 3-32V DC to DC, Din Rail Mount

$77.53

SKU: ATO-SSR-DS60DD

SSR-60A with din rail mount, 3-32V DC to DC, Single phase solid state relay products, with fast switching speed, no spark, no noise, no electromagnetic interference, long service life, no electric shock, strong anti-interference, strong compatibility.

80A SSR Solid State Relay, 3-32V DC to DC, Din Rail Mount

$78.44

SKU: ATO-SSR-DS80DD

80A, 3-32V, with din rail mount, Single phase solid state relays with fine electromagnetic interference, high sensitivity and fast switching speed, low drive voltage and current, unique shape and novel structure. Especially suitable for corrosion, moisture, dust resistant and other harsh environments. Widely used in many automatic control systems.

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.

Solid state relay SSR-15AA, 15A 90-280V AC to AC

$51.69

SKU: ATO-SSR-DH15AA

Single phase solid state relay (SSR), AC control, load current 15 Amp, input voltage 90-280V AC and load voltage 24-480V AC, with LED indicator and panel mount. High reliability and favorable price.

Solid state relay SSR-15DA, 15A 3-32V DC to AC

$50.67

SKU: ATO-SSR-DH15DA

Low price 15 amps single phase solid state relay, SSR-15DA, 3-32V DC control voltage and 24-480V AC load voltage, with LED indicator. Strong structure, compact size and high performance.