Passive Components

50 Amps 4 Pole AC contactor 24V/110V/220V Coil

$97.50

SKU: ATO-ACCON-050

This lightweight and convenient bypass AC contactor with 4P (4NO) or 4P (2NO+2NC) contact form, it has a lot coil voltage to choose like 24V, 110V, 220V. And when the voltage is at 380V, the rated current is 50A; voltage is at 660V, rated current is 39A. 4 pole contactor relay can be used for a long time and is also affordable.

EMI/RFI Power Line Filter 20A, 3 phase

$97.07

SKU: ATO-EMI-1020

EMI/RFI power line filter, three-phase three-wire single-stage, rated current 20 Amps and rated voltage 250V/440V AC. Low leakage current, compact design, threaded stud connection and excellenct attenuation performance.

Green Laser Module, Laser Diode, 520nm 300mW

$96.42

SKU: ATO-LM-QS603030LC

Factory price green laser module operates at a wavelength of 520nm, produces bright green laser light, and the power output can be adjusted according to customer needs, up to 300mW. The laser diode module operates stably in a wide temperature range of 0℃ to 60℃, ensuring reliable performance in different environments, and has adjustable spot and coarse beam adjustment functions, suitable for measurement or extensive lighting needs.

3 Phase Current Transformer, 450/5A, 800/5A, 1250/5A

$95.87

SKU: ATO-3PCT-Z302

Precision measurement 3 phase current transformer with 0.5 accuracy for many scenarios. Current ratios are optional, including 450/5A, 800/5A, 1250/5A to meet different needs. Easy to install with 35mm aperture.The housing is made of flame retardant PC/ABS alloy to ensure the product is safe and reliable in high temperature environments, ideal for current monitoring.

50 amp 4 pole Miniature Circuit Breaker

$93.85

SKU: ATO-MCB-4P50

4 pole 50 amp miniature circuit breaker (MCB) for sale at an economical price. This mini circuit breaker working at a 50-60Hz rated frequency, is a compact and essential protective device widely used in electrical systems to safeguard circuits from damage caused by overcurrent, short circuits, and overload conditions.

63 amp 4 pole Miniature Circuit Breaker

$93.85

SKU: ATO-MCB-4P63

MCB miniature circuit breaker with 4-pole, 63 amp, provides reliable protection for electrical systems, breaking capacity of 6kA at 230/400V AC voltage. This C63 mini circuit breaker ensures effective interruption of fault currents, offering enhanced safety for electrical installations.

2 amp 4 pole Miniature Circuit Breaker

$93.29

SKU: ATO-MCB-4P02

Compact 4 pole 2 amp miniature circuit breaker (MCB) is designed to provide reliable short circuit and overload protection for electrical circuits. This mini circuit breaker with 6 kA short circuit breaking capacity and C curve trip characteristic, handles voltages up to 230/400V AC.

4 Pole Molded Case Circuit Breaker, 50A/ 60A/ 75A/ 100A

$92.86

SKU: ATO-MCCB-1004P

Factory price molded case circuit breaker online for sale. 4 pole mccb with rated current 50A/60A/75A/100A for selection, rated voltage 380/ 415VAC, 50Hz/ 60Hz. Molded case breaker offers stable and reliable function, beautiful appearance, small size and long service life.

3 Phase Current Transformer, 100/5A, 200/5A, 250/5A

$92.69

SKU: ATO-3PCT-Z301

High-performance 3-phase current transformers with current ratios of 100/5A, 200/5A, 250/5A, accuracy to class 0.5 and a powerful 50 W. Suitable for 3-phase current measurement, ensuring reliable and accurate current monitoring.

Digital Timer Relay, 8 Pin, 24V DC/110-240V AC

$92.58

SKU: ATO-TIMER-TH100

Digital timer relay / countdown timer, on-delay timer, features timing setting range 0.01~9999 second / minute / hour, with supply voltages 85V-265V AC (110-240V AC) or 24V DC, 4-digit LED dual time display, easy to read, wide time delay range and high timing accuracy. 8-pin timer relay, available with 8-pin mounting socket for DIN Rail, easy to install.

Refrigeration Pressure Switch, -0.2 to 32 Bar/2 to 45 Bar

$92.46

SKU: ATO-RPS-LF58

Factory price refrigeration pressure switch for sale online, provides different pressure adjustment range options -0.2-32 bar/2-45 bar, the maximum working pressure can reach 48 bar, suitable for a variety of media such as refrigerant, air, water and oil. It is often used to control the pressure of the compressor in the refrigeration system.

Heavy Duty Connector, 24 Pin, 500VAC / 16 Amp

$91.29

SKU: ATO-HDCN-24P

The wiring form of 24 pin heavy duty connector is screw connection. It has working current 16A, working voltage 500VAC, temperature range -40℃~+125℃ (-40℉~+257℉), insertion/withdrawal cycles 500 times and protection class IP65. 24 pin heavy duty connector has different 4 shell items for choice.

32 amp Mechanical Interlock AC Contactor

$91.29

SKU: ATO-ACCON-32N

Factory price 3 pole/ 4 pole normally open mechanical interlocking AC contactor is a combination of two reversing contactor and a mechanical interlock, auxiliary contact 2NC, coil rated voltage from 24V AC, 36V, 48V to 380V, rated operational current 32 amp, which meets IEC standard.

EMI Power Line Filter 10A, 3 phase

$89.92

SKU: ATO-EMI-1010

EMI power line filter, 3-phase 3-wire, single stage, rated current 10A, operating frequency 50/60Hz and voltage rating to 250V/440V AC, connected with threaded stud, excellenct attenuation performance and favorable price.

Split Core Current Transformer, 800/5A

$89.78

SKU: ATO-SCT-CTKD-800

800/5A split core current transformer with 1.5m copper core wire, internal high quality copper wire winding, split core type current transformer can be quickly installed and disassembled in the state of non-stop power, non-connection, easy to operate, is the ideal choice for circuit transformation.

Split Core Current Transformer, 1000/5A

$89.78

SKU: ATO-SCT-CTKD-1000

Compact split core current transformer primary 1000A , secondary 5A , accuracy class 0.5, tie fixed installation with 1.5m red and black wire, can be used for electromagnetic relay protection, microcomputer protection, intelligent power and environmental monitoring.

Split Core Current Transformer, 600/5A

$89.68

SKU: ATO-SCT-CTKD-600

Highly accurate split core type current transformer with snap-on design, current ratio 600/5A, measurement accuracy 0.5, can be safely and easily installed in existing power systems, ideal for smart meters and grid retrofit.

2 Position 80A Rotary switch 3 Pole/4 Pole

$89.65

SKU: ATO-WS3080

This rotary switch is used for AC 50Hz, rated working voltage below 440V, rated current to 100A in electrical circuit, 2 position, 3 pole or 4 poel is optional, rated current 80 amp, insulation class IP65, small size, compact structure, direct sales by manufacturers.

Heavy Duty Connector, 16 Pin, 250VAC/500VAC, 16A

$89.37

SKU: ATO-HDCN-16P

16 pin heavy duty connectors have 16A working current and AC 250V/500V working voltage. There are 8 different shell items to select. Cheap heavy duty connector meets standard DIN EN 60 664-1, DIN EN 61 984. It also has the certificate of CCC, CE, ROHS, RU, CSA, TUV.

24AWG Hook-Up Wire, UL1061, 300V, 2000 ft

$88.59

SKU: ATO-UL1061-24

Low cost 24AWG stranded hook-up wire meets UL 1061 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.