Magnetic Proximity Sensor Detection Switch NPN DC6-36V 4mm Normally Open proximity switch LJ12A3-4-Z/BX, also known as Magnetic sensors. For those who 3D print a lot or 3D printing beginners, manually leveling a 3D printer can be time consuming and a bit mysterious. Getting it “just right” requires a good eye and constant attention while printing the first layer. Well, here comes the Magnetic proximity sensor switch for 3D printer auto-leveling.   This Magnetic proximity sensor switch makes the auto-leveling function for 3D printers more accurate and convenient. This feature will enable your printer to take several bed leveling readings and calculate a level plane so your prints are always level.   The switch contains high-frequency oscillations, a detection circuit, an amplifier circuit, a circuit solution, and an output circuit. When power is supplied to the switch, the oscillator in the high frequency oscillation circuit generates an alternating electromagnetic field on the detection surface of the switch. Features: Voltage: DC 6-36V Output current: 300mA 3 Wire Polarity: NPN Dimension : M12x10x55mm Detection Distance: 4 mm Output Status: Normally Open Part number: LJ12A3-4-Z/BX Detection objects: Metal Package Includes: 1 x Inductive Proximity Sensor Detection Switch NPN DC6-36V LJ12A3-4-Z/BX

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The Single Infrared Beam Sensor is a precision optical sensing device designed for reliable obstacle detection in automatic gates, garage doors, barrier systems, and security automation. Operating on 12–24V DC/AC, it uses a powerful 940nm infrared beam and an operating frequency of 1.92kHz to ensure accurate detection with minimal false triggers. With a detection range of up to 15 meters and IP55-rated weather resistance, it performs flawlessly in both indoor and outdoor environments. Its N.C. / N.O. relay output makes it compatible with a wide range of control systems, while its compact and durable construction allows easy installation in tight spaces. Ideal for enhancing safety, preventing collisions, and automating security systems. Features of Single Infrared Beam Sensor: Long Detection Range: Detects obstacles up to 15m. Wide Voltage Compatibility: 12–24V DC/AC operation. Weatherproof Design: IP55-rated for outdoor use. Reliable Operation: Infrared frequency of 1.92kHz with 940nm wavelength. Versatile Output: N.C. / N.O. relay configuration for multiple applications. Temperature Resistant: Works from -25°C to +55°C. Specifications of Single Infrared Beam Sensor: Operating Voltage: 12–24V DC/AC Detecting Range: ≤15m Infrared Frequency: 1.92kHz Wavelength: 940nm Operating Temperature: -25°C to +55°C Relay Output: N.C. / N.O. Dimensions (L × W × H): 49.2 × 75.3 × 29.6 mm Protection Rating: IP55 Package Includes: 2 × Infrared Beam Sensor Units (Transmitter & Receiver)

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Item specifics Condition New – Open box Seller Notes “New unused. New Old Stock” Model KS-CJT140B-11 MPN KS-CJT140B-11 Country/Region of Manufacture Japan Brand Yuken Category

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Product Specifications Material NAK80-H Diameter 0.2-0.6mm Length 330mm Hardness 38-42 HRC Possible application Forging dies Application Hot working tools Features High wear resistance, Excellent toughness, Precise dimensions, Superior strength, Easy to use, Versatile applications, Long service life, High hardness, Enhanced durability Product Overview Key Features Backed by rich industry experience and market understanding, we are involved in manufacturing, exporting and supplying of Laser Welding Wires Rods Nak80 P20 Dia. 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm.NAK80-H(Material Number Special Alloy)Is Due To Its Excellent Hot Wear Resistance And Toughness Used For Tough, Hot Wear Resistant Build-Ups OnHot Working Tools And Structural Parts, Which Are Subjected To Impact, Compression And Abrasion AtElevated Temperatures, Such As Forging Dies And Hammers, Die Cast Moulds, Hot Cutting Knives, Guides,Vacuum Chambers, Continuous Casting Rolls.Possible Hardness: 38 - 42 Hrc.Dependent On Layers And Hardness Of The Base MaterialLaser Welding WiresRods: 330 MmThe Reported Values Were Determined By The Manufacturer And / Or By A NeutralLaboratory. We Cannot Guarantee For The AccuracyRecommendat Ion For1.2343, 1.2344, 1.2367-1.2606, 1.2764-1.2767, 1.2711, 1.2714,1.2738Rew OrkThe Weld Can Be Eroded, Structured, Polished, Chrome-Plated,Etched, Nitrated, Annealed And Hardened.6

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Description Manufacturer FINDER Type of relay ELECTROMAGNETIC Contacts configuration

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Specification:- Model no. HBDS1-AGQ22F-11EZ/J/N/220V/G Operating Voltage: 220V Mounting Hole Size: 22mm LED Indicator: Green Ring Head Type: Flat with Large Surface Waterproof: IP67 Terminals: Pin terminal Material: Stainless Steel Durable and Waterproof Design

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The stepper motors move in precisely repeatable steps, hence they are the motors of choice for the machines requiring precise position control. The Nema17 0.65N-m Stepper motor can provide 0.65N-m of torque at 1.68A current per phase. The motor’s position can be commanded to move or hold in one position with the help of Stepper Motor Drivers. The Nema17 0.65N-m Stepper motor provides excellent response to starting, stopping, and reversing pulses from the stepper motor driver. They are very useful in various applications, especially which demands low speed with high precision. Many machines such as 3D Printers, CNC Router and Mills, Camera Platforms, XYZ Plotters, etc. It is a brushless DC motor, so the life of this motor is dependent upon the life of the bearings. The position control is achieved by a simple Open Loop control mechanism so it doesn’t require complex electronic control circuitry. The motor’s shaft has been machined for good grip with a pulley, drive gear, etc. and especially avoiding stall or slip. We are engaged in supplying and wholesaling a quality approved collection of Stepper Motors which are highly acknowledged and accepted for long service life and high reliability. To explore more of them click below,  Stepper Motors Note : The Nema17 0.65N-m Stepper motor dimensions and weight may have a ±2% error. Resonances can occur because of improper mounting. Not easy to operate at extremely high speeds. Features : The input pulse decides the rotation angle of the motor. High accuracy of around 3 to 5% a step. It provides good starting, stopping, and reversing. Control of this motor is less costly because of the exclusion of complex control circuitry. The speed is proportional to the frequency of the input pulses.

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Jkongmotor Nema 23 bipolar stepper motor (JK57HM56-2804) with step angle 0.9deg and size 57x57x56mm. It has 4 wires, 2.8A, 0.9Ω 3.3mH and with holding torque 1.2N.m(169.93oz.in). For more different stepper motors requirements (such as gearbox, brake, encoder, or integrated motors), please contact us!!! Electrical Specifications： Type: Nema23 bipolar stepper motor Model Name: JK57HM56-2804 Phase: 2 Step Angle: 0.9 degree Current: 2.8A Resistance: 0.9Ω±0.1(20℃) Inductance: 3.3mH±20%(1kHz 1V RMS) Holding Torque: 1.2N.cm (169.93oz.in) Insulation Class: B(130°); 80K Max. Optional Parts: Gearbox, Encoder, Brake, Integrated Driver...   Physical Specifications:   Frame Size: Nema 23 ( 57 x 57mm) Body Length: 56mm Shaft Diameter: 6.35mm Shaft Length: 21mm  

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Spec Detail Specifications and design of the products are subject to change without notice for the product improvement. Item Specifications Product Number CX-442-P Part Number CX-442-P Products Name Compact Photoelectric Sensor Product details Adjustable range reflective The price of the product Please contact our office Applicable regulations and certifications CE Marking (EMC Directive, RoHS Directive), UKCA Marking (EMC Regulations, RoHS Regulations), UL Recognition Adjustable range 40 to 300 mm 1.575 to 11.811 in(Note) The adjustable range stands for the maximum sensing range which can be set with the distance adjuster. The sensor can detect an object 2 mm 0.079 in [CX-444(-P): 15 mm 0.591 in, CX-442(-P): 20 mm 0.787 in], or more, away. Sensing range(with white non-glossy paper) 20 to 300 mm 0.787 to 11.811 in Hysteresis 5 % or less of operation distance(with white non-glossy paper) Repeatability Along sensing axis: 1 mm 0.039 in or less, Perpendicular to sensing axis: 0.2 mm 0.008 in or less (with white non-glossy paper) Supply voltage 12 to 24 V DC plus or minus 10 % Ripple P-P 10 % or less Current consumption 20 mA or less Output PNP open-collector transistor- Maximum source current: 100 mA- Applied voltage: 30 V DC or less (between output and +V)- Residual voltage: 2 V or less (at 100 mA source current), 1 V or less (at 16 mA source current) Output:Output operation Switchable either Detection-ON or Detection-OFF Output:Short-circuit protection Incorporated Response time 1 ms or less Operation indicator Orange LED (lights up when the output is ON) Stability indicator Green LED(lights up under stable operating condition) Distance adjuster 5-turn mechanical adjuster Sensing mode BGS / FGS functions switchable with wiring of sensing mode selection input Automatic Interference prevention function Incorporated(Note) Note that detection may be unstable depending on the mounting conditions or the sensing object. In the state that this product is mounted, be sure to check the operation with the actual sensing object. Protection IP67 (IEC) Ambient temperature - 25 to +55℃ -13 to +131℃ ℉ (No dew condensation or icing allowed ), Storage: -30 to +70℃ -22 to +158℃ ℉ Ambient humidity 35 to 85 % RH, Storage: 35 to 85 % RH Ambient illuminance Incandescent light: 3,000 lx or less at the light-receiving face Voltage withstandability 1,000 V AC for one min. between all supply terminals connected together and enclosure Insulation resistance 20 MOhm , or more, with 250 V DC megger between all supply terminals connected together and enclosure Vibration resistance 10 to 500 Hz frequency, 3 mm 0.118 in amplitude in X, Y and Z directions for two hours each Shock resistance 500 m/s2acceleration (50 G approx.) in X, Y and Z directions three times each Emitting element (modulated) Red LED Emitting element (modulated):Peak emission wavelength 650 nm 0.026 mil Spot diameter Ø15 mm Ø0.591 in approx.(at 300 mm 11.811 in distance) Material Enclosure: PBT (Polybutylene terephthalate)Front cover: PolycarbonateIndicator cover: Polycarbonate Cable 0.2 mm24-core cabtyre cable, 2 m 6.562 ft long Cable extension Extension up to total 100 m 328.084 ft is possible with 0.3 mm2, or more, cable. Weight Net weight: 55 g approx.Gross weight: 65 g approx.

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