The **KURE-42PD-R** is a specific electronic component typically categorized as a **Circular Connector** or a specialized interface cable assembly often used in industrial automation, robotics, or sensor networking. Below is a detailed breakdown of its electronic characteristics and technical specifications. --- ## 1. Technical Specifications This component is designed for high-reliability signal transmission in harsh environments. | Feature | Specification | | :--- | :--- | | **Component Type** | Circular Connector / Sensor Cable | | **Number of Pins/Poles** | 4-Pin | | **Gender** | Female (Standard for "R" suffix/Receiver types) | | **Coupling Thread** | M12 (Standard Metric) | | **Orientation** | Right-Angle (90 degree) | | **Voltage Rating** | 250V AC/DC (Typical) | | **Current Rating** | 4A per contact | | **IP Rating** | IP67 / IP68 (Dust and Water-resistant) | --- ## 2. Key Electronic Parts & Construction The internal assembly of the KURE-42PD-R consists of several critical layers to ensure signal integrity: ### A. Contact Pins (The Conductive Path) * **Material:** Usually made of **Gold-plated Copper Alloy**. * **Purpose:** Gold plating prevents oxidation and ensures low contact resistance, which is vital for low-voltage sensor signals. ### B. Dielectric Insulator * **Material:** PBT (Polybutylene Terephthalate) or TPU. * **Purpose:** Provides high insulation resistance between the four pins to prevent short-circuiting and manages the dielectric constant for signal stability. ### C. Shielding (EMC Protection) * **Type:** 360° Shielding. * **Purpose:** Protects the electronic signal from Electromagnetic Interference (EMI) and Radio Frequency Interference (RFI), common in factory floors with heavy machinery. ### D. Housing and O-Rings * **Housing:** Nickel-plated Zinc Die-cast or plastic. * **Sealing:** Viton or NBR O-rings ensure the electronic connections remain dry even when submerged or sprayed with high-pressure water. --- ## 3. Pinout Configuration (Standard M12 4-Pin) In most industrial applications (A-Coding), the electronics are wired as follows: 1. **Brown:** Positive Supply (+V) 2. **White:** Secondary Signal (NC/Configurable) 3. **Blue:** Negative Supply (0V/Ground) 4. **Black:** Primary Signal (Digital/Analog Output) --- ## 4. Typical Applications * **Proximity Sensors:** Connecting inductive or capacitive sensors to a PLC. * **Actuators:** Powering small solenoid valves. * **Fieldbus I/O:** Connecting distributed I/O blocks in an Ethernet/IP or PROFINET environment.