The **M2RTS-R-21-R/Q** is a specific model within the **M2 series** of miniature, high-reliability toggle switches, typically manufactured by NKK Switches or similar industrial components suppliers. These are often used in control panels, instrumentation, and telecommunications. --- ### 1. Technical Specifications Table The following table outlines the core electronic and mechanical parameters for this component: | Feature | Specification | | :--- | :--- | | **Circuit Type** | DPDT (Double Pole, Double Throw) | | **Switch Function** | ON-ON (Latching) | | **Current Rating** | 6A @ 125V AC / 3A @ 250V AC | | **Contact Resistance** | 10 milliohms maximum | | **Insulation Resistance** | 1,000 Megohms minimum @ 500V DC | | **Dielectric Strength** | 1,000V AC for 1 minute minimum | | **Mechanical Life** | 100,000 operations minimum | | **Terminal Type** | Right-Angle PC Terminals | --- ### 2. Breakdown of the Model Code (M2RTS-R-21-R/Q) The alphanumeric suffix provides details on the hardware and mounting style: * **M2**: Series designation (Miniature Toggle). * **RTS**: Indicates the mounting type, likely **Right-Angle Through-hole** mounting. * **21**: Refers to the internal circuit configuration (DPDT). * **R/Q**: These suffixes usually denote the contact material and environmental compliance: * **R**: Silver contacts (standard for power applications). * **Q**: Often refers to the specific plating or lead-free/RoHS compliance standards. --- ### 3. Key Electronic Components & Materials * **Bushing:** Usually threaded or plain brass with nickel plating to prevent oxidation. * **Contacts:** Silver alloy is common for the "R" designation, providing low resistance and high conductivity for power-level switching. * **Housing:** Diallyl phthalate (DAP) resin, which is a high-grade thermosetting plastic with excellent electrical insulation and heat resistance. * **Actuator:** Chrome-plated brass toggle for durability and tactile feedback. --- ### 4. Implementation Example Below is a simple representation of how this DPDT switch might be wired in a polarity reversal circuit (common for DC motors): ```python # Conceptual Wiring Schematic # Terminal 1 --- [Positive Source] # Terminal 2 --- [Output A] # Terminal 3 --- [Negative Source] # Terminal 4 --- [Negative Source] # Terminal 5 --- [Output B] # Terminal 6 --- [Positive Source] def toggle_switch(position): if position == "UP": return "Output A: Positive, Output B: Negative" elif position == "DOWN": return "Output A: Negative, Output B: Positive" ```