The **HA3N-R** is a specific model within the **H3N series of Solid State Timers** (often manufactured by companies like ANLY, OMRON-compatibles, or similar industrial automation brands). These are multi-mode, plug-in electronic timers used in control panels to manage the timing of electrical circuits. --- ### 1. Technical Specifications Below are the typical electronic characteristics of the HA3N-R series: | Feature | Specification | | :--- | :--- | | **Supply Voltage** | AC/DC 12V - 240V (Model dependent) | | **Contact Rating** | 5A at 250VAC (Resistive load) | | **Time Ranges** | 1s, 10s, 1m, 10m | | **Output Type** | Relay (DPDT - Double Pole Double Throw) | | **Mounting** | 8-pin or 11-pin circular socket | | **Operating Life** | Mechanical: 5,000,000 operations; Electrical: 100,000 operations | --- ### 2. Core Electronic Components The internal circuitry of the HA3N-R consists of several functional blocks: 1. **Time-Base Oscillator:** An internal IC that generates a precise frequency used to measure the elapsed time. 2. **Potentiometer:** The front-facing dial. It acts as a variable resistor that adjusts the RC (Resistor-Capacitor) time constant or sends a signal to the IC to define the setpoint. 3. **Electromagnetic Relay:** The physical component that switches the high-power load. When the timer finishes its cycle, a transistor triggers the relay coil. 4. **LED Indicators:** * **PW (Power):** Indicates the unit is energized. * **UP (Output):** Indicates the timing cycle is complete and the relay is active. --- ### 3. Operating Modes The "R" in HA3N-R usually signifies specific timing logic. Most timers in this series support: * **On-Delay:** Timing begins when power is applied. The relay switches after the set time. * **Off-Delay:** Timing begins when the trigger signal is removed. * **Interval:** The relay turns on immediately when power is applied and turns off after the set time. --- ### 4. Pin Configuration (Typical 8-pin) For installation, the electronic pins are usually mapped as follows: ```text Pin 2 & 7: Power Supply Input Pin 1: Common (Set 1) Pin 3: Normally Open (Set 1) Pin 4: Normally Closed (Set 1) Pin 8: Common (Set 2) Pin 6: Normally Open (Set 2) Pin 5: Normally Closed (Set 2) ``` ---