Description
Aoyi Voltage Regulator Model ZKD-2A (72 mm, 220VAC 50/60Hz) is a panel-mounted SCR-based digital voltage controller used for precise AC power regulation in industrial heating and automation systems.
General specifications
- Model: ZKD-2A
- Brand: Aoyi
- Power supply: 220VAC ±15%
- Frequency: 50/60Hz
- Panel size: 72 × 72 mm
- Adjustable output range: 0 – 220VAC
- Control method: Phase-angle SCR (thyristor) control
- Installation type: Panel mounting (square cut-out)
Main function
- Provides continuous adjustment of AC output voltage
- Commonly used for:
- Plastic processing machines (blow molding, vacuum forming)
- Industrial heaters and heating elements
- Temperature control systems
Technical characteristics
- Digital SCR control with phase-shift triggering
- High stability under fluctuating input voltage
- Designed mainly for resistive loads (heaters, heating wires)
- Built-in display and push-button setting (depending on version)
Construction and control features
- Single-phase control system
- Supports one controlled thyristor or equivalent SCR module
- Compact 72 × 72 mm industrial panel format
- Stable operation with feedback control for voltage regulation
Important notes
- Suitable primarily for resistive loads, not recommended for inductive loads such as motors or transformers without proper configuration
- Proper heat dissipation (heatsink) is required during operation
- Correct wiring and phase synchronization are critical to prevent damage
Summary
The Aoyi ZKD-2A is a compact industrial SCR voltage regulator designed for 220VAC systems, commonly used in heating and process control applications, with a 72 mm panel format and 50/60Hz compatibility.
