2 Relay Stabilizer Circuit Board With Display (140V – 280V) – Product Description
Upgrade your voltage stabilizer repair and manufacturing projects with the 2 Relay Stabilizer Circuit Board With Digital Display, designed for smooth voltage regulation between 140V to 280V AC. Ideal for home and commercial stabilizers up to 5KVA, this board ensures automatic voltage correction, overload protection, and high-quality performance with reliable relay switching technology.
Perfect for stabilizer technicians, repair shops, and inverter/stabilizer manufacturers.
Key Features
- ✔ Wide Input Voltage Range: Supports 140V – 280V AC
- ✔ Dual Relay Switching for fast and accurate voltage correction
- ✔ Digital LED/LCD Display for real-time voltage monitoring
- ✔ Overload & High/Low Voltage Protection
- ✔ Automatic Cut-Off & Delay Start (Time Delay Function)
- ✔ Suitable for 1KVA – 5KVA Stabilizers
- ✔ High Reliability & Long-Life Relay Control
- ✔ Easy Wiring & PCB Terminal Connectors
- ✔ Ideal for AC, Refrigerator, TV, and Home Stabilizers
Technical Specifications
| Specification | Details |
|---|---|
| Input Voltage | 140V – 280V AC |
| Output Voltage | Regulated Standard 220V – 240V AC |
| Control Type | Dual Relay Switching |
| Display Type | LED / LCD Digital Voltage Display |
| Voltage Protection | Low & High Voltage Auto Cut-Off |
| Delay Time | 3–5 Seconds Standard (Adjustable in some models) |
| Power Capacity | Supports 1KVA to 5KVA Stabilizers |
| Frequency | 50 – 60Hz |
| PCB Quality | FR4 Heavy-Duty Copper Layer |
| Load Compatibility | Home Appliances, AC, TV, Fridge, Motors |
| Input / Output Terminals | Screw Type |
| Protection Features | Delay function, thermal overload, short-circuit protection |
Applications
- • Voltage Stabilizer Repair & Replacement PCB
- • New stabilizer manufacturing (1KVA–5KVA)
- • Home appliances voltage control
- • TV, Refrigerator, Water Pump, AC Stabilizers
Why Choose This Board?
- ✨ Stable performance & long durability
- 🔧 Easy installation for technicians
- 💡 Real-time voltage display increases safety & efficiency



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