A 20 kW single-phase voltage stabiliser is engineered to deliver robust, continuous voltage regulation for large loads. It converts and stabilises fluctuating input voltages—such as 75–130 V or 180–260 V—up to a regulated standard output (usually 110–120 V or 220–240 V ±4–5 %). Ideal for guarding high-power appliances (air-conditioners, refrigeration units, large industrial motors, server racks), these stabilisers handle extreme fluctuations and voltage surges, offering surge protection, thermal cutoffs, and automatic recovery after faults. Most feature heavy-duty construction with analogue/digital meters and require professional hard-wiring to mains power
- Power Capacity: 20,000 W (20 kVA) single-phase stabilisation
- Input Voltage Range: Typically 75–130 V or 140–260 V (~±30–35 %)Output Voltage:
1. 110–120 V ±4 % (step-down mode) 2. 220–240 V ±4–5 % (step-up mode)
- Frequency Support: 50/60 Hz operation
- Regulation Accuracy: ±3–5 % typical; premium servo-controlled units reach ±2 %
- Protection Features:
Over-voltage and under-voltage shutoff
Surge/spike (thermal fuse or MOV) protection
Short-circuit protection and thermal cut-off
- Display & Indicators: Analogue or digital meter for input/output voltage; indicator lights or LCDs
- Response Speed: Typically <1 s for advanced servo models; step transformers may take several seconds
- Efficiency: Around 95 % (≥ 98 % for servo-controlled)
- Cooling & Construction:Heavy-duty steel casing
Handles or forklift-ready
Air-cooled fans or natural ventilation
- Mounting: Floor-standing with hard-wire terminal connections
- Outlets: Front-panel sockets (US/EU style) or hard-wiring terminals
- Certifications: CE, RoHS (common in many models)
- Typical Dimensions & Weight: ~115–145 lb, around 22″ × 22″ × 16″ (size varies by model)
