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The CALMER Series — a professional line of high-precision three-phase voltage stabilizers, designed specifically to power equipment with demanding power quality requirements. Thanks to a stabilization accuracy of ±1%, a response time of 20 ms, and modern circuitry utilizing SEMIKRON (Germany) modules, these stabilizers demonstrate the highest level of reliability on the market. They are widely used in industry, medicine, households, and businesses where uninterrupted power supply is critical.
Compatible with modern inverters
In addition, these stabilizers are easily integrated into modern uninterruptible power supply systems. They work perfectly with inverters from Deye, Victron Energy and other popular brands, ensuring maximum stability of your home or industrial power grid.
The primary purpose of the three-phase voltage stabilizer from the CALMER series by TM «RETA»
- Powering technological and industrial equipment with strict voltage requirements.
- Protection of household systems and electronics sensitive to power fluctuations.
- Use with medical equipment: MRI, CT, X-ray machines, ventilators, etc.
- Operation under green tariff conditions (connection to solar power plants, generators).
Advantages of CALMER stabilizers
- Stabilization accuracy — ±1% (36 steps, adjustment step — 4 V).
- Response time — 20 ms — nearly instantaneous reaction to voltage changes.
- Professional protection: against overvoltage, short circuit, overload, and overheating.
- WEB interface for monitoring and control (optional).
- Network analyzer — monitors key circuits in real time.
- Equipped with SEMIKRON or MCMA 110 A power modules.
- High efficiency: efficiency — up to 98%, power factor — 0.98.
- Low no-load consumption — 10–20 W.
- Works with generator sets and solar power plants.
Technical specifications of CALMER models
| Model | Umin, V | Umax, V | Ucut-off high, V | Ucut-off low, V | Error, % |
|---|---|---|---|---|---|
| CALMER 3‑5 | 130 | 235 | 260 | 103 | 1 |
| CALMER 3–11 | 148 | 253 | 278 | 110 | 1 |
| CALMER 3–17 | 166 | 271 | 296 | 128 | 1 |
| CALMER 3‑23 | 184 | 289 | 314 | 146 | 1 |
Additional functions
- Start-up delay — 5–7 sec.
- Design — autotransformer, without galvanic isolation.
- Protection class — IP20
- Temperature range — from –20 °C to +40 °C.
- Relative humidity — up to 80% at +25 °C.
- Atmospheric pressure — 630–800 mm Hg.
Why choose CALMER
- Manufactured in Ukraine with consideration for local grid conditions.
- The series has been in production for over 20 years — proven quality and reliability.
- Stable 24/7 operation, even under challenging conditions.
- Used in medical facilities, laboratories, and manufacturing.
Need advice?
Specialists at Total-Energo LLC will help you select a CALMER series model to suit your needs, calculate the power reserve, explain how to connect to a solar power plant or generator, and assist with installation. Contact us—we’ll provide a turnkey solution!