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Three-phase inverter voltage stabilizer Volter EtalonS-27 (27.0 kW, frost-resistant) is a reliable inverter device EtalonS-27, developed for effective protection of household and industrial electrical equipment from unpredictable voltage fluctuations in the grid. It acts as a reliable barrier against dangerous impulse surges, long voltage sags, line interference, and current frequency fluctuations. Thanks to high power capacity, this stabilizer is an excellent solution for facilities with a corresponding number of loads where stable and safe operation is critical of demanding equipment.
The operation of this unit is based on advanced double conversion inverter technology. The device constantly converts incoming AC power into DC and then generates output AC power with a pure sine wave and a fixed value of 220 V. Thanks to the stepless regulation principle, the voltage is corrected most gently, without the slightest jumps or delays typical of outdated relay or step-type devices.
Technical Specifications Volter EtalonS-27
- Nominal power — 27.0 kW
- Stabilization type — Inverter
- Number of phases — three-phase
- Output voltage regulation accuracy — ±1%
- Nominal output voltage — 220 V
- Stabilization input voltage range — 130.0–330.0 V
- Low cut-off voltage (Umin) — 105 В (per phase)
- High cut-off voltage (Umax) — 330 В (per phase)
- Maximum load current — 40.0 A
- Operating temperature range — Operating temperature range from -25°С to +40°С indoors
- Manufacturer warranty — lifetime
Key Benefits of the Model
- Exceptional output stability (±1%): the device reliably maintains output voltage within strict limits of nominal values, providing ideal conditions even for demanding medical or laboratory equipment.
- Temperature resistance: frost-resistant board and components enables mounting the device in unheated rooms or electrical boards without risk of malfunctions or condensation.
- Alternative grid operation: the unit is fully compatible for operation with hybrid solar power stations (handles reverse current) and generator sets.
- Resource and durability: due to the use of electronic semiconductor switches, the device runs quietly and eliminates sparking and wear.
- Unlimited support: official warranty conditions from the manufacturer confirm impeccable assembly quality and durability of all components.
Safety and Protective Functions
- Critical current overload protection: automatic de-energizing of the device upon long-term exceedance of the allowable load power.
- Multi-level thermal protection: constant temperature monitoring of power switches and autotransformer with automatic fan launch.
- Short circuit protection: instant reaction to a short circuit in the connected load to prevent damage to power modules.
- Impulse and lightning surge filtration: effective smoothing of high-voltage spikes in the mains grid caused by external factors.
Installation and Connection Recommendations
- Wall vertical mounting: the stabilizer body is securely fixed vertically on the wall using included mounting elements.
- Air circulation assurance: leave free space around ventilation openings (from 10 cm) for unobstructed forced cooling.
- Terminal grid connection: connection to power supply lines is carried out via terminal block. The copper feeder cable cross-section must correspond to maximum device current.
- External exposure protection: the device has IP20 protection class, which implies installation in rooms with moderate humidity and dust levels.
Application Area: Where the Device is Used
- Cottages and private houses: the stabilizer nominal power are designed for protection of all appliances in a large cottage, office, or commercial site.
- Heating equipment: provides a pure sine wave, which is necessary for gas and solid-fuel boiler automation.
- Computers and office equipment: protects network equipment computer systems, servers, and network switches.
- Medical offices: maintains stable power for dental units and precise diagnostic tools.
Why Choose Total-Energo LLC
- Professional grid assessment: we conduct preliminary measurements of grid parameters at your site before installation, to select the optimal stabilizer model.
- Authorized dealership: we supply exclusively certified equipment with direct support of the factory lifetime warranty and access to brand service.
- Qualified turnkey installation: our specialists with appropriate certification perform high-quality mounting, connection, and commissioning in compliance with technical regulations.
- Full technical support: we provide warranty, post-warranty, and preventive maintenance throughout the entire lifetime.