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Three-phase triac voltage stabilizer Volter 21 птc (21.0 kW) is a reliable triac device 21 птc, developed for reliable safety of home and professional electrical equipment from unpredictable voltage fluctuations in the grid. It works as an effective shield against dangerous impulse surges, mains voltage drops, high-frequency noise, and sine wave distortions. Thanks to appropriate power capacity, this stabilizer is an excellent solution for houses, apartments, and offices where stable and safe operation is critical of sensitive appliances.
The operation of this stabilizer is based on the technology of automatic switching of autotransformer windings using high-speed electronic switches (triacs). Adjustment of the output voltage is performed in steps, but almost instantaneously. This ensures effective protection of the connected equipment without mechanical wear of power components and without background noise during switching.
Technical Specifications Volter 21 птc
- Nominal power — 21.0 kW
- Stabilization type — Triac
- Number of phases — three-phase
- Output voltage regulation accuracy — +2 -3%
- Nominal output voltage — 220 V
- Stabilization input voltage range — 170.0–265.0 V
- Low cut-off voltage (Umin) — 160 В (per phase)
- High cut-off voltage (Umax) — 285 В (per phase)
- Maximum load current — 32.0 A
- Operating temperature range — Operating temperature range from +1°С to 40°С indoors
- Manufacturer warranty — lifetime
Key Benefits of the Model
- Stable output parameters (±+2 -3%): the device holds output voltage within strict limits of 217.8 V to 222.2 V, providing ideal conditions even for sensitive medical or laboratory equipment.
- Operating temperature range: adaptation to standard temperatures guarantees reliability of the device in residential, office, and any heated rooms.
- Synchronization with autonomous power: the unit is fully compatible for operation with solar station inverters (handles reverse current) and autonomous fuel generators.
- Quiet execution: due to the use of electronic semiconductor switches, the device runs almost silently and does not create acoustic discomfort.
- Quality guarantee: official warranty conditions from the manufacturer confirm exceptional reliability of the device and durability of all components.
Safety and Protective Functions
- Emergency overload shutdown: protective power cut-off upon dangerous exceedance of the allowable load power.
- Temperature control: constant overheat protection of power switches and transformer with automatic fan launch.
- Emergency short circuit trip: ultra-fast output de-energization upon short circuit occurrence to prevent damage to power modules.
- Impulse spike protection: effective absorption of high-voltage noise in the mains grid caused by lightning or switching processes.
Installation and Connection Recommendations
- Wall-mounted installation: the stabilizer body is securely fixed on a vertical surface using mounting plate or anchors.
- Clearance for ventilation: leave free space around ventilation openings (at least 10–15 cm) for effective heat dissipation.
- Power cables connection: connection to power supply lines is carried out via terminal strip. The copper feeder cable cross-section must correspond to nominal load.
- Environmental conditions: the device has IP20 standard 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 power parameters of the model are suitable for safe operation of all appliances in a large cottage, office, or commercial site.
- Heating and water systems: creates a perfect sinusoidal signal, which is critically important for gas and solid-fuel boiler automation.
- Server systems: prevents data loss and malfunctions of office appliances from sudden impulse noise.
- Specialized equipment: provides the necessary voltage quality for sensitive electronic equipment in clinics.
Why Choose Total-Energo LLC
- Engineering check: we conduct detailed voltage performance analysis at your site before installation, ensuring accurate device matching.
- Direct partnership: we supply only original products with 100% official manufacturer warranty and access to brand service.
- Professional installation: our specialists experienced electricians perform the full range of installation and setup works in compliance with technical regulations.
- Long-term service support: we provide prompt assistance and technical consulting during the whole period of using the stabilizer.