Rating of the TOP-12 voltage stabilizers Calm: an overview and characteristics of the best models

Calm voltage stabilizer - review and rating. Selection criteria, key features, technical parameters of the best models. Advantages and disadvantages of stabilizers Calm.

Stihl voltage stabilizers are designed to equalize the voltage in a single-phase and three-phase network, protection of equipment of different power from drops and power surges.

The inverter devices discussed in this review are are based on innovative developments and provide the highest quality stabilization.

What to look for when choosing Stihl voltage stabilizers?

Main Feature inverter models Stihl is double conversion of energy with an instant change in the output voltage to nominal values.

Brand stabilizers also support a wider range of input voltages.

When choosing equipment, the following points should be considered:

  • Number of phases.
    Single-phase equipment Stihl works with household and office appliances (computers, office equipment, heating, ventilation).
    Three-phase stabilizers of the brand are recommended for industrial systems with appropriate power supply (furnaces, pumps, electric motors).
  • Rated power.
    Choosing a stabilizer with less power than necessary threatens with overloads and shutdowns.
    The actual value is determined by summing up the rated powers of all consumer electrical appliances.
  • Input voltage.
    The wide operating range of the input in Stihl inverter stabilizers provides the ability to work with problematic power networks.
    When the limit values ​​are exceeded, the load is de-energized.
  • stabilization accuracy.
    This parameter in inverter models Calm does not exceed 2 percent.
    High accuracy of voltage equalization guarantees reliable operation of lighting, measuring and household appliances.
  • Monitoring tools.
    Allow to display and analyze the parameters of the device.
    Stabilizers Shtil are equipped with light indication, digital displays, advanced models support the installation of expansion boards for remote monitoring.

Single-phase models up to 2000 W

The presented stabilizers are suitable for powering household appliances of low power - computers, TVs, refrigerators and similar equipment.

Rating of the TOP-4 models with a power of up to 2 kW according to customer reviews and ratings.

Calm IS350 (0.3 kW)

The Stihl IS350 inverter stabilizer will provide protection against power surges and voltage equalization when supplying gas boilers, pumping equipment, computers and other electrical equipment with a total power of 0.3 kW.

The device is distinguished by improved technical characteristics, including an extended stabilization range, an ideal sine wave of the output signal, and increased accuracy.

Complete noiselessness during operation is achieved by using a convection fanless cooling system.

The device can be installed on any flat surface or mounted on a wall.

To connect to the network, a Euro plug with a cable is provided, the load is powered through a socket located on the front panel.

The stabilizer is supplemented with operation indication and electronic protection.

Specifications:

  • stabilizer type - inverter;
  • rated power - 300 W;
  • input voltage - 90-310 V;
  • stabilization accuracy - ± 2%;
  • output voltage - 216-224 V;
  • protection - against short circuits / overheating / overvoltage / interference;
  • cooling - natural passive;
  • indication — LED;
  • connection — 1 socket;
  • overall dimensions - 155 × 223 × 80 mm;
  • device weight - 2 kg.

Advantages

  • ease of use;
  • stencil for mounting included;
  • noiselessness of work;
  • quality assembly.

Flaws

  • inconvenient location of the outlet;
  • uninformative indication;
  • non-detachable power cable.

Calm IS2000 2020 (220V) (1.5 kW), gray

Model Stihl IS2000 2020 (220V) for 1.5 kW with combined conventional-fan cooling is designed to protect and power various devices that are sensitive to the quality of the mains.

The device supports a wide range of input voltages, the stabilization accuracy of the device is 2 percent, the response time is 0 ms.

The product has electronic emergency protection against short circuit, impulse noise, overload and overheating.

Automatic bypass mode makes it possible to connect the load directly to the network.

The stabilizer is equipped with a cable length of 1.3 meters with a plug, standard output socket, LCD display.

Specifications:

  • stabilizer type - inverter;
  • rated power - 1500 W;
  • input voltage - 165-310 V;
  • stabilization accuracy - ± 2%;
  • output voltage - 216-224 V;
  • protection - against short circuits / overheating / overvoltage;
  • cooling - forced fan;
  • indication - digital display;
  • connection — 1 socket;
  • overall dimensions - 187 × 300 × 78 mm;
  • the weight of the device is 3 kg.

Advantages

  • stable output;
  • compact dimensions;
  • high switching speed;
  • precise sinusoidal output.

Flaws

  • high price;
  • noisy cooling.

Calm IS1500 (1.125 kW), gray

The Stihl IS1500 inverter model in a compact gray housing will provide a high level of protection and stable power supply to electrical equipment with a total power of 1.125 kW.

The stabilizer is wall-mounted.

It is equipped with a digital display, a switch, a standard socket for connecting the load.

The device is connected to the network by means of a cable with an euro plug. The product has a highly efficient fan cooling.

The device operates on the basis of a transformerless double conversion circuit.

The device is distinguished by small dimensions and weight, the presence of electronic protection and network filters.

Specifications:

  • stabilizer type - inverter;
  • rated power - 1125 W;
  • input voltage - 110-290 V;
  • stabilization accuracy - ± 2%;
  • output voltage - 216-224 V;
  • protection - against short circuits / overheating / overvoltage / interference;
  • cooling - forced fan;
  • indication - digital display;
  • connection — 1 socket;
  • overall dimensions - 300 × 180 × 96 mm;
  • the weight of the device is 3 kg.

Advantages

  • double conversion;
  • instant reaction;
  • wide range of input levels;
  • Suitable for use with gas boiler.

Flaws

  • high noise level of the built-in fan;
  • only one socket to connect the load.

Calm IS550 (230) (0.4 kW)

Stihl IS550 (230) 0.4 kW inverter equipment uses innovative double conversion technology, has excellent technical characteristics and excellent consumer properties.

The stabilizer is equipped with LED indication, a switch, a network cable with a plug, a Euro socket for connecting the load.

The electronic part is assembled using modern elements.

The microprocessor base provides an ideal sinusoidal output voltage, instantaneous switching when input values ​​change, no transients during network surges.

The device has compact dimensions and light weight.

Specifications:

  • stabilizer type - inverter;
  • rated power - 400 W;
  • input voltage - 90-310 V;
  • stabilization accuracy - ± 2%;
  • output voltage - 225-235 V;
  • protection - against short circuits / overheating / overvoltage / interference;
  • cooling - natural passive;
  • indication — LED;
  • connection — 1 socket;
  • overall dimensions - 155 × 245 × 85 mm;
  • device weight - 2 kg.

Advantages

  • high-quality stabilization;
  • lack of heating;
  • noiselessness of work;
  • light weight.

Flaws

  • low power;
  • non-informative indication;
  • one socket to connect.

Powerful single-phase models from 5000 W

High power devices will provide high-quality power to single-phase appliances and equipment for domestic or industrial use, including those with high starting currents.

Calm IS10000 2020 (9 kW), gray

Single-phase inverter equipment Stihl IS10000 2020 in a practical gray case is designed to protect and power various electrical devices with a total power consumption of 9 kW.

The model has high technical parameters, in particular, continuous stepless stabilization, support for an extended input signal range, instantaneous switching in case of network deviations, and high voltage equalization accuracy.

The product is equipped with a combined conventional/fan cooling unit, LCD operation indication, protection with auto-recovery after an accident, input and output high-frequency noise filters.

Specifications:

  • stabilizer type - inverter;
  • rated power - 9000 W;
  • input voltage - 165-310 V;
  • stabilization accuracy - ± 2%;
  • output voltage - 216-235 V;
  • protection - against short circuits / overheating / overvoltage / interference;
  • cooling - combined type;
  • indication - digital display;
  • connection - power terminals;
  • overall dimensions - 370 × 498 × 101 mm;
  • device weight - 11 kg.

Advantages

  • high-quality assembly and materials;
  • wide input voltage range;
  • speed and accuracy of stabilization;
  • auto-recovery after the protection is triggered.

Flaws

  • high price tag;
  • heating during operation;
  • great weight.

Calm IS7000 2020 (5.5 kW), gray

The Stihl IS7000 2020 5.5 kW model belongs to the class of single-phase inverter AC voltage stabilizers of the new generation and has the most modern technologies.

The device provides continuous stepless equalization of mains voltage in the range from 90 to 310 V with high accuracy.

The device is equipped with a forced cooling system with low-noise fans and automatic speed control of their rotation, a multi-level protection unit with input and output signal filtering, and power terminals for connection.

The convenient LCD screen allows you to control the operation of the device.

Specifications:

  • stabilizer type - inverter;
  • rated power - 5500 W;
  • input voltage - 90-310 V;
  • stabilization accuracy - ± 2%;
  • output voltage - 216-235 V;
  • protection - against short circuits / overheating / overvoltage / interference;
  • cooling - forced fan;
  • indication - digital display;
  • connection - power terminals;
  • overall dimensions - 366 × 353 × 104 mm;
  • device weight - 9 kg.

Advantages

  • compactness;
  • stylish design;
  • high stabilization accuracy;
  • quality output voltage.

Flaws

  • budget fasteners included;
  • loud fan operation.

Calm IS8000 (7.2 kW), gray

Shtil IS8000 inverter-type equipment with the option of setting the output voltage from 216 to 235 V and a combined cooling system will provide stable power to electrical appliances with a total power of 7.2 kW.

The stabilizer has the ability to manually adjust the output within 220-230 V.

The front panel of the device is equipped with an LCD display, LED indicators of the operating mode, a button for selecting the information displayed on the screen.

The product has a highly effective electronic emergency protection.

Connecting to the network and connecting the load is carried out using terminals.

Built-in bypass mode allows you to connect directly to the mains if necessary.

Specifications:

  • stabilizer type - inverter;
  • rated power - 7200 W;
  • input voltage - 90-310 V;
  • stabilization accuracy - ± 2%;
  • output voltage - 216-235 V;
  • protection - against short circuits / overheating / overvoltage / interference;
  • cooling - combined type;
  • indication - digital display;
  • connection - power terminals;
  • overall dimensions - 370 × 498 × 101 mm;
  • device weight - 11 kg.

Advantages

  • low noise level;
  • high-quality stabilization;
  • high speed;
  • relatively small dimensions;
  • convenient wall mounting.

Flaws

  • decent weight;
  • bright display.

Calm IS12000 Old (10 kW), gray

The Stihl IS12000 Old inverter device with a power of 10 kW operates in a single-phase network and reliably protects household, commercial or industrial equipment from short-term or long-term mains voltage fluctuations in a wide range.

The stabilizer provides stepless continuous voltage equalization, instant switching even with the slightest deviations in network parameters, perfect sine and high output accuracy.

The device can be used for uninterrupted power supply of equipment during short-term power outages (no more than 200 ms).

The product is supplemented with a digital display, signal LEDs, a protection system with auto-shutdown and recovery after an accident.

Specifications:

  • stabilizer type - inverter;
  • rated power - 10000 W;
  • input voltage - 90-310 V;
  • stabilization accuracy - ± 2%;
  • output voltage - 216-224 V;
  • protection - against short circuits / overheating / overvoltage / interference;
  • cooling - forced fan;
  • indication - digital display;
  • connection - power terminals;
  • overall dimensions - 401 × 379 × 180 mm;
  • device weight - 17 kg.

Advantages

  • high stabilization accuracy;
  • excellent performance;
  • Efficiency at the level of 97 percent;
  • relatively compact size;
  • ease of connection and operation.

Flaws

  • noisy coolers;
  • big weight;
  • high price.

Powerful three-phase models from 8000 W

Three-phase voltage stabilizers are recommended for use in industrial, social, commercial and domestic facilities with a 380V power supply.

Calm IS3320RT (16 kW), gray

The three-phase inverter stabilizer Stihl IS3320RT in a stylish gray case will protect electrical devices with a total power of 16 kW, sensitive to power quality.

It can be IT equipment, telecommunications, engineering systems, industrial and household appliances.

This model is equipped with a control panel with a digital display, has forced fan cooling and is supplemented with an impulse noise protection system.

The connected load is also protected against faults and failures.

The stabilizer is equipped with a bypass mode, an optional possibility of connecting communication interfaces.

Specifications:

  • stabilizer type - inverter;
  • rated power - 16000 W;
  • input voltage - 90-310 V;
  • stabilization accuracy - ± 2%;
  • output voltage - 216-224 V;
  • protection - against short circuits / overheating / overvoltage / interference;
  • cooling - forced fan;
  • indication - digital display;
  • connection - power terminals;
  • overall dimensions - 220 × 515 × 560 mm;
  • device weight - 35 kg.

Advantages

  • solid assembly;
  • quality components;
  • ease of installation;
  • clear settings.

Flaws

  • weak transport wheels;
  • noisy cooler fans;
  • not a democratic price tag.

Calm IS3120RT (16 kW)

Powerful three-phase inverter equipment Calm IS3120RT for 16 kW guarantees high-quality mains voltage for any load from household to industrial type with a total power of 16 kW.

The model supports the connection of a single-phase load without the need for constant phase-to-phase balancing.

The device provides instant switching in case of deviations in the network, alignment of the input voltage in the range of 90-310 V to the nominal values ​​​​with an accuracy of 2 percent, continuous power supply with a clear sinusoidal shape.

There is a possibility of uninterrupted power supply of the load during a short-term blackout (no more than 200 ms).

Specifications:

  • stabilizer type - inverter;
  • rated power - 16000 W;
  • input voltage - 90-310 V;
  • stabilization accuracy - ± 2%;
  • output voltage - 216-224 V;
  • protection - against short circuits / overheating / overvoltage / interference;
  • cooling - forced fan;
  • indication - digital display;
  • connection - power terminals;
  • overall dimensions - 220 × 515 × 560 mm;
  • device weight - 35 kg.

Advantages

  • high stabilization accuracy;
  • network filters at the input and output;
  • reliable comprehensive protection;
  • galvanic isolation from the network.

Flaws

  • expensive model;
  • significant noise during operation;
  • high power consumption at idle.

Calm IS3115RT (13.5 kW)

Stabilizer Shtil IS3115RT is designed to protect against surges in the network of a wide range of industrial and household electrical appliances with a maximum total power of 13.5 kW.

The model allows you to connect a single-phase load to a three-phase network.

The device is equipped with a metal case, a rotary control panel with LED indicators and a digital display.

The terminals on the rear panel are used for connection.

Special slots allow you to install cards for monitoring (optional).Cooling is provided by low-noise fans with intelligent speed control.

Specifications:

  • stabilizer type - inverter;
  • rated power - 13500 W;
  • input voltage - 90-310 V;
  • stabilization accuracy - ± 2%;
  • output voltage - 216-224 V;
  • protection - against short circuits / overheating / overvoltage / interference;
  • cooling - forced fan;
  • indication - digital display;
  • connection - power terminals;
  • overall dimensions - 220 × 515 × 560 mm;
  • device weight - 35 kg.

Advantages

  • instant reaction;
  • high stabilization accuracy;
  • multilevel electronic protection;
  • high efficiency - up to 97 percent;
  • fully digital control;
  • continuous output control.

Flaws

  • impressive weight;
  • high noise level.

Calm IS3110RT (8 kW)

Inverter three-phase stabilizer Stihl IS3110RT with a power of 8 kW with the possibility of installation on the floor or a rack will reliably protect a wide range of household and industrial electrical equipment from voltage surges.

The device is equipped with a convenient rotary control panel, forced fan cooling, lightning protection on a 2 kV varistor, bypass mode, a system of protection against faults and failures.

The model allows you to select and adjust the output voltage values ​​in 1 V increments.

Optional installation of communication interfaces for organizing local/remote monitoring is provided.

The stabilizer is supplemented with an input power factor corrector.

Specifications:

  • stabilizer type - inverter;
  • rated power - 8000 W;
  • input voltage - 90-310 V;
  • stabilization accuracy - ± 2%;
  • output voltage - 216-224 V;
  • protection - against short circuits / overheating / overvoltage / interference;
  • cooling - forced fan;
  • indication - digital display;
  • connection - power terminals;
  • overall dimensions - 250 × 459 × 530 mm;
  • device weight - 17 kg.

Advantages

  • high stabilization accuracy;
  • multilevel emergency protection;
  • auto-recovery option after a crash;
  • high-performance digital filling;
  • input power factor corrector.

Flaws

  • high price tag;
  • impressive weight;
  • noisy cooling system.

Reviews

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Useful video

This video provides an overview of the IS1106RT, IS1108RT, IS1110RT, IS1115RT and IS1120RT voltage regulators:

Conclusion

  • Stihl voltage stabilizers are designed to equalize the voltage and protect consumer devices from surges and surges in the network.
  • The inverter models of this brand considered in the review use double energy conversion with minimal delays and high accuracy.
  • When choosing a Stihl stabilizer, it is necessary to take into account the number of phases, rated power, input voltage range, stabilization accuracy, type of monitoring equipment.

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