OverviewThree-phase electromechanical voltage stabilizer with power range 60–4000 kVA. Effective solution to prevent issues caused by input voltage instability. ELECTROMECHANICAL VOLTAGE STABILIZERS.
Main features- Frequency: 50Hz ±5% or 60Hz ±5%
- Phase-independent energy parameter adjustment
- Selectable target voltage: 210–255V (L-N) / 360–440V (L-L)
- Output voltage accuracy: ±0.5%
- Allowable load variation: up to 100%
- Allowable load imbalance: 100%
- Cooling: natural ventilation (fan-assisted above 35°C)
- Operating temperature: -25°C to +45°C; storage: -25°C to +60°C
- Maximum relative humidity: <95% (no condensation)
- Allowable overload: 200% for 2 minutes
- Harmonic distortion: not introduced
- Colour: RAL 7035
- Installation: indoor
Instrumentation- 10" multilingual touchscreen, remote access via VNC
- Reactive power controllers
Surge protection- Class I surge arrester on input
- Class II surge arrester on output
- Optimal voltage return system using supercapacitors in case of power loss
Bypass kit and protections- Automatic circuit breaker on input
- By-pass switch with interlocked automatic circuit breaker
- Motorized interlocked automatic circuit breaker on output with under/overvoltage, overload, phase loss and phase sequence protections
Automatic power factor correction system- Based on three-phase metallized polypropylene capacitors, Un = 525V
- Three-phase blocking reactance (≈180Hz)
Available variants — Sirius advance ±20% / ±15%Type | Rated power (kVA) | Max input current (A) | Rated output current (A)
100-20 | 100 | 180 | 144
125-15 | 125 | 212 | 180
125-20 | 125 | 226 | 180
160-15 | 160 | 272 | 231
160-20 | 160 | 289 | 231
200-15 | 200 | 340 | 289
200-20 | 200 | 361 | 289
250-15 | 250 | 425 | 361
250-20 | 250 | 451 | 361
320-15 | 320 | 543 | 462
320-20 | 320 | 577 | 462
400-15 | 400 | 679 | 577
400-20 | 400 | 722 | 577
500-15 | 500 | 849 | 722
500-20 | 500 | 902 | 722
630-15 | 630 | 1070 | 909
630-20 | 630 | 1137 | 909
800-15 | 800 | 1359 | 1155
800-20 | 800 | 1443 | 1155
1000-15 | 1000 | 1698 | 1443
1000-20 | 1000 | 1804 | 1443
1250-15 | 1250 | 2123 | 1804
1250-20 | 1250 | 2255 | 1804
1600-15 | 1600 | 2717 | 2309
1600-20 | 1600 | 2887 | 2309
2000-15 | 2000 | 3396 | 2887
2000-20 | 2000 | 3609 | 2887
2500-15 | 2500 | 4245 | 3609
2500-20 | 2500 | 4511 | 3609
3200-15 | 3200 | 5434 | 4619
3200-20 | 3200 | 5774 | 4619
4000-15 | 4000 | 6793 | 5774
Available variants — Sirius advance ±30% / ±25%Type | Rated power (kVA) | Max input current (A) | Rated output current (A)
60-30 | 60 | 124 | 87
80-25 | 80 | 154 | 115
80-30 | 80 | 165 | 115
100-25 | 100 | 192 | 144
100-30 | 100 | 206 | 144
125-25 | 125 | 241 | 180
125-30 | 125 | 258 | 180
160-25 | 160 | 308 | 231
160-30 | 160 | 330 | 231
200-25 | 200 | 385 | 289
200-30 | 200 | 412 | 289
250-25 | 250 | 481 | 361
250-30 | 250 | 516 | 361
320-25 | 320 | 616 | 462
320-30 | 320 | 660 | 462
400-25 | 400 | 770 | 577
400-30 | 400 | 825 | 577
500-25 | 500 | 962 | 722
500-30 | 500 | 1031 | 722
630-25 | 630 | 1212 | 909
630-30 | 630 | 1299 | 909
800-25 | 800 | 1540 | 1155
800-30 | 800 | 1650 | 1155
1000-25 | 1000 | 1925 | 1443
1000-30 | 1000 | 2062 | 1443
1250-25 | 1250 | 2406 | 1804
1250-30 | 1250 | 2578 | 1804
1600-25 | 1600 | 3079 | 2309
1600-30 | 1600 | 3299 | 2309
2000-25 | 2000 | 3849 | 2887
2000-30 | 2000 | 4124 | 2887
2500-25 | 2500 | 4811 | 3609
Technical specifications- Frequency: 50Hz ±5% or 60Hz ±5%
- Selectable target voltage: 210–255V (L-N) / 360–440V (L-L)
- Output accuracy: ±0.5%
- Allowable load variation: up to 100%
- Allowable overload: 200% for 2 minutes
- Operating temperature: -25°C to +45°C; storage: -25°C to +60°C
- Humidity: <95% without condensation
- Cooling: natural ventilation (fans above 35°C)
- Communication: Ethernet / USB / MODBUS / Ortea XCloud
- Instrumentation: 10" touchscreen, reactive power controllers
- Surge protection: class I (input) and class II (output), supercapacitor voltage recovery
RemarksThe tables above list all available power/current variants for the ±20%/±15% and ±30%/±25% ranges. A technical datasheet is available for each variant.