SVS-L 2P Series
Servo Electronic
Voltage Stabilisers & Power Line Conditioners
Two / Split Single Phase
5 to 150 kVA
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SVS Series - Two / Split Single-Phase
Servo Electronic AC Voltage Stabilizers
5 to 150kVA
Cost efficient voltage stabilization for US style Two-Phase / Split Single-Phase Output Electricity Distribution Systems commonly found in Residential & Light Commercial Buildings.
Now remastered to meet the demands of today’s modern age, our latest generation SVS-L-2P Series offerings include as standard many advanced protection features – usually only available from others as additional expensive add-on options!
Models are offered in 13 different power ratings from 5 to 150 kVA.
To learn more about the range of Two Phase / Split Single-Phase SVS Voltage Stabilisers and Power Conditioners available from Sinalda UK, please check out the following listings, or download the brochure below:

Standard Features include:
![]() | Automatically Controlled Voltage Stabilization / Regulation | |
![]() | Servo Electronic Design – Low Maintenance | |
![]() | Wide Permissible Input Voltage Window (up to ±30%) | |
![]() | TVSS – Transient Voltage Surge & Spike Suppression Protection | |
![]() | Inbuilt High Overload Capability | |
![]() | Over and Under Voltage Protection | |
![]() | Comprehensive Digital Front Panel with – Output Voltage Metering – Output Current Metering – Status Indication | |
![]() | Automatic Restart on Mains Failure | |
![]() | Re-start Time Delay (Presettable) | |
![]() | Start-Up Load Protection | |
![]() | Class II Lightning Surge Arrestors | |
![]() | Electronic Controls Bypass Switch | |
![]() | Freestanding IP20 Indoor Enclosure | |
![]() | Hard Wire Input & Output | |
![]() | Built to comply with leading International Standards | |
![]() | Supplied with a 3 Year / 36 Months Warranty |
Optional Features available include:
![]() | Outdoor IP54 Enclosure (-IP54) Stabiliser presented in endurable IP54 (BS / EN 60529) / NEMA 3 free-standing steel cubicles suitable for external use, or more challenging internal environments |
![]() | Input Isolating Transformer (-PC) Through the integration of a shielded isolation transformer, provides enhanced spike & electrical noise (Common Mode: 120db @ 100khz & Normal Mode Noise: 60db @ 100khz) suppression and neutral ground bonding. Delivers what is commonly referred to as a ‘CLEAN’ supply |
![]() | Full Manual Maintenance Bypass (-MBS) While many Customers, following traditional wisdom, prefer to install a bypass facility that is external to the Stabilizer/Conditioner, where requested models can be fitted with an integrated traditional ‘Break Before Make’ bypass facility. This feature is handy when performing remedial works or deep maintenance on the system. |
![]() | AquaStop (-AS) PCB protective coating offering protection against damp and moisture ingress |
![]() | Digital Power Metering (-DPM) Microprocessor-based output digital power metering, with event logging – monitoring V, A, W, VAR, PF, W Hrs & VAR Hrs and the offering RS-485, Modbus RTU, Modbus ASCII, Jbus Protocol interface |
![]() | Alternative Paint Colour (-RAL) Alternative Paint Colour Finish – customer to specify |
![]() | Output Circuit Breaker (-OCB) Replacement of the Output Contactor with an Output Circuit Breaker |
![]() | UL Recognised Component (-URC) For applications where UL compliance is required, the Stabilizer / Conditioner can be supplied with UL approved Input Breakers and Output Contactors / Breakers, so that the client can obtain on-site UL approval of the installation |
SELECT | Permissible Input Voltage Window Options (–S*):
Swing Options | Nominal Voltage | Max Model Rating | |||
220V | 230V | 240V | |||
S15 | ±15% | 187 to 253V | 196 to 265V | 204 to 276V | 150 kVA |
S20 | ±20% | 176 to 264V | 184 to 276V | 192 to 288V | 80 kVA |
S25 | ±25% | 165 to 275V | 173 to 288V | 180 to 300V | 60 kVA |
S30 | ±30% | 154 to 286V | 161 to 299V | 168 to 312V | 40 kVA |
SELECT | Required Power Rating:
Power Rating (kVA) | Max Rating (Amps per Phase) | SVS-L-2P-S* Model No (S*=Select Swing Option Required) | ||
220/110V | 230/115V | 240/120V | ||
5 kVA | 22.7A / 2 x 22.7A | 21.7A / 2 x 21.7A | 20.8A / 2 x 20.8A | SVS-5L-2P-S15~S30 |
10 kVA | 45.5A / 2 x 45.5A | 43.5A / 2 x 43.5A | 41.7A / 2 x 41.7A | SVS-10L-2P-S15~S30 |
15 kVA | 68A / 2 x 68A | 65A / 2 x 65A | 62A / 2 x 62A | SVS-15L-2P-S15~S30 |
20 kVA | 90A / 2 x 90A | 87A / 2 x 87A | 83A / 2 x 83A | SVS-20L-2P-S15~S30 |
30 kVA | 136A / 2 x 136A | 130A / 2 x 130A | 125A / 2 x 125A | SVS-30L-2P-S15~S30 |
40 kVA | 181A / 2 x 181A | 173A / 2 x 173A | 166A / 2 x 166A | SVS-40L-2P-S15~S30 |
50 kVA | 227A / 2 x 227A | 217A / 2 x 217A | 208A / 2 x 208A | SVS-50L-2P-S15~S25 |
60 kVA | 272A / 2 x 272A | 260A / 2 x 260A | 250A / 2 x 250A | SVS-60L-2P-S15~S25 |
75 kVA | 340A / 2 x 340A | 326A / 2 x 326A | 312A / 2 x 312A | SVS-75L-2P-S15~S20 |
80 kVA | 363A / 2 x 363A | 347A / 2 x 347A | 333A / 2 x 333A | SVS-80L-2P-S15~S20 |
100 kVA | 454A / 2 x 454A | 434A / 2 x 434A | 416A / 2 x 416A | SVS-100L-2P-S15 |
120 kVA | 545A / 2 x 545A | 521A / 2 x 521A | 500A / 2 x 500A | SVS-120L-2P-S15 |
150 kVA | 681A / 2 x 681A | 652A / 2 x 652A | 625A / 2 x 625A | SVS-150L-2P-S15 |
Note: All SVS-L-2P-S15~S30 Stabilisers are designed to support the full load at minimum input volts and maximum ambient temperature.
General Technical Specification
General: | ||
– Design Topology: | Servo Electronic – Variable Transformer controlled | |
– Phase: | Two-Phase, 2 Wire (2P+G/E) | |
– Power Ratings: | 11 Model Ratings- 5kVA, 10kVA, 15kVA, 20kVA, 30kVA, 40kVA, 50kVA, 60kVA, 75kVA, 80kVA & 100kVA | |
– Frequency: | 50 / 60Hz (47 to 63Hz) | |
– Power Factor: | The Power Factor has no effect on performance providing the stabilizer is being used within its rated capacity | |
Input: | ||
– Nominal Voltage: | 220V -230V – 240V, Two-Phase, 2 Wire | |
– Input Voltage Window Options (S*): | S15 | Nominal Voltage ±15% (up to 100KVA) |
S20 | Nominal Voltage ±20% (up to 80KVA) | |
S25 | Nominal Voltage ±25% (up to 60KVA) | |
S30 | Nominal Voltage ±30% (up to 40KVA) | |
Output: | ||
– Voltage: | 220/110V -230/115V – 240/120V, Single Phase, 3 Wire (Customer to Specify) | |
– Voltage Accuracy: | ±1% (Default) – adjustable ±1% to ±5% | |
– Correction Time: | Typically a 10% supply variation will be corrected to within 2.5% in 0.6 seconds | |
– Efficiency: | ≥98% | |
– Overload Ratings: | 150% max. current rating for 10 seconds | |
Display Panel – Metering, Alerts & Communication: | ||
– Front Display Panel: | Digital Metering: | Output Volts, and Load |
Status Indication: | On, Output Over and Under Volts & Output Normal & SPD Fault | |
Protection Features: | ||
– Surge Protection: | TVSS – Protects loads against high-energy Spikes and Transient Voltages | |
– Lightning Surge Protection: | Class II SPD – protection against extremely high voltage surges and transients caused by lightning strikes on the utility mains supply line | |
– Input Breaker: | Standard on all models – delivers over current input protection | |
– Bypass: | Inbuilt Bypass Switch enabling the bypassing of the electronic controls circuitry to provide power direct to the load | |
– Output Isolation: | Automatic disconnection of the load in the event of a fault condition is detected | |
Environmental: | ||
– Operating Temperature Range: | -15°C to +45°C Derate by 2% for each additional °C up to max 60°C | |
– Maximum Altitude: | 1000 meters (derate by 2.5% per additional 500 meters) | |
– Relative Humidity: | Suitable for indoor tropical use – 0 to 95% (non-condensing) | |
– Harmonic Distortion: | None introduced | |
– Audible Noise: | @ 1 meter 50 to 65 dBA (dependent on model rating) | |
Physical: | ||
– Power Connections: | Hardwire Input & Output | |
– Construction: | Enclosures to IP20 / NEMA 1 Style – BS EN 60529 (Option – Outdoor IP54/NEMA 3 Style) | |
– Paint Colour: | RAL 7032 (Pebble Grey – Epoxy Powder Coating) – Other paint colours on specific request | |
– Dimensions & Weights: | Dependent on model rating and configuration Sizes and weights available on individual request | |
Certification & Conformance: | ||
– EMC Conformance: | BS EN 55022 and relevant parts of BS EN 61000 | |
– CE Certification: | CE Marked – 2014/30/EU (The EMC Directive) and 2014/35/EU (The Low Voltage Directive) | |
– Warranty: | 3 Years / 36 Months from date of supply | |
Optional Add-Ons: | ||
– Outdoor IP54 Enclosure (-IP54) | Stabiliser presented in endurable IP54 (BS / EN 60529) / NEMA 3 free-standing steel cubicles suitable for external use, or more challenging internal environments | |
– Input Isolating Transformer (-PC) | Through the integration of a shielded isolation transformer, provides enhanced spike & electrical noise (Common Mode: 120db @ 100khz & Normal Mode Noise: 60db @ 100khz) suppression and neutral ground bonding. Delivers what is commonly referred to as a ‘CLEAN’ supply | |
– Full Manual Maintenance Bypass (-MBS) | An integrated/inbuilt traditional ‘Break Before Make’ bypass facility. Handy when performing remedial works, or deep maintenance on the system. | |
– AquaStop (-AS) | PCB protective coating offering protection against damp and moisture ingress | |
– Digital Power Metering (-DPM) | Output Digital Power Metering for monitoring V, A, W, VAR, PF, W Hrs & VAR Hrs and offering RS-485 interface and event logging | |
– Alternative Paint Colour (-RAL) | Alternative Paint Colour Finish – customer to specify | |
– Output Circuit Breaker (-OCB) | Replacement of the Output Contactor with an Output Circuit Breaker | |
– UL Recognised Components (-URC) | For applications where UL compliance is required, the Stabilizer / Conditioner can be supplied with UL approved Input Breakers and Output Contactors / Breakers, so that the client can obtain on-site UL approval of the installation |
Note:
All SVS Stabilisers are designed to support the full load at minimum input volts and maximum ambient temperature.
Sales & Support
![]() | Data Sheet – L Series [220/110V, 230/115V, or 240/120V Models] |
![]() | Guide Specification |
![]() | Operator / User Manual Please contact us to request a copy of the Manual |
CE Certification
SVS Series Split-Single Phase Servo Electronic AC Voltage Stabilisers / Conditioners comply with the relevant European Union (EU) health, safety and environmental protection directives and regulations and are duly CE marked.
Sinalda Declaration
EMC Directive – 2014/30/EU – in force from April 2016 Low Voltage Directive – 2014/35/EU – in force from April 2016 |
Independent 3rd party verification certificate
EMC Directive – 2014/30/EU – in force from April 2016 |
If you do not find the Voltage Stabiliser or Power Line Conditioner that meets your application’s exact needs, please contact us with your specific detailed requirements.