Most of our voltage stabiliser systems are built to order, we do however have a number of systems available from stock as detailed below.

Systems are also available for hire, please contact us for more information.

Items in green are available on a quick assembly turnaround.

Claude Lyons Part Number 993373-1
Claude Lyons Model Reference TS-3 S10 Mk4
Input Tap A -17.5% to +7.5%
Input Tap B ± 12.5%
Input Tap C -7.5% to +17.5%
Output 200 – 250V (Adjustable) @ 32A Maximum
Output Stability ±0.32%, ±0.55% ,±0.9%, ±1.6%, (Selectable)

Claude Lyons Part Number 993392
Claude Lyons Model Reference TS-3.5 S10 Mk5
Input Tap A -17.5% to +7.5% Maximum Output Current 57A
Input Tap B ± 12.5% Maximum Output Current 60A
Input Tap C -7.5% to +17.5% Maximum Output Current 63A
Output 200 – 250V (Adjustable)
Output Stability ±0.32%, ±0.55% ,±0.9%, ±1.6%, (Selectable)

Claude Lyons Part Number LI-TS-3LX (110V)
Claude Lyons Model Reference TS-3 S12 Mk5
Input Tap A -21% to +9% Maximum Output Current 46A
Input Tap B ± 15% Maximum Output Current 49A
Input Tap C -9% to +21% Maximum Output Current 53A
Output 100 – 125V (Adjustable)
Output Stability ±0.32%, ±0.55% ,±0.9%, ±1.6%, (Selectable)

Claude Lyons Part Number 993162 (LI-TS-2.5-R25)
Claude Lyons Model Reference TS-2.5 S10 Mk5
Input Tap A -17.5% to +7.5% Maximum Output Current 15A
Input Tap B ± 12.5% Maximum Output Current 16A
Input Tap C -7.5% to +17.5% Maximum Output Current 17A
Output 200 – 250V (Adjustable)
Output Stability ±0.32%, ±0.55% ,±0.9%, ±1.6%, (Selectable)

Claude Lyons Part Number 993380 (LI-TS-3LR-R25-S01)
Claude Lyons Model Reference TS-3LR S10 Mk4 (115V)
Input Tap A -17.5% to +7.5% Maximum Output Current 57A
Input Tap B ± 12.5% Maximum Output Current 60A
Input Tap C -7.5% to +17.5% Maximum Output Current 64A
Output 100 – 125V (Adjustable)
Output Stability ±0.32%, ±0.55% ,±0.9%, ±1.6%, (Selectable)
Includes Safe Start

Claude Lyons Part Number 993162
Claude Lyons Model Reference 993162TS-3 S10 Mk4
Input Tap A -17.5% to +7.5%
Input Tap B ± 12.5%
Input Tap C -7.5% to +17.5%
Output 200 – 250V (Adjustable) @ 32A Maximum
Output Stability ±0.32%, ±0.55% ,±0.9%, ±1.6%, (Selectable)
Includes Input / Output MCB, Input / Output Power Meters, Additional Surge Protection.

Claude Lyons Part Number 994653
Claude Lyons Model Reference MS-1.5
Input -20% to +10% Maximum Output Current 1.5A
Output 200 -240V (Adjustable)
Output Stability ±1.6%

Claude Lyons Part Number 994652
Claude Lyons Model Reference MS-3
Input -20% to +10% Maximum Output Current 3A
Output 200 -240V (Adjustable)
Output Stability ±1.6%

Claude Lyons Part Number 994654
Claude Lyons Model Reference MS-10
Input -20% to +10% Maximum Output Current 10A
Output 200 -240V (Adjustable)
Output Stability ±1.6%

Claude Lyons Part Number 998183
Claude Lyons Model Reference ESS-A-3-200 Mk4
Voltage Reduction Up to 12.5%
Output Voltage Site Adjustable 346V to 415V (factory set @ 380V)
Rating Maximum Output Current 200A per phase
Output Stability ±0.32%, ±0.55% ,±0.9%, ±1.6%, (Selectable)

Claude Lyons Part Number 9984727
Claude Lyons Model Reference MSB152B-3 Mk4 (R8000AC-2)
Input Voltage Range ± 15%
Output Voltage Site Adjustable 380V to 415V @ 152A Maximum
Rating 100 kVA (380V)
Output Stability ±0.32%, ±0.55% ,±0.9%, ±1.6%, (Selectable)

Claude Lyons Part Number 993379 (LI-TS-3.5×3-R25-S03)
Claude Lyons Model Reference TS-3.5/3 S10 MK 4
Input Tap A -17.5% to +7.5% Maximum Output Current 57A
Input Tap B ± 12.5% Maximum Output Current 60A
Input Tap C -7.5% to +17.5% Maximum Output Current 63A
Output 346-440V (Adjustable)
Output Stability ±0.32%, ±0.55% ,±0.9%, ±1.6%, (Selectable)
Includes Safe Start, I/P & O/P Glands

Claude Lyons Part Number LI-TS-3.5Lx3-R30-S17
Claude Lyons Model Reference TS-3.5/3LX ‘S’ (208V)
Input Tap A -21% to +9% Maximum Output Current 63A
Input Tap B ± 15% Maximum Output Current 65A
Input Tap C -9% to +21% Maximum Output Current 72A
Output 173 – 220V (Adjustable)
Output Stability ±0.32%, ±0.55% ,±0.9%, ±1.6%, (Selectable)
Includes Output Fuses, Safe Start Option, Voltage Reading and Adjustment User Interface

All systems listed (unless otherwise stated) are designed and manufactured in the UK.

We hold stock of Claude Lyons Regavolt and Portavolt systems, visit Lyons Instruments for further information.