

T-Mux (SAKO) Automatic Voltage Regulators – TNS & SBW Series
TNS Engineering Ltd is the authorised partner in Bangladesh for T-Mux (SAKO), a brand of automatic voltage regulators, voltage stabilizers and power stabilization equipment made by Zhejiang Sanke New Energy Co., Ltd. We import, supply wholesale and for projects, install and support T-Mux (SAKO) stabilizers nationwide, for homes, offices, hospitals and heavy industry.
About SAKO / T-Mux
T-Mux, also known as SAKO, covers both single-phase and three-phase regulation, in servo-motor and relay types. Depending on the model, units offer wide input ranges, automatic output regulation, over/under-voltage protection, short-circuit and overload protection, and digital or analogue metering.
Single-phase SVC series (500VA–50kVA)
SVC-500VA, 1000VA, 1500VA, 2000, 3000, 5000VA, 7500VA, 10kVA, 15kVA, 20kVA, 30kVA, 40kVA and 50kVA, for homes, clinics, shops and small workshops.
TNS series: three-phase 4.5–100kVA
Three-phase AVRs with independent phase regulation and high imbalance tolerance. They support three-phase and single-phase loads, and a neutral connection is required. Models: 4.5, 7.5, 10, 15, 20, 30, 40, 60, 75 and 100kVA. Example, TNS-20KVA: input 280–430V (160–250V optional), output 380/220V ±3% adjustable, efficiency > 95%, overload 150% for 2 minutes, 87.5 kg.
SBW series (100–1000kVA) & SBW-F series (180–2000kVA)
For full-factory and main-distribution stabilization. SBW units use individual phase control with stepless servo-motor regulation on three-phase (3P+N) supplies. Example, SBW-500KVA: input AC 304–456V, output AC 380V ±3%, 50Hz, efficiency > 95%, protection by MCB/MCCB/ACB, natural air cooling, about 1000 kg. Other SBW sizes include 400kVA and 1000kVA. For other SBW and SBW-F capacities, contact our engineers.
Servo vs relay
Servo-motor stabilizers adjust voltage steplessly, with no clicking or step jumps, which makes them the right choice for CNC machines, medical imaging and production lines. Relay-type regulators switch in steps and suit smaller, less sensitive single-phase loads. Not sure which you need? Our engineers will assess your voltage and capacity.
What TNS provides
Genuine T-Mux (SAKO) products · wholesale and commercial supply · corporate and industrial project supply · technical consultation and product selection · voltage and capacity assessment · installation and commissioning · warranty coordination · after-sales service, nationwide. → All voltage stabilizers · Factory power backup
FAQ
Who makes T-Mux (SAKO) stabilizers? Zhejiang Sanke New Energy Co., Ltd. TNS Engineering Ltd is the authorised partner in Bangladesh.
What is the difference between the TNS series and the SBW series? The TNS series covers three-phase AVRs from 4.5kVA to 100kVA. The SBW series starts at 100kVA and goes up to 1000kVA, and the SBW-F series runs to 2000kVA, for main factory distribution.
Do you have single-phase T-Mux stabilizers? Yes. The SVC series runs from 500VA to 50kVA.
What warranty do T-Mux (SAKO) units have? TNS products normally carry a 1-year warranty. Units bought through resellers are not covered by a TNS warranty.
Can TNS install and commission the stabilizer? Yes. We handle the site voltage assessment, installation and commissioning, and after-sales support across Bangladesh.
Need a T-Mux (SAKO) quotation or a capacity check? Request a quote Hotline 01613215054 · 24/7 emergency +8801713215065 · Landline +8802-224405145