Find the right product family.

Industrial Control Transformers

Control Transformers ↗

Series: DK

Single-phase control transformers for machine control, lighting and signalling.

Models: DK-25VA · DK-50VA · DK-100VA · DK-150VA

Industrial Control Transformers

Control Transformers ↗

Series: BK

Single-phase standard control transformers for machinery and auxiliary supplies.

Models: BK-50VA · BK-100VA · BK-160VA · BK-200VA

Machine Tool Control Transformers

Machine-Tool Control Transformers ↗

Series: JBK3

50/60 Hz single-phase transformers for machinery control and lighting.

Models: JBK3-63 · JBK3-100 · JBK3-160 · JBK3-250

Machine Tool Control Transformers

Machine-Tool Control Transformers ↗

Series: JBK5

Integrated-terminal control transformers for machinery and auxiliary lighting.

Models: JBK5-63 · JBK5-100 · JBK5-160 · JBK5-250

Machine Tool Control Transformers

Machine-Tool Control Transformers ↗

Series: JBK6

Integrated-terminal control transformers for machinery and auxiliary lighting.

Models: JBK6-63 · JBK6-100 · JBK6-160 · JBK6-250

Electronic Power Transformers

Electronic Power Transformers ↗

Series: EI

Laminated EI-core power transformers with copper primary and secondary windings.

Toroidal Transformers

Toroidal Transformers ↗

Series: OD

Toroidal power and isolation transformers for electronic equipment.

Specialty Transformers

Industrial Microwave Transformers ↗

High-voltage current-stabilising leakage transformers for industrial microwave equipment.

Models: 500W · 600W · 700W · 800W

R-Core Transformers

R-Core Transformers ↗

Continuous strip-wound, ungapped R-core transformers for electronic power supplies.

Models: R-5 · R-8 · R-10 · R-20

Elevator Control Transformers

Elevator Control Transformers ↗

Series: DTZ

Integrated transformer and rectifier supplies for elevators and goods lifts.

Rated input voltage

AC220V±5%, AC380V±5%

Rated output voltage

DC110V, AC110V, AC220V

Models: DTZ-630 · DTZ-900 · DTZ-1000 · DTZ-1600

Power Conversion Transformers

Single-Phase Power Conversion Transformers ↗

Series: UDG

50/60 Hz transformers used within UPS, EPS, stabilised, variable-frequency and inverter supplies.

Input voltage

AC15V–600V

Output voltage

AC100V–600V

Welding Transformers

Resistance-Welding Transformers ↗

Series: UN / DN / FN

Low-voltage, high-current water-cooled transformers for resistance-welding equipment.

Models: UN

Autotransformers

Fixed Step-Up/Step-Down Autotransformers ↗

Series: SLD

Enclosed fixed-ratio voltage converters for equipment with mismatched supply voltages.

Safety Lighting Transformers

Portable Task-Lighting Transformers ↗

Series: JMB

50–60 Hz transformers for control circuits, safety lighting and indicator lamps.

Isolation Transformers

Neutral-to-Earth Voltage Reduction Isolation Transformers ↗

Series: DM

Electrically separated primary and secondary windings for equipment isolation and noise control.

Heating Transformers

Heating Transformers ↗

Series: JY

Isolating low-voltage, high-current supplies for resistance heating and process applications.

Input voltage

220V, 380V

Output voltage

Selected to suit heating-wire resistance

Cast Resin Dry-Type Transformers

High-Voltage Cast-Resin Transformers ↗

Epoxy-cast transformer insulation for high-voltage and high-potential applications.

Typical cured epoxy breakdown strength

35–50 kV/mm

Typical cured epoxy volume resistivity

10^13–10^16 Ω·cm

Three-Phase Industrial Transformers

Three-Phase Dry-Type Transformers for Rectifier Applications ↗

Series: SG

Configurable three-phase dry-type transformers for low-voltage supplies and rectifier equipment.

Models: SG-100VA · SG-300VA · SG-500VA · SG-1000VA

Servo and CNC Transformers

Three-Phase Servo Transformers ↗

Series: SSG

Dry-type, naturally air-cooled transformers for CNC control and power supplies.

Models: SSG-100VA · SSG-300VA · SSG-500VA · SSG-1000VA

Renewable Energy Auxiliary Transformers

Wind & Solar Auxiliary Isolation Transformers ↗

Series: SG10 / FSG

Three-phase dry-type isolation transformers for renewable-energy auxiliary systems.

Models: FSG-10-EISA-690/400 · FSG-15-EISA-690/400 · FSG-20-EISA-690/400 · FSG-30-EISA-690/400

Rectifier Transformers

Three-Phase Rectifier Transformers ↗

Series: ZSG

Three-phase dry-type transformer supplies for rectification and DC systems.

Models: ZSG-20 · ZSG-40 · ZSG-60 · ZSG-100

Motor-starting Autotransformers

Motor-Starting Autotransformers ↗

Series: QZB

Autotransformers for infrequent reduced-voltage starting of three-phase squirrel-cage induction motors, reducing the effect of starting on the supply network.

Supply frequency

50 Hz

Rated voltage

380 V

Models: QZB-14 · QZB-20 · QZB-28 · QZB-30

Integrated-magnetics Transformers

Integrated Magnetics Transformers ↗

Series: SGK

Transformer and reactor functions combined on a shared magnetic core for UPS, metro traction and related power conversion applications.

Custom capacity range

1–1000 kVA

Typical short-circuit impedance

5%–30%

Models: SGK-2

Three-phase Power Conversion Transformers

Three-Phase Power Conversion Transformers ↗

Series: USG

Power transformers for three-phase UPS, EPS, regulated power supplies, frequency-conversion power supplies, inverters and rectifiers.

Input voltage

AC 15–1140 V

Output voltage

AC 100–1140 V

Models: USG-3.5kVA · USG-4.0kVA · USG-5.5kVA · USG-6.0kVA

Automatic AC Voltage Stabilizers

Single-Phase Automatic Voltage Stabilizers ↗

Series: TND

Servo-controlled high-precision automatic AC voltage stabilizers for office, test, medical, automation and domestic equipment.

Input voltage

Single-phase 160–250 V; three-phase 277–430 V, 3-phase 4-wire

Output voltage

Single-phase 220 V and 110 V; three-phase line 380 V, phase 220 V

Models: TND-0.5 · TND-1 · TND-2 · TND-3

Automatic AC Voltage Stabilizers

Three-Phase Automatic Voltage Stabilizers ↗

Series: SVC

Three-phase servo-controlled automatic AC voltage stabilizers for industrial, commercial and institutional loads.

Input voltage

3-phase 280–430 V, 3-phase 4-wire

Output voltage

3-phase line 380 V; phase 220 V

Models: SVC-6kVA · SVC-9kVA · SVC-15kVA · SVC-20kVA

Compensated Voltage Stabilizers

High-Power Compensated Voltage Stabilizers ↗

Series: SBW

Three-phase automatic compensated power stabilizers that maintain output voltage when mains voltage or load changes.

Input line voltage

304–456 V

Output line voltage

380 V ±5%, adjustable

Models: SBW-50 · SBW-80 · SBW-100 · SBW-150

Static Voltage Stabilizers

DSP-Controlled Static Voltage Stabilizers ↗

Series: WJS

Contactless compensated AC voltage stabilization using DSP control, SCR switching and transformer compensation.

Rated capacity

10–3000 kVA

Phase arrangement

3-phase 5-wire

Precision AC Power Conditioners

Single-Phase Precision AC Power Conditioners ↗

Series: JJW

AC power conditioners using sine-wave energy-distribution voltage-regulation technology, combining voltage stabilization and mains purification. Brochure states high regulation accuracy, fast dynamic response, low distortion, broad load compatibility and strong electromagnetic-interference resistance.

Input voltage

Single-phase 185–250 V

Output voltage

Phase 220 V ±1%

Models: JJW-0.5 · JJW-1 · JJW-2 · JJW-3

Precision AC Power Conditioners

Three-Phase Precision AC Power Conditioners ↗

Series: SJJW

AC power conditioners using sine-wave energy-distribution voltage-regulation technology, combining voltage stabilization and mains purification. Brochure states high regulation accuracy, fast dynamic response, low distortion, broad load compatibility and strong electromagnetic-interference resistance.

Input voltage

Three-phase 320–430 V, 3-phase 4-wire

Output voltage

Phase 220 V ±1%

Models: SJJW-1.5 · SJJW-3 · SJJW-6 · SJJW-9

Specialty & Test Transformers

Three-Phase to Single-Phase Transformers ↗

Series: SG

Dry-type conversion transformers for dedicated single-phase industrial loads and supply balancing.

Output voltage accuracy

±1%

Voltage regulation

≤1.5%

Models: SG-5 · SG-6 · SG-10 · SG-15

Specialty & Test Transformers

Triple-Frequency Test Transformers ↗

Series: SBF

Saturated-core frequency-triplers for induced overvoltage testing, converting 50Hz to 150Hz.

Input

Three-phase 380V, 50Hz

Output range 1

50–500V (maximum 750V), 150Hz

Models: SBF-3/500 · SBF-5/500 · SBF-10/500 · SBF-15/500

Specialty & Test Transformers

Low-voltage High-current Test Transformers ↗

Dry-type current-injection transformers for current-load and temperature-rise testing.

Pre-use insulation-resistance minimum

0.5MΩ

Cleaning alcohol concentration

90%

Specialty & Test Transformers

Medium-frequency Ozone-generator Transformers ↗

Power-transfer and impedance-matching transformers for electronic ozone discharge generators.

Specialty & Test Transformers

High-power High-frequency Transformers ↗

High-frequency magnetic components for switched-mode and inverter power conversion.

Frequency threshold discussed

Above 15KHz

Core-loss comparison frequency range

15KHz–50KHz

10 kV / 20 kV Oil-Immersed Distribution Transformers

10 kV / 20 kV Oil-Immersed Distribution Transformers ↗

Series: S11 / S13 / S20 / S22

Sealed oil-immersed distribution transformers for 10 kV and 20 kV networks, with corrugated tanks and project-specific winding and tapping arrangements.

Voltage class

10 kV / 20 kV

Series designations

S13, S20, S22

Models: S11-M-315/10 · S11-M-2000/10 · S13-M-630/10 · S13-M-2500/10-NX3

10 kV / 20 kV Amorphous Alloy Oil-Immersed Transformers

10 kV / 20 kV Amorphous Alloy Oil-Immersed Transformers ↗

Series: SH, SBH15-M-2500/10

Amorphous-alloy-core, oil-immersed distribution transformers for 10 kV and 20 kV networks, designed to reduce no-load losses.

Voltage class

10 kV / 20 kV

Series designations

SH, SBH15-M-2500/10

Models: SBH15-M-2500/10

35 kV Oil-Immersed Power Transformers

35 kV Oil-Immersed Power Transformers ↗

35 kV oil-immersed power transformers for substation and industrial distribution duties. Specify voltage ratio, tapping arrangement and required load duty.

Voltage class

35 kV

Models: SZ11-2500/35

66 kV Oil-Immersed Power Transformers

66 kV Oil-Immersed Power Transformers ↗

66 kV oil-immersed power transformers with a published series capacity range of 630–63,000 kVA. Confirm the individual rating and winding configuration.

Voltage class

66 kV

Published capacity range

630–63000 kVA

110 kV Oil-Immersed Power Transformers

110 kV Oil-Immersed Power Transformers ↗

110 kV oil-immersed power transformers for high-voltage substations and grid connections. Ratings, insulation levels and cooling arrangements are selected for the project.

Voltage class

110 kV

220 kV Oil-Immersed Power Transformers

220 kV Oil-Immersed Power Transformers ↗

220 kV oil-immersed power transformers for transmission and substation applications. The approved technical schedule defines the exact power rating and winding configuration.

Voltage class

220 kV

Oil-Immersed Rectifier Transformers

Oil-Immersed Rectifier Transformers ↗

Series: ZS

ZS oil-immersed rectifier transformers for rectifier loads and industrial power conversion. Specify the rectifier circuit, secondary voltages, currents and harmonic duty.

Series designations

ZS

Single-Phase Pole-Mounted Transformers

Single-Phase Pole-Mounted Transformers ↗

Series: DH15-M.R

DH15-M.R single-phase pole-mounted transformers for overhead distribution. The catalogue also documents a separately designated D13-M-50/10 single-phase unit.

Series designations

DH15-M.R

Models: D13-M-50/10

Cast-Resin Dry-Type Transformers

10 kV Cast-Resin Dry-Type Transformers ↗

Series: SCB10 / SCB11 / SCB12 / SCB13 / SCB14 / SCB18

10 kV cast-resin dry-type transformers for indoor distribution, commercial buildings, transport facilities and industrial loads. SCB10, SCB11, SCB12, SCB13, SCB14 and SCB18 designations are documented in the brochure and report listings.

Voltage class

10 kV

Published capacity range

30–2500 kVA

Models: SCB10-400/10 · SCB10-2000/10 · SCB11-2500/10 · SCB12-2500/10

10 kV Amorphous Alloy Dry-Type Transformers

10 kV Amorphous Alloy Dry-Type Transformers ↗

Series: SCB

10 kV amorphous-alloy dry-type transformers for low-loss power distribution, using an amorphous core and a dry insulation system.

Voltage class

10 kV

Series designations

SCB

35 kV Cast-Resin Dry-Type Transformers

35 kV Cast-Resin Dry-Type Transformers ↗

Series: SC(B)

35 kV cast-resin dry-type transformers for direct conversion to 400 V distribution or 10 kV supplies. Confirm the winding arrangement, insulation design and cooling duty.

Voltage class

35 kV

Series designations

SC(B)

10 kV Cast-Resin Station-Service Transformers

10 kV Cast-Resin Station-Service Transformers ↗

10 kV cast-resin station-service transformers for integration with high-voltage switchgear. The published series designation states a capacity range of 3–200 kVA.

Voltage class

10 kV

Published capacity range

3–200 kVA

35 kV Cast-Resin Station-Service Transformers

35 kV Cast-Resin Station-Service Transformers ↗

35 kV cast-resin station-service transformers for auxiliary supplies and switchgear integration, with a published series range of 30–200 kVA.

Voltage class

35 kV

Published capacity range

30–200 kVA

Single-Phase Automatic AC Voltage Stabilizers, 0.5–5 kVA

Single-Phase Automatic AC Voltage Stabilizers, 0.5–5 kVA ↗

Series: TND

TND automatic AC voltage stabilizers in the published 0.5–5 kVA capacity group. Review input supply, output voltage and phase requirements for the selected unit.

Published capacity range

0.5–5 kVA

Series designations

TND

Single-Phase Automatic AC Voltage Stabilizers, 10–30 kVA

Single-Phase Automatic AC Voltage Stabilizers, 10–30 kVA ↗

Series: TND

TND automatic AC voltage stabilizers in the published 10–30 kVA capacity group. Confirm the voltage configuration and continuous load rating.

Published capacity range

10–30 kVA

Series designations

TND

Three-Phase AC Voltage Stabilizers, 10–150 kVA

Three-Phase AC Voltage Stabilizers, 10–150 kVA ↗

Series: SVC

SVC three-phase compensating AC voltage stabilizers in the published 10–150 kVA capacity group.

Published capacity range

10–150 kVA

Series designations

SVC

High-Power AC Voltage Stabilizers, 50–800 kVA

High-Power AC Voltage Stabilizers, 50–800 kVA ↗

Series: SBW

SBW high-power compensating AC voltage stabilizers in the published 50–800 kVA capacity group.

Published capacity range

50–800 kVA

Series designations

SBW

High-Power AC Voltage Stabilizers, 1000–2000 kVA

High-Power AC Voltage Stabilizers, 1000–2000 kVA ↗

Series: SBW

SBW high-power compensating AC voltage stabilizers in the published 1,000–2,000 kVA capacity group.

Published capacity range

1000–2000 kVA

Series designations

SBW

Solar PV main-power interface

Solar PV Inverter-Duty Step-Up Transformers ↗

Third-party product photograph · see detail page for source.

An AC-side step-up transformer connects PV inverter output to the medium-voltage collection network. Submit the inverter specification and grid requirements for an engineered configuration; auxiliary isolation transformers serve a different circuit.

Rated power

Specify transformer kVA / MVA, inverter apparent power and operating power factor

Voltage ratio

Specify inverter-side AC voltage and collection-system voltage

Battery storage power-conversion interface

BESS PCS Interface Transformers ↗

Third-party product photograph · see detail page for source.

A BESS transformer interfaces the AC side of the Power Conversion System (PCS) with the grid. Review charging and discharging duty, bidirectional power flow and converter compatibility. The battery DC circuit connects through the PCS, not directly to a conventional AC transformer.

Rated power

Specify continuous apparent power in both charging and discharging modes

AC voltages

Provide PCS AC voltage, grid voltage and permissible voltage variation

Inverter / PCS + transformer + MV equipment

Integrated PV & BESS Transformer Substations ↗

Third-party product photograph · see detail page for source.

An integrated station brings the inverter or PCS, step-up transformer and medium-voltage equipment into a coordinated package. Define the supply boundary: a transformer, a transformer substation and a complete inverter/PCS station are different scopes.

System scope

Identify whether inverter / PCS, transformer, MV switchgear and auxiliaries are included

Total rating

Define station MVA, number of converter blocks and transformer winding arrangement