Dry auto-transformers

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Dry auto-transformers | Choosing the Right Transformer
There are two types of transformer configurations: Dry transformers Immersed or oil-filled transformers Dry transformers These transformers are composed of coils wrapped in an epoxy resin without intermediate liquid, which allows them to withstand thermal shocks well. The presence of epoxy resin prevents dielectric leakage and the risk of fire or explosion. The coating allows them to be resistant to external agents such as dust and humidity.  ...
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electrical power supply auto-transformer
electrical power supply auto-transformer
D0G series

Electric power: 13 kVA
Primary voltage: 140, 260 V

Characteristics: Type:Autotransformer Designed for: strict waterproof requirement Type of phase:single-phase Capacity: 5-50KVA Rated voltage:140V/260V Insulation:F/H Operating frequency:47.5-52.5Hz Protection grade: IP67 Connection: ...

power auto-transformer
power auto-transformer
AUTFX series

Output power kVA: 1 kVA - 1,000 kVA
Primary voltage: 800 V
Secondary voltage: 400 V

Dry type autotransformer. All autotransformers are tropicalized with anti-flash varnish: • Protection against corrosive environments. • Greater electrical insulation. • High compaction power. • Noise level reduction. • ...

power auto-transformer
power auto-transformer
AUTNX series

Output power kVA: 1 kVA - 400 kVA
Primary voltage: 400 V
Frequency: 50, 60 Hz

Dry type autotransformer Anti-flash varnish finish, offering: • Protection against corrosive environments • Increase of electrical isolation • High compression capacity • Reduction of noise level • Increase of ...

power auto-transformer
power auto-transformer
PAU series

Output power kVA: 0.1 kVA - 12.5 kVA
Primary voltage: 400 V
Secondary voltage: 230 V

Dry type transformer IP-20 enclosure: Safety class I, convertible in class II up to 6300 VA Includes LED functioning indicator Optional protection fuse Possibility of tailor-made manufacturing

current auto-transformer
current auto-transformer
RA1F250.100

Primary voltage: 230 V
Secondary voltage: 0 V - 230 V
Primary current: 10 A

... -phase variable autotransformers are designed to power AC electrical equipment. Robust metal construction, high-quality transformer and linear voltage regulation are used in all areas of electrical engineering. Analog ...

power auto-transformer
power auto-transformer
TE / TD

Transformers for switch cabinet installation TE / TD Auto-transformers (according to VDE 0550) for single-phase AC or three-phase current with 5 taps, mounting pads and connection terminals. ...

power auto-transformer
power auto-transformer
VT-EN series

Electric power: 0.15 kVA - 3 kVA
Primary voltage: 110, 125, 230, 240 V
Secondary voltage: 110, 125, 230, 240 V

... ambient temperature 40 °C Degree of protection IP 00 Advantages Low weight and small size (compared to isolating transformers) Very high efficiency Very good moisture protection and low noise thanks ...

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Block Transformatoren-Elektronik
power auto-transformer
power auto-transformer
TR 24 series

Single-phase reversible autotransformers, especially intended for use as a voltage adapter when an economical solution is required in applications where the galvanic isolation or attenuation of disturbances are not required. On request ...

dry auto-transformer
dry auto-transformer

Primary voltage: 0.5 V - 1,000 V
Secondary voltage: 0.5 V - 1,000 V

... It is possible to add cut-off fuses or even auto resettable thermal protectors that act if windings overheat and if the transformer temperature drops. After that it works again automatically. - Transformers ...

isolation auto-transformer
isolation auto-transformer
ARM series

Primary voltage: 230 V
Secondary voltage: 230, 180, 155, 135, 115 V
Secondary current: 1.5 A - 14 A

ARM - TRANSFORMERS FOR SPEED CONTROLLER Autotransformer fan speed controllers serve the purpose of airflow control. Designed for installation in ventilation and heating systems. The transformers are ...

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BREVE-Tufvassons
current auto-transformer
current auto-transformer
SUNTEK

Electric power: 500 W
Output power kVA: 0.5 kVA
Primary voltage: 0 V - 250 V

Automatically transformers (variac transformers) are used to smoothly adjust the AC voltage in various works related to electrical engineering. They are most often used to change the voltage in household ...

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Electrosheriff
electrical power supply auto-transformer
electrical power supply auto-transformer
LFA series

Output power kVA: 0.07 kVA - 1.7 kVA
Primary voltage: 115, 230 V
Secondary voltage: 230, 115 V

... propagated through the transformer, resulting in a considerable risk to safety. The use of autotransformers is therefore not permitted in ships and medical installations. Custom designed models on request. Applications: Portable ...

isolation auto-transformer
isolation auto-transformer
20 series

Electric power: 72, 490 W
Output power kVA: 0.16 kVA - 24 kVA
Primary voltage: 400 V

... tap. Unlike isolating transformers, these products do not have galvanic separation between the primary and secondary windings. Therefore, they do not provide isolation. However, they are a cheaper solution than isolating ...

power auto-transformer
power auto-transformer

Electric power: 0 W - 5,000,000 W

Technical features Power : Up to 5000 kVA Frequency : 50-60 Hz Isolators : Class F or H Winding : Class HC-200ºC Protection degree : IP-00 to IP-65 Nema 1 to Nema 4X Environment Temperature : 40ºC Standards : UNE-EN 61558-2-1 UNE ...

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EREMU
power auto-transformer
power auto-transformer
TAB 200

Electric power: 200 W
Primary voltage: 110, 130, 230, 240 V
Secondary voltage: 110, 130, 230, 240 V

Single-phase autotransformer - IP00 - U 0-110-130-230-240V - Power 200VA Electrical Characteristics Power (VA): 200 Primary Voltage (Vac): 0-110-130-230-240 Secondary Voltage (Vac): 0-110-130-230-240 Frequency (Hz): 50-60 Efficiency ...

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EREA Transformers
electrical power supply auto-transformer
electrical power supply auto-transformer

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Martignoni Elettrotecnica
distribution auto-transformer
distribution auto-transformer
T2530 series

Electric power: 1 kVA - 15 kVA
Primary voltage: 240 V
Secondary voltage: 120, 240 V

Auto-Transformers 240 Primary Volts - 120/240 Secondary Volts - 1Ø, 60Hz

power auto-transformer
power auto-transformer
DTSP

Electric power: 0.1 kVA - 10 kVA
Primary voltage: 50 V - 1,000 V
Secondary voltage: 12 V - 1,000 V

... point: 10% of nominal current For versions with increased climate resistance, the transformer is supplied with a specially insulated finish. The finish allows the transformer to be used in areas of high humidity.

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Trafomodern Transformatorengesellschaft
distribution auto-transformer
distribution auto-transformer

Primary voltage: 120 kV - 500 kV

... voltages, large auto-transformers are used to interconnect the 400kV-500kV systems with either the 230kV-275kV systems or 120kV-145kV systems (the exact values depend on the country being considered). ...

dry auto-transformer
dry auto-transformer

Secondary voltage: 115 V - 400 V

• Compliant with standard EN 61558-2-13 a• Can be reversed • Protection rating IP00 • Electrical protection rating I • Thermal insulation class B • Fixing brackets compliant with DIN standards • Connection terminals IP 20

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ced
cast resin auto-transformer
cast resin auto-transformer
XJ01 series

Electric power: 0 W - 400 W
Primary voltage: 380 V

XJ01 series Autotransformer start box is applicable for Three-phase squirrel-cage induction of AC50Hz,rated operational voltage380V,capacity up to 400kW as voltage reducing and motor unfrequency starting. It also applied to industry motor ...

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PEOPLE ELE. APPLIANCE GROUP CO., LTD.
power auto-transformer
power auto-transformer
IT

Electric power: 1,000 W - 300,000 W
Primary voltage: 100 V - 750 V
Secondary voltage: 100 V - 750 V

Simple concepts, effective solutions SALICRU has been designing and manufacturing low voltage electrical transformers and autotransformers for more than 50 years, for use as IT series standalone solutions, or integrated ...

regulating auto-transformer
regulating auto-transformer
ARC

Electric power: 1,250 W - 22,000 W
Primary voltage: 230 V
Secondary voltage: 0 V - 250 V

Continuous regulation self-transformers Leaders in continuous regulation of alternating voltage Salicru offers the ARC as a cheaper, safe, stronger means of having regulable alternating voltage with high precision, ...

current auto-transformer
current auto-transformer
NT40

Output power kVA: 40 kVA
Primary voltage: 500, 480, 440 V
Secondary voltage: 400 V

The AC autotransformer NT 40 serves to connect plasma cutting units (x V) with a nominal capacity of up to kVA and a duty cycle of 100% to mains voltages from x V to x V. Nominal input voltages - Nominal output voltages - Dimensions ...

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