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EST - autotransformers

VSTW - Series autotransformers, IP20

Type: VSTW

Series autotransformers

single - phase autotransformer according to DIN/VDE 0550
to operate devices of 110/115V-connected to a supply  
system to 220/230V or devices of 220(230V connected to
a supply system of 110/115V
with sheet-steel enclosure for fixed installation
without contact separation from the supply system
version A:  
PRI - voltage: 220/230V
SEC - voltage: 110/115V- US-socket
version B:
PRI - voltage: 110/115V
SEC - voltage: 220/230V- socket with earthing contact
frequency: 50/60 Hz
insulation class: T40/B  
type of protection: IP20  
the devices are also available with other version
corresponding to your wishes

data sheet VSTW - Series autotransformers, IP20

technical data

 

ESTK - autotransformers, with screw terminals

Type: ESTK

Single - phase autotransformers 

single - phase autotransformers according to DIN/VDE 0550
without contact separation from the supply system
low voltage drop, high efficiency
type of protection: IP00 (suitable for installation up to IP23)
the screw terminals are protected against accidental contact
safety earth connection at the iron core
PRI - voltage: lock at the table
SEC - voltage: 230 V
frequency: 50/60 Hz
insulation class: T40/B  
impregnated against rust by resin
the transformer rare also available with other voltages
corresponding to your wishes

data sheet ESTK - Spar - Transformator, mit Schraubklemme

technical data

ESTS - Single - phase autotransformers - faston connection

Type: ESTS

Single - phase autotransformers

single - phase autotransformer according to DIN/VDE 0550
without contact separation from the supply systems
low voltage drop, high efficiency
type of protection IP00(suitable for installation up to IP23)
compact version, low overall height
low - priced version due to an advantageous construction
faston connection 6,3 x 0,8
safety earth connection at the iron core
PRI - voltage: see table
SEC - voltage: 230 V
frequency: 50/60Hz
insulation class: T40/B
impregnated against rust by resin
the transformer are also available with other  voltages
corresponding to your wishes

data sheet - Einphase - Spartransformator - Steckanschluß

technical data

ESTV - Single - phase autotransformers - totally isolated

Type: ESTV

Single - phase autotransformers

single - phase autotransformers according to DIN/VDE 0550
without contact separation from the supply system
low voltage drop, high efficiency
excellent protection against moisture by means of a plastic
enclosure and a resin - encapsulated transformer  
the screw terminals are protected against accidental contact
compact version, the fixing holes are easily accessible
type of protection: enclosure IP65
                          terminal IP20
PRI - voltage: see table
SEC - voltage: 230 V
frequency: 50/60 Hz
insulation class: T40/B  
the transformers are also available with other voltage
corresponding to your wishes

data sheet ESTV - Einphasen - Spartransformator - Vergossen

technical data

VSTT- Series autotransformers portable

Type: VSTT

Series autotransformers

single - phase autotransformer according to DIN/VDE 0550
to operate devices of 110/115V-connected to a supply  
system to 220/230V or devices of 220(230V connected to
a supply system of 110/115V
portable enclosure with handle / up to 800VA plastic
enclosure/from 1000VA sheet-steel enclosure  
without contact separation from the supply system

version A:  
PRI-voltage: 220/230V-earthing-pin plug
SEC-voltage: 110/115V- US-socket
version B:
PRI-voltage: 110/115V-US-plug
SEC-voltage: 220/230V- socket with earthing contact

frequency: 50/60 Hz
insulation class: T40/B  
type of protection: IP20  
the devices are also available with other version
corresponding to your wishes

data sheet VSTT - Vorschalt - Spar - Transformator - tragbar

technical data

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