Electrical measuring instruments >> transformers laboratory (AOMN, AOSN, ATMN, ATSN, LATR, I5..., UTT- and others) >> autotransformers (AOMN, AOSN, ATMN, ATSN, LATR, RNO, RNT)
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Made in: 2017
Autotransformer ATMN-32-220-75UHL4 (ATMN 32-220-75UHL4, ATMN32-220-75UHL4) Designed for variable voltage AC power frequency 50 Hz.
H Nominal primary voltage of 220V
P thinned secondary voltage regulation at idle 1 +5-220-2 Rated load current 32A
Number of phases 3 Autotransformer ATMN-32-220-75UHL4 designed for variable voltage AC power frequency of 50 Hz. Autotransformers ATMN-32-220-75UHL4 used in all kinds of electrical work in laboratories, for example, to power-up transformers, the test fuses, relays regulation , Automatic, current limiters, etc., as well as for production purposes - controlling the temperature in muffle furnaces and thermostats, and other applications requiring voltage regulation.
Auto-ATMN-32-220-75UHL4 are designed to work in environments UHL and category 4 in accordance with GOST 15150-69, at an altitude of 1000 m above sea level, the environment explosive, not containing conductive dust, corrosive gases and vapors in concentrations destroy metal and insulation. Autotransformer ATMN-32-220-75UHL4, top view
  Autotransformer ATMN-32-220-75UHL4, side view   Autotransformer ATMN-32-220-75UHL4 bottom view  Symbol structure type autotransformer is interpreted as follows; A - Autotransformer
T - Three-phase
M - Oil-cooling H - C-load voltage regulation
32 - Nominal load current, A
220 - Nominal primary voltage, V
75 - year production begins
NF4 - Climatic version and category according to GOST 15150-69
Technical characteristics
For auto-transformer ATMN-32-220-75UHL4:
* The upper limit of the maximum stress is not limited.
Level A relates to transformers made of electrical steel with specific losses less than 0.9 W / kg. Level B - no more than 1.1 W / kg. Photos ATMN-32-220-75UHL4
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