Transformer OSM1-0.25U3 220/130
OCM1-0.25 & nbsp; - single-phase dry multipurpose (main technical data and characteristics in the tables & nbsp; highlighted in color & nbsp; and & nbsp; font )
OCM1 series transformers & nbsp; power & nbsp; 0.063 - 4.0 kV & bull; A & nbsp; voltage of the primary winding from 115 to 660 V, secondary windings from 12 to 260 V are intended for power supply of control circuits, local lighting, signaling and automation .
Transformers meet the requirements of GOST 19294-84.
Types of climatic modification & ndash; & nbsp; U3, UHL3 & nbsp; and & nbsp; T3 & nbsp; according to GOST 15150 -69.
Transformers are resistant to shock loads with acceleration up to
Transformers according to the installation conditions at the place of work & ndash; built-in.
Transformers with power 1.6; 2.5 and 4.0 kV * A are installed on a horizontal plane, and with power up to 1.0 kV * A inclusive - both on horizontal and vertical planes.
Heat resistance class of insulation for transformers with a capacity of 0.063 & ndash; 2.5 kV * A climatic versions U and UHL & ndash; E, for transformers of climatic performance T and transformers with a capacity of 4.0 kV * A performance U & ndash; В in accordance with GOST 8865-93.
Transformers of the same type of various climatic versions are the same in all electrical parameters and differ only in protective coatings.
By the method of protection against electric shock, transformers belong to class I in accordance with GOST 12.2.007.0-75 and & nbsp ; have a degree of protection IP00 & nbsp; in accordance with GOST 14254-96. & nbsp; By agreement & nbsp; between the customer and the manufacturer power transformers 0.063 ... 1.0 kV & bull; A & nbsp; < strong> can be performed & nbsp; with a degree of protection & nbsp;
terminals & nbsp; IР20.
The corrected sound power level of transformers is not more than 49 dBA both at no-load and at rated load.
Main technical characteristics:
| Transformer type | Rated power, kW * A | No-load current,% | Short circuit voltage,% | efficiency,% |
| OCM1-0,063 | 0.063 | 24 & nbsp; | 13.0 | 83.0 |
| OCM1-0,1 | 0,100 | 9.0 | 87.0 | |
| OCM1-0.16 | 0,160 | 23 | 7.0 | 88.2 |
| OCM1-0.25 | 0.250 | 22 | 5.5 | 90.2 |
| OCM1-0.4 | 0.400 | 20 | 4.5 | 93.2 |
| OCM1-0.63 | 0.630 | 19 | 4.0 | 93.5 |
| OCM1-0.63M | ||||
| OCM1-1,0 | 1,000 | 18 | 3.5 | 94.2 |
| OCM1-1,0M | ||||
| OCM1-1.6M | 1,600 | 13 | 95.0 | |
| OCM1-2.5M | 2,500 | 12 | 3.0 | 96.0 |
| OCM1-4.0M | 4,000 | 13 | & nbsp; | 96.5 |
Double-winding transformer with secondary taps:
| Transformer connection schematic | Transformer type | Rated power of the secondary winding, kV * A | Rated voltage of windings, V | Scheme and group of windings connections | |
| primary, U1 | secondary, U2 | ||||
| OCM1-0,063 | 0.063 | 220; 380; 660 | 12; fourteen; 24; 29; 36; 42; 56; 110; 130; 220; 260 | 1 / 1-0 | |
| OCM1-0,1 | 0,100 | ||||
| OCM1-0.16 | 0,160 | ||||
| OCM1-0.25 | 0.250 | 24; 29; 36; 42; 56; 110; 130; 220; 260 | |||
| OCM1-0.4 | 0,400 | ||||
| OCM1-0.63 | 0.630 | 24; 36; 42; 110; 220 | |||
| OCM1-0.63M | |||||
| OCM1-1,0 | 1,000 | 36; 42; 110; 220 | |||
| OCM1-1.0M | |||||
| *** The power at the secondary winding of the transformer is reduced relative to the power of the entire winding in proportion to the voltage decrease | |||||
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