Single-phase dry-type transformers (OS-series)

Single-phase dry-type transformers (OS-series)

Transformers of OS-series (З) – single-phase, dry-type(З-with housing) voltage transformers, designed to power electrical equipment, electrical control systems, alarm, control circuits, local lighting, etc. OS-series transformers are used for operation in mains with voltage up to 660 V and a frequency of 50 Hz. Power range is from 6.3 to 40 kVA.

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Description
operating conditions
specifications and prices

Transformers of OS-series (З) – single-phase, dry-type(З-with housing) voltage transformers, designed to power electrical equipment, electrical control systems, alarm, control circuits, local lighting, etc. OS-series transformers are used for operation in mains with voltage up to 660 V and a frequency of 50 Hz. Power range is from 6.3 to 40 kVA.

Version:

degree of protection - IP 00, IP 20;
climatic category - U3;
insulation resistance class - B, F;
the environment is not explosive.

Main parameters of single-phase transformers of OS type

Transformer type

Rated power, kVA

Rated voltage of HV winding, V

Rated voltage of LV winding, V
OS-0.1/0,7-У3 0,1 230; 400; 690 up to 230; 400; 690
OS-0,16/0,7-У3 0,16 230; 400; 690 up to 230; 400; 690
OS-0,25/0,7-У3 0,25 230; 400; 690 up to 230; 400; 690
OS-0,4/0,7-У3 0,4 230; 400; 690 up to 230; 400; 690
OS-0,63/0,7-У3 0,63 230; 400; 690 up to 230; 400; 690
OS-1,0/0,7-У3 1,0 230; 400; 690 up to 230; 400; 690
OS-1,6/0,7-У3 1,6 230; 400; 690 up to 230; 400; 690
OS-2,5/0,7-У3 2,5 230; 400; 690 up to 230; 400; 690
OS-4,0/0,7-У3 4,0 230; 400; 690 up to 230; 400; 690
OS-6,3/0,7-У3 6,3 230; 400; 690 up to 230; 400; 690
OS-10/0,7-У3 10 230; 400; 690 up to 230; 400; 690
OS-16/0,7-У3 16 230; 400; 690 up to 230; 400; 690
OS-25/0,7-У3 25 230; 400; 690 up to 230; 400; 690
OS-40/0,7-У3 40 230; 400; 690 up to 230; 400; 690
OS-63/0,7-У3 63 230; 400; 690 up to 230; 400; 690
OS-100/0,7-У3 100 230; 400; 690 up to 230; 400; 690
OS-160/0,7-У3 160 230; 400; 690 up to 230; 400; 690

Transformer types designation

Example of recording the transformers designation when ordering:

OS - 6,3 / 0,7-u3 - single-phase dry-type with natural air cooling with an open version, with a capacity of 6.3 kVA, voltage class 0.7 KV, climatic category U, location environmental class 3

Overall, mounting dimensions and weight of the transformers

Transformer type H W L a b d

№ of the figure

  mm mm mm mm mm mm  
OS-0,1/0,7-УЗ 130 115 105 53 72 6 1
OS-0,16/0,7-УЗ 130 115 105 53 72 6 1
OS-0,25/0,7-УЗ 140 135 125 80 70 6,5 1
OS-0,4/0,7-УЗ 150 160 110 100 70 6,5 1
OS-0,63/0,7-УЗ 170 165 110 100 70 6,5 1
OS-1,0/0,7-УЗ 165 165 165 120 130 7 1
OS-1,6/0,7-УЗ 165 182 165 145 140 7 1
OS-2,5/0,7-УЗ 220 185 200 160 180 7 1
OS-4,0/0,7-УЗ 280 238 200 160 180 7 1
OS-6,3/0,7-УЗ 330 225 300 150 165 11 2
OS-10/0,7-УЗ 380 285 300 150 180 11 2
OS-16/0,7-УЗ 420 365 340 200 220 11 2
OS-25/0,7-УЗ 430 330 420 210 250 11 2
OS-40/07-УЗ

According to customer technical task

 
OS-63/0,7-УЗ
OS-100/0,7-УЗ
OS-160/0,7-УЗ

Transformers of the OS type with a capacity from 0.1 to 4.0 kVA are analogous to transformers of the OSM and OSM1 type.

Figure № 1

Figure № 2

The warranty period is 24 months from the date of sale, unless otherwise agreed with the customer.