OL-SESH 0,63 - 1,25 kVA 6, 10 kV

General Description

Low-power transformers of outdoor installation, single-phase power OL-SESH-0,63/6 (10), 1,25/6 (10), designed to provide power for the circuits of automatic block system from overhead lines and longitudinal power supply of Railways. The transformer has a climate version of UHL, T and placement category 1 according to GOST 15150-69.
Isolation of the transformer withstands the test voltage for normal insulation, isolation level "b" according to GOST 1516.3-96.
The use of cycloaliphatic epoxy resin, resistant to the external environment.
Degree of environmental pollution during operation - IV (very strong) is not less than 3.1 cm/kV according to GOST 9920-89.

Technical Characteristics

Name Voltage class, kV
Peak operating voltage, kV

Rated voltage of primary winding, kV

Rated power, V * A
No-load current,%, no more
Idling losses, W, no more
OL-SESH 0,63/6
6 7,2 6; 6,3; 6,6 630 50 50
OL-SESH 0,63/10
10 12 10; 10,5; 11 630 50 50
OL-SESH 1,25/6 6 7,2 6; 6,3; 6,6
1 250 35 50
OL-SESH 1,25/10
10 12 10; 10,5; 11
1 250 35 50