Railway Electrification System

Sai Electricals has been providing energy management solution for last three decades by way to producing & exporting capital equipments to the utmost satisfaction of the customers. We are leading manufacturers, suppliers of railway electrification system, railway transformer, air break switches, traction gears, auxiliary transformers, booster transformers.

Auxiliary Transformers 25 KV for Railway AC Traction System.

Features Application

Range Available : 5, 10, 25 & 50 KVA
25 KV I 240V, 50 Hz. Single phase, oil filled

Design: Computer aided design, compact in size, optimum design and as per latest IS & RDSO specifications.

RDSO Spec No.:ETI/PSI/15(08/2003)
Approval Agency: RDSO, CORE
Type Tested: At CPRI & ERDA

Used At: 220/25 KV, 132/25 KV, 110/25 KV & 66/25 KV Railway Traction Substations, Switching stations, and other outdoor locations. The ATs are suitable for pole mounting alongwith the Railway Track for supply of power to electric signaling and or sub station/switching station loads.



Single & Double Pole 25 KV Isolators

Range Available: 1250 Amp., 1600 Amp & 3150 Amp., 33 KV Class

Design: Optimum design, compact size obtained by computer aided design as per latest IS & ROSO specifications.
ETI/OHE/16(01/94) with slip no. 1 (June2000)

Approval agency: RDSO & CORE
Type Test: CPRI & ERDA, Vadodra
Moterised Models also available.

Used At Section and paralleling post & sub sectioning & paralleling post, Feeding post & Traction sub-station.

Air Break Switches

Range 11, 22, 33 KV class
Current Rating -200, 400, 600, 800, 1200, 1600 Amp.
Mounting -Vertical / Horizontal, Single / Double & Center Break, with & without earth switch
Specification -IS9921(1-V)
Mode of Operation - Manual as well as Moterised

Railway Electrification:
We have successfully developed specialized transformers used by Indian railways up to 25 KV class in their various applications, such as:
- Auxiliary transformer of 5/10/25 & 50 KVA input / 240 output.
- Booster transformers up to 280 KVA 25 KV class.
- Dry type fiber glass epoxy stainless steel housed transformers for EOG coaches up to 60 KVA 750 V input / 415 V output.
- Coach testing traction transformers up to 1000 KVA 11 KV 3 phase input / 25 KV single phase output.
- Single pole & double pole 25 KVA, 1250/1600 amps isolators.