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B TYPE CHOKE
SPECIFICATION NO. : IRS:S:65/83
RDSO APPROVED. : YES
DESCRIPTION :
Application in DC Track Circuit, Protective Device for DC track circuit on 25 KV AC 50 Hz electrified section of train operation (RE Section), Provide high impedance with DC superimposed on track, Air cooled, Robust construction for handling in rail road condition
TECHNICAL SHEET :
- Resistance: 3 Ω ± 5% at 15°C
- Impedance: >150 Ω with 50 mA AC (50 Hz), >120 Ω with 2.5 A DC superimposed on 50mA AC,
- Temperature Rise: < 55ºC above ambient at 2.5ADC
- Operating Temperature: -10ºC to 50ºC; RH<90% (Non-condensing)
- Induced high voltage test: 500 V AC at 200 Hz
- Insulation Voltage: 2 kV between Coil & Earth for one minute
- Insulation Resistance: >100 MΩ.
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We are an ISO 9001:2015 certified company. Our products are based on Railway/RDSO/IRS specification and are quality assured after extensive internal as well as third party inspection. We have appointed a team of quality analysts to keep a strict vigil on the quality of the products being manufactured right from raw materials to the finished production stage.
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