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Signaling Items

BLOCK BELL EQUIPMENT (BB)

SPECIFICATION NO. : TC 44/88

RDSO APPROVED. : YES

DESCRIPTION :

The block bell equipment works on 24V DC with variation of +30% and -10%.It is used in AC Electrified area to convert DC impulses to AC at the sending end and AC impulses to DC at the receiving end.

 

TECHNICAL SHEET :

TECHNICAL SHEET :
  • Insulation Resistance: >100MΩ with 1000VDC
  • Dielectric Strength: 1KVAC 50Hz For 1Min
  • Supply Voltage: 24VDC, -10% to +30%
  • Output Voltage: 45-60VAC with load of 1120Ω, ±2%
  • Current Drain: ≤1Amp.
  • Frequency: 150Hz,±5Hz with a load of 1120Ω,±2%.
  • Wave Shape: Sine Wave
  • Harmonic Distortion: < 5%, with a load of 1120Ω,±2%.
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Quality Control

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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