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DAIDO TYPE SINGLE LINE TOKENLESS BLOCK INSTRUMENT (TLBI)

It is used for BLOCK WORKING in Single line sections (Both RE and NON - RE) of INDIAN RAILWAYS. The instrument is designed to work on 24V DC voltage (normal) with variation between 19.2V to 28.8V. It works on Frequency modulated ( FM ) system utilizing FM TRANSMITTER & RECEIVER to immune from

FM TRANSMITTER & RECIVER (TX/RX)

It is used for BLOCK WORKING in Single line sections (Both RE and NON - RE) of INDIAN RAILWAYS. The instrument is designed to work on 24V DC voltage (normal) with variation between 19.2V

DC-DC CONVERTER

It is designed to work with nominal input voltage of 24V/ 60V/ 110V as per the requirement with variation of –10% to +20%. It is suitable to operate from battery on float/boost charge w

FAIL SAFE TIME DELAY DEVICE (FST)

The equipment is designed to work at an input of 24V DC with variation between +20% to -10% to give 24V DC at its output after a precise time delay of 10/20/30/60 /120 seconds.

FILTER UNIT

The equipment is used in Single Line / double Line Block Circuit for protection of instrument & staff from influence of 25 KVAC electrified section. The equipment comprises of Protect

BLOCK BELL EQUIPMENT (BB)

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 rec

FAIL SAFE FLASHER (FSF) RELAY

Fail Safe Flasher is designed to work at 24V input with variation +30% to -10% ,giving flashing output of 24V DC ±20% at 3A with 50 ± 2 flashes per minute. Micro-controller is u

EARTH LEAKAGE DETECTOR (ELD)

The Earth Leakage Detector monitors the insulation resistance of a non-earthed Single or Three Phase AC & DC networks. It can monitor four different AC or DC supplies. Insulation faul

UNIVERSAL FAIL SAFE BLOCK INTERFACE (UFSBI)

The Universal Fail Safe Block Interface (UFSBI) Equipment is meant for interfacing various signaling information of a block instrument at one end of a block section and exchanging them wi

BLOCK PROVING AXLE COUNTER (BPAC) USING UFSBI

Block Proving by Axle Counter is a system used for controlling the coordinated movement of the train in the block section working on absolute block working principle. The system has been

LED SIGNAL LIGHTING UNITS

LED Signal Lighting Units manufactured as per Railway Specification No. RDSO/SPN/153/2011 Rev. 4.1 can help the Railways to cut their operating costs dramatically. LED Signal Lighting

FUSE AUTO CHANGEOVER SYSTEM (FACS)

The system is developed to continuously monitors health of various fuses provided in Railway Signaling Installations and in addition to the said monitoring it also automatically changes o

B TYPE CHOKE

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

TRACK FEED BATTERY CHARGER

The Track Feed Battery Charger is used to charge 1 or 2 or 3 or 4 lead acid cells of 40 / 80 AH used in DC Track Circuits. It has a Double-Pole ON/OFF Rotary Switch, 110V AC Input Termina

PPTC RESETTABLE FUSE

The Polymeric Positive Temperature Co-efficient (PPTC) Resettable Fuse is a radial leaded PolySwitch resettable device. It provides engineers with more design flexibility. The higher volt

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SIGNALING EQUIPMENTS

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