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Railway

QNNS1 – twin DC slow acting neutral line relay
Twin relays covered by this data sheet (see downloads) are for applications where a slow to operate and/or slow to release characteristic is required. Mors Smitt Relays Modular plug in design Non weld contacts Silver and carbon impregnated with silver contact tips Proven reliability Low life cycle cost
QR5-1 – resistor/capacitor circuit
The relay covered by this data sheet (see downloads) consists of a resistor/capacitor unit in a BR930 series relay case. Mors Smitt Relays Modular plug in design Proven reliability Low life cycle cost
QR5-2 – resistor/capacitor circuit
The relay covered by this data sheet (see downloads) consists of a resistor/capacitor unit in a BR930 series relay case. Mors Smitt Relays Modular plug in design Proven reliability Low life cycle cost
QRJ1 – DC neutral time delay relays
Relays covered by this data sheet (see downloads) are for applications where a greater time delay is required on release than can be achieved by slugging. Mors Smitt Relays Modular plug in design Non weld contacts Silver and carbon impregnated with silver contact tips Proven reliability Low life cycle cost
QSPA1 – AC immume DC neutral slow pick-up line
The relays covered by this data sheet (see downloads) are for use as DC repeater relays, having a delayed pick-up characteristic to bridge a gap due to loss of shunt or slow drop away of a track relay. These relays are suitable for use where alternating current at industrial frequency may be present in the circuit. Mors Smitt Relays Modular plug in design Non weld contacts Silver and carbon impregnated…
QSRA1 – DC slow release neutral line relay
The relays covered by this data sheet (see downloads) are for use where a slow release, neutral line relay is required. TY086/GRP01 and GRP02 relays are suitable for use where alternating current at industrial frequency may be present in the circuit. Mors Smitt Relays Modular plug in design Non weld contacts Silver and carbon impregnated with silver contact tips Proven reliability Low life cycle cost
QT2 – DC neutral track relay
The relay covered by this data sheet (see downloads) is for use in line circuits where alternating current at industrial frequency may be present in the circuit. TY152/GRP01 is for use with Aster type ‘U’ jointless track circuit equipment. Mors Smitt Relays Modular plug in design Non weld contacts Silver and carbon impregnated with silver contact tips Proven reliability Low life cycle cost
QT2R – DC neutral reed follower relay
The relay covered by this data sheet (see downloads) is a direct replacement for GEC’s ZS2411 which is designed for use in the reed receiver amplifier circuit on RR 2002 and RR 2003 units. Mors Smitt Relays Modular plug in design Non weld contacts Silver and carbon impregnated with silver contact tips Proven reliability Low life cycle cost
QTA2 – immume DC neutral track relay
The relays covered by this specification (see downloads) are for use on railways electrified on the 50 Hz AC system. Mors Smitt Relays Modular plug in design Non weld contacts Silver and carbon impregnated with silver contact tips Proven reliability Low life cycle cost
QTD4 – slow to release delay units
The TY370/GRP01 is used in safety critical applications where a delay is required between the opening of a control contact and the release of a normally energised slave relay. The slave relay is powered from the TY370/GRP01 and thus does not require a separate supply. The TY372 is used in applications where an operate delay longer than that achievable by slugging is required. Mors Smitt Relays Modular plug in design…
QTD5 – slow to operate relays
The TY372 is used in applications where an operate delay longer than that achievable by slugging is required. Mors Smitt Relays Modular plug in design Non weld contacts Silver and carbon impregnated with silver contact tips Proven reliability Low life cycle cost
QUCX5 – AC lamp proving relays
The relays covered by this data sheet are designed as lamp proving relays where the relay is connected in series with the primary winding of the lamp transformer. TY153/GRP08 has the 50V D.C. stick coil (A7-D7) connected externally in series with a front contact. Mors Smitt Relays Modular plug in design Non weld contacts Silver and carbon impregnated with silver contact tips Proven reliability Low life cycle cost
RDA Resistor unit
The RDA resistor module consists of a D-relay housing containing 4 electrically isolated resistors. This gives the possibility to use them in different electrical circuits. Housing has venting holes for optimimum temperature behaviour. The RDA can be plugged in into all D-U sockets. Maximum allowable power inside the housing is 5W. Benefits: Proven reliable long term availability easy to maintain low life cycle cost no maintenance (more…)
Relay Marshalling Box (RMB)
The RMB solution: fast, flexible, compact and reliable. (more…)
RelayDoc
The Mors Smitt RelayDoc is designed and customised to provide controlled auditable testing of customer specific BR930/Q-Style signalling relays in accordance with their original BRB design specifications. (more…)
Retrofit & replacement solutions
Extending life expectancy by upgrading obsolete and outdated rail network installations is mandating the replacement and retrofit of obsolete components. Many authorities recognize Mors Smitt´s expertise in this field, especially for retrofit and replacement with form, fit and function compliant systems (FFF). This is an area of increasing significance: Inhouse design and prototyping of new solutions Customer specific type testing and validation On site implementation and commissioning After sales support…