Q Style / BR930 Signalling Relays

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  QNHX1 – Solid state interlocking interface relay

  This data sheet (see downloads) is for an AC neutral line relay, for interfacing between solid state interlocking systems and general railway signalling equipment controlled by BR specification 930 style relays. Mors Smitt Relays Modular plug in design Non weld contacts Silver and carbon impregnated with silver contact tips Proven reliability Low life cycle cost
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  QNN1 – Twin DC neutral line relay

  Twin relays covered by this data sheet (see downloads) are for general railway signalling purposes Mors Smitt Relays Modular plug in design Non weld contacts Silver and carbon impregnated with silver contact tips Proven reliability Low life cycle cost
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  QNNA1 – AC immume DC neutral line relay

  The twin relays covered by this data sheet (see downloads) are for use in line circuits 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
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  QNND1 – twin double wound DC neutral line relay

  Twin relays covered by this data sheet (see downloads) are for general railway signalling purposes where operation from either of two separate supplies 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
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  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
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  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
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  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
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  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
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  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…
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  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
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  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
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  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
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  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
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  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…
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  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
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  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