Signalling relays

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  QN1 – DC neutral line relay

  The 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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  QNA1 – A.C. Immune D.C. neutral line relay

  The relays covered by this data sheet (see downloads tab) 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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  QND2 – Double wound DC neutral line relay

  The double wound 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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  QNDE – DC neutral line relays with medium duty back contacts

  Relays covered by this data sheet (see downloads) are for general railway signalling purposes replacing relays to BRB930 where greater current carrying capacity is required for the back contacts e.g. controlling flashing lamps at some barrier installations. Double winding is for where operation from either of two separate supplies is required. Mors Smitt Relays Modular plug in design Non weld front contacts Medium duty back contacts Silver and carbon impregnated…
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  QNE – DC neutral line relays with medium duty back contacts

  Relays covered by this data sheet (see downloads) are for general railway signalling purposes replacing relays to BRB930 where greater current carrying capacity is required for the back contacts e.g. controlling flashing lamps at some barrier installations. Mors Smitt Relays Modular plug in design Non weld front contacts Medium duty back contacts Silver and carbon impregnated with silver front contact tips Proven reliability Low life cycle cost
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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