Relay and Signalling
Relay Style : QN1
Product Overview: This is a miniature, D.C. Neutral, Tractive armature, line relay designed primarily for use in Railway signaling circuits. This relay conforms to BRS Spec. 930.
Application: Typical applications included repeater, control and indication functions
Technical Details:
Technical Details:
The following table shows the available range: |
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Descp. |
Nominal Working Voltage (Volts) |
Cont-acts |
Coil |
Max |
Min release voltage (Volts) |
Inter-locking code pin |
QN1 |
24 |
12F.4B |
345 ± 10% |
19.2 |
3.6 |
ABCDE |
QN1 |
24 |
8F.8B |
345 ± 10% |
19.2 |
3.6 |
ABCDF |
Contact layouts (Rear View):
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Relay Style : QN1K & QNA1K
Product Overview: This is a miniature, D.C. Neutral, Tractive armature, line relay designed primarily for use in Railway signaling circuits. The style UN1K & UNA1K forms the basis of the Q series relays. These relays comply with BRS 930, 931A and STS/E/Relays/UEA(PI) dt.30.5.97
Application: Typical applications included repeater, control and indication functions. QNA1K comprises of a neutral relay Style QN1K with a slug and shunt fitted on the core to provide AC immunity to 1000 volts A.C. r.m.s. 50 Hz.
Technical Details:
The following table shows the available range: |
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Desp. of Relay |
Nominal Working Voltage (Volts) |
Contacts (Front/ |
Coil Resi-stance at 20˚C (ohms) |
Max. |
Min. |
Inter-loc-king code pin |
QN1K |
24 |
6F.6B |
1000 ± 10% |
19.2 |
3.6 |
BDEKX |
QN1K |
24 |
4F.4B |
1000 ± 10% |
19.2 |
3.6 |
BDEKX |
QNA1K |
24 |
6F.6B |
1000 ± 10% |
19.2 |
3.6 |
CDEKY |
QNA1K |
24 |
4F.4B |
1000 ± 10% |
19.2 |
3.6 |
CDEKY |
Contact layouts (Rear View):
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Relay Style : QNA1
Product Overview: This is a miniature, A.C. immune D.C. Neutral, Tractive armature, line relay designed for use in Railway signaling purposes. This relay conforms to BRS Spec. 931A.
Application: It comprises of a neutral relay Style QN1 with a slug and shunt fitted on the core to provide AC immunity to 1000 volts A.C. r.m.s. 50 Hz.
Technical Details:
The following table shows the available range: |
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Description of Relay |
Nominal Working Voltage (Volts) |
Contacts (Front/ |
Coil Resi-stance at 20˚C (ohms) |
Max. |
Min. release voltage (Volts) |
Inter-locking code pin |
QNA1 |
24 |
12F.4B |
215 ± 10% |
19.2 |
3.6 |
ABDFH |
QNA1 |
24 |
8F.8B |
215 ± 10% |
19.2 |
3.6 |
ABDGH |
Contact layouts (Rear View):
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Relay Style : QNN1
Product Overview : This is a miniature, D.C. Neutral, Tractive armature, line relay designed primarily for use in Railway signaling circuits. This relay conforms to BRS Spec. 930.
Application : Typical applications included repeater, control and indication functions.
Technical Details:
The following table shows the available range: |
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Desc-ription of Relay |
Nominal Working Voltage (Volts) |
Con- |
Coil Resis-tance at 20˚C (ohms) |
Maxi. |
Min. |
Inter-locking code pin |
QNN1 |
24 |
6F.2B (LH) |
440 ± 10% |
19.2 |
3.6 |
ACDEK |
Contact layouts (Rear View):
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Relay Style : QSPA1
Product Overview: This is slow to operate, A.C. immune, D.C. Neutral line relay designed primarily as a track circuit repeater relay. The relay conforms to BRS Spec.933A.
Application: This relay is used in circuits where it is required not to operate during a momentary feed such as when there is a temporary loss of shunt and in addition where currents at industrial frequencies (50 Hz) may be present in the circuit.
Technical Details:
The following table shows the available range: |
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Desc-ription of Relay |
Nominal Working Voltage (Volts) |
Contacts (Front/ |
Coil Resis-tance at 20˚C (ohms) |
Max. |
Min. release Voltage (Volts) |
Inter-loc-king code pin |
QSPA 1 |
24 |
8F.4B |
195 ± 10% |
19.2 |
3.6 |
ABDEJ |
Contact layouts (Rear View):
Relay Style : QTA2
Product Overview: This is an A.C. immune, tractive armature, D.C. Neutral track relay. The relay conforms to BRS Spec.939A and 966 Appendix F2.
Application: This relay is designed for use in railway signaling D.C. track circuits in 50 Hz electrified traction areas
Technical Details:
| The following table shows the available range: | |||||||
Descri-ption of Relay |
Nom- inal Wor-king Voltage (Volts) |
Cont-acts (Front/ |
Coil Resi-stance at 20˚C (ohms) |
Operating current (mA) |
Min. Perc-entage of release |
Interlo-cking code pin |
|
|
|
|
|
Min. |
Max. |
|
|
QTA2 |
1.4 |
2F.1B |
9 ± 10% |
120 |
140 |
68 |
FGHKX |
Contact layouts (Rear View):
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