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:
| The following table shows the available range: | ||||||
| Descp. of Relay | Nominal Working Voltage (Volts) | Cont-acts (Front/ Back) | Coil Rest. at 20˚C (ohms) | Max full operating voltage (Volts) | 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):
 |  |
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: | ||||||
| Desp. of Relay | Nominal Working Voltage (Volts) | Contacts (Front/ Back) | Coil Resi-stance at 20˚C (ohms) | Max. full oper-ating voltage (Volts) | Min. release voltage (Volts) | 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):
 |  |
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: | ||||||
| Description of Relay | Nominal Working Voltage (Volts) | Contacts (Front/ Back) | Coil Resi-stance at 20˚C (ohms) | Max. full oper-ating voltage (Volts) | 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):
 |  |
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: | ||||||
| Desc-ription of Relay | Nominal Working Voltage (Volts) | Con- tacts (Front/ Back) | Coil Resis-tance at 20˚C (ohms) | Maxi. full ope-rating voltage (Volts) | Min. release voltage (Volts) | Inter-locking code pin |
| QNN1 | 24 | 6F.2B (LH) 6F.2B (RH) | 440 ± 10% | 19.2 | 3.6 | ACDEK |
Contact layouts (Rear View):
 |
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: | ||||||
| Desc-ription of Relay | Nominal Working Voltage (Volts) | Contacts (Front/ Back) | Coil Resis-tance at 20˚C (ohms) | Max. full ope-rating Voltage (Volts) | 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/ Back) | 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):
 |
ROLEX METAL DISTRIBUTORS
57-A Khatargalli
Thakurdwar
Mumbai – 400 002 India
0091-22-23858802
0091-22-23823963
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www.rolexmetals.com