Signalling Relays
RAILWAY SIGNALLING PRODUCTS
NEUTRAL LINE
RELAY STYLE QN1
This is a miniature, DC neutral, Tractive armature, line relay designed for use (typical application include repeater, control & Indication functions) railway signalling circuits. The style QN1 forms the basis of the Q range relays. Fitted with a maximum of sixteen independent Silver Impregnated Graphite to Silver contacts, this relay conforms to BRB Spec. 930.
The following table shows the available range
Product Code
Nominal Working Volts
Contacts
Coil Resistance Ohms Volts
Maximum Full Operating 40 40 40 40 40 19.2 19.2 19.2 19.2 19.2 9.6 9.6 9.6 9.6 9.6
Minimum Release Volts 7.5 7.5 7.5 7.5 7.5 3.6 3.6 3.6 3.6 3.6 1.8 1.8 1.8 1.8 1.8
Interlocking
4841153 4841165 4842719 4842722 4842734 4841114 4841126 4842746 4842758 4842761 4841141 4841138 4842773 4842785 4841189
50 50 50 50 50 24 24 24 24 24 12 12 12 12 12
12F 4B 8F 8B 8F 4B 6F 6B 4F 4B 12F 4B 8F 8B 8F 4B 6F 6B 4F 4B 12F 4B 8F 8B 8F 4B 4F 4B 8F 8B
1500 1500 1500 1500 1500 350 350 350 350 350 100 100 100 100 100
ABCEF ABDEF ABCEF ABDEF ABDEF ABCDE ABCDF ABCDE ABCDF ABCDF ACFJX ABCFX ACFJX ABHJX ADFHK
Contact layouts (Rear view)
A
1 2 3 4 5 6 7 8 R1 R3 B C F F B C R2 R4 B C B B B C B C F B C B C B B C B C B C B F F B B B B B B F B B B B B B F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F
B
C
D
12F 4B
8F 8B
8F 4B
6F 6B
4F 4B
RELAY STYLE QNA1
This is a miniature, AC immune, DC neutral, Tractive armature, line relay designed for railway signalling purposes. It comprise of a neutral relay with a slug and shunt fitted on the core to provide immunity to 1000 volts AC rms 50Hz. The contacts are Silver Impregnated Graphite to Silver. The relay conforms to BRB Spec. 931 A.
The following table shows the available range
Product Code
Nominal Working Volts
Contacts
Coil Resistance Ohms
Maximum Full Operating Volts 40 40 19.2 19.2 9.6 9.6
Minimum
NEUTRAL LINE
RELAY STYLE QN1
This is a miniature, DC neutral, Tractive armature, line relay designed for use (typical application include repeater, control & Indication functions) railway signalling circuits. The style QN1 forms the basis of the Q range relays. Fitted with a maximum of sixteen independent Silver Impregnated Graphite to Silver contacts, this relay conforms to BRB Spec. 930.
The following table shows the available range
Product Code
Nominal Working Volts
Contacts
Coil Resistance Ohms Volts
Maximum Full Operating 40 40 40 40 40 19.2 19.2 19.2 19.2 19.2 9.6 9.6 9.6 9.6 9.6
Minimum Release Volts 7.5 7.5 7.5 7.5 7.5 3.6 3.6 3.6 3.6 3.6 1.8 1.8 1.8 1.8 1.8
Interlocking
4841153 4841165 4842719 4842722 4842734 4841114 4841126 4842746 4842758 4842761 4841141 4841138 4842773 4842785 4841189
50 50 50 50 50 24 24 24 24 24 12 12 12 12 12
12F 4B 8F 8B 8F 4B 6F 6B 4F 4B 12F 4B 8F 8B 8F 4B 6F 6B 4F 4B 12F 4B 8F 8B 8F 4B 4F 4B 8F 8B
1500 1500 1500 1500 1500 350 350 350 350 350 100 100 100 100 100
ABCEF ABDEF ABCEF ABDEF ABDEF ABCDE ABCDF ABCDE ABCDF ABCDF ACFJX ABCFX ACFJX ABHJX ADFHK
Contact layouts (Rear view)
A
1 2 3 4 5 6 7 8 R1 R3 B C F F B C R2 R4 B C B B B C B C F B C B C B B C B C B C B F F B B B B B B F B B B B B B F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F F
B
C
D
12F 4B
8F 8B
8F 4B
6F 6B
4F 4B
RELAY STYLE QNA1
This is a miniature, AC immune, DC neutral, Tractive armature, line relay designed for railway signalling purposes. It comprise of a neutral relay with a slug and shunt fitted on the core to provide immunity to 1000 volts AC rms 50Hz. The contacts are Silver Impregnated Graphite to Silver. The relay conforms to BRB Spec. 931 A.
The following table shows the available range
Product Code
Nominal Working Volts
Contacts
Coil Resistance Ohms
Maximum Full Operating Volts 40 40 19.2 19.2 9.6 9.6
Minimum