
Approved Document No.: DNU0951001 Rev 3 • Page 8 of 8
TECHNICAL SPECIFICATIONS
NC943B
Single Zone Call Controller c/w Sounder
Mains supply:
Voltage: 230Va.c. 50/60Hz; Max. current: 23mA.
Outputs:
PSU voltage 12Vd.c. / current 140mA.
Volt-free relay contacts (NO/C/NC) rated 30Vd.c. @ 1A.
Currents:
Zone current 18mA; Alarm current 23mA.
Battery backup:
500mA, rechargeable, 24 hours standby plus 15 minutes alarm run time.
Indicators:
Red alarm ‘Calling’ LED; Green power ‘On’ LED (flashes green when
battery backup is active).
Sounder:
Active in alarm, volume adjustable.
Controls:
‘Call Accept’ button (link selectable for accept, reset, or no function).
IP Rating:
IP31 when correctly installed.
Mounting:
Mounts on 25mm UK double gang back box (flush or surface).
Dimensions:
147 x 87 x 39mm (W x H x D).
Weight:
300g
Operating Temp.: -5
o
C to +40
o
C; Max. relative humidity (RH) 95% non-condensing.
NC807C
Ceiling Pull Unit
Input:
Voltage: 12Vd.c.; Connections: Signal and -Ve.
Pull cord:
3 metres cord length, generates an alarm call when activated.
Indicator:
Red reassurance LED, active in alarm.
IP Rating:
IP41 when correctly installed.
Mounting:
Surface mountable.
Dimensions:
93mm diameter x 27mm deep.
NC806CS
Overdoor Light c/w Sounder
Input:
Voltage: 12Vd.c.; Connections: Signal, -Ve and +Ve.
Indicators:
Dual ultra-bright red LEDs, active in alarm.
Sounder:
Active in alarm.
IP Rating:
IP41 when correctly installed.
Mounting:
Mounts on 25mm UK single gang back box.
Dimensions:
87 x 87 x 68mm (W x H x D).
NC809DBBT
Accessible Toilet Reset Point c/w Sounder
Input:
Voltage: 12Vd.c.; Connections: Signal, -Ve and +Ve.
Indicator:
Red reassurance LED, active in alarm.
Sounder:
Active in alarm.
IP Rating:
IP41 when correctly installed.
Mounting:
Mounts on 25mm UK single gang back box.
Dimensions:
87 x 87 x 24mm (W x H x D).
E&OE. We reserve the right to alter product specifications at our discretion and without prior notice. This
document has been carefully checked prior to publication. However, no responsibility can be accepted by
the manufacturer or distributors of this equipment for any misinterpretation of an instruction or
guidance note or for the compliance of the system as a whole.