SigTEL 8 Line Master Controller

  • Ideal for disabled refuge, fire telephone and stadium marshalling applications.
  • Allows operators to communicate with up to eight disabled refuge or fire telephone outstations.
  • Expandable to 16 lines using an ECU-8 expansion unit.
  • Networking facility allows up to four controllers (plus any expansion units) to be interlinked allowing systems of up to 64 lines to be implemented.
  • Supplied with a backlit LCD and handset.
  • True duplex speech.
  • Unique ‘auto-learn’ facility allows fast system set up.
  • Can be semi-flush mounted using an AFP385 bezel.
  • Operation can be maintained for 24 hours (standby) and 3 hours (in use) using 2 x 12V 7 Ahr batteries.
  • Easily interfaced to NC951 accessible toilet alarms, PDA audio-frequency induction loop systems, strobes, CCTV activation relays, etc.


Approvals/certifications Facilitates compliance with BS5839-9 when correctly installed.
Mains supply 230V 50/60Hz.
Mains rated current 500mA.
Internal power supply 19V-28.5V (27V nominal). Ripple 7V maximum (battery fault).
Total output current limited to 1.5A @ 230Vac
Quiescent current 100mA (controller with fault buzzer sounding) plus 1mA per Type A outstation and 3.2mA per Type B outstation.
Max battery size and type 2 x 12V 7Ah VRLA connected in series.
No. of lines 8 (expandable to 16 via an ECU-8S 8 line expansion unit).
Auxiliary relays Changeover fault relay (failsafe). 30V 1A max.
Open collector outputs (OP1): Activates when the ECU is ringing; (OP2) Activates when there is an active accessible toilet alarm call; (OP3) Closes when the handset is off hook and remains active for 2 mins after it is replaced. 24V, 50mA max.
Other outputs +24 V. Typically used to supply power to equipment connected to the ECU’s open collector outputs (relays, etc).
Engineer (AL3) functions Engineer mode and reset buttons (internal).
Indicators 128 x 64 pixel LCD display; Disablement; System fault; PSU fault; General fault; Power on.
Controls Handset; Scroll buttons; Hold; Call Accept; Function; Directory; Silence Buzzer.
Expansion connections 2 x CAT5 connectors provided for an optional ECU-8S expansion unit (leads supplied with ECU-8S). ECU721 network card allows the connection of up to 3 additional ECU-4/8 controllers (1 x ECU721 per ECU-4/8).
Product dimensions (mm) 410 W x 250 H x 80 D mm (base); 439 W x 274 H x 7 D mm (lid). Handset protrudes 80 mm beyond lid.
Construction & finish Metal lid and base, RAL7035 grey texture.
IP Rating IP20.
Weight 3.1kg (without batteries).
Operating conditions/temperature -5ºC to +40ºC. Max relative humidity: 95%.


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