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8 Line Master EVC control unit (no handset) c/w line cards and display ; Wall-mounting, needs 2 x 12V 7.0A/H batteries (typically used on networked systems that do not require multiple control points)

The ECU-8NT is an 8 line Master controller (with No handset) designed for use in the fire telephone systems and the disabled refuge systems of Context Plus. It offers communication over 8 lines. It can be networked with other 16 line, 8 line and 4 line Master controllers to create a fire telephone system or a disabled refuge system with up to 224 dual communication lines. The ECU-8NT Master controller does not include a handset, thus it is used in networked systems that do not require every master controller to have an operator handset.


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• Ideal for disabled refuge and fire telephone applications.
• Does not include a handset - ideal for use on networked SigTEL systems that do not require multiple control points.
• Can be connected to up to eight disabled refuge or fire telephone outstations.
• Improved networking capability allow systems of up to 224 lines to be created with optional/additional desk unit control.
• Supplied with a backlit LCD display.
• 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 range hearing 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.
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:  Silence Buzzer. Other controls are available but are not applicable as no handset is provided on this unit.
Product dimensions (mm):  410 W x 250 H x 80 D mm (base); 439 W x 274 H x 7 D mm (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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