C-TEC EP203 Automatic Extinguisher Panel Part No. EP203


Technical Specifications
Approvals/certifications Certified to EN12094-1 and EN54-2 & 4 by the LPCB.
Mains supply 230V 50/60Hz.
Mains rated current 810mA max.
Internal power supply 19V-28.5V (27V nominal). Ripple 7V maximum (battery fault).
Total output current limited to 1.5A @ 230Vac continuous, 3A peak (ImaxA eq 800mA).
Quiescent current 40mA (on mains fail). Zone quiescent 2mA max.
Max battery size and type 2 x 12V 7Ah VRLA connected in series.
No. of detector zone circuits 3 @ 19-28Vdc (Max. length per circuit is 250m).
Max. devices per detector zone 20 detectors (or 32 detectors/manual call points combined).
No. of conventional sounder circuits 3 (two x 1st stage; one x 2nd stage). Max. length per circuit is 50m).
EOL resistor value 6800 5% Tol. 0/25W (blue, grey, red, gold).
Max. sounder output current 3 x 200mA.
Auxiliary relays Six: (1) Fire; (2) Local Fire; (3) Extract Fan; (4) 1st Stage; (5) 2nd Stage; (6) Fault. Volt free single pole
changeover. Max. switch current 1A; Max. switch voltage 30Vdc. Five additional relays available via
EP212 relay card.
Other outputs Extinguishant release (21-28Vdc, rated at 1A for 5 mins). Programmable to delay by 0-60 seconds; to
be active for 1-300 seconds and to flood for 60-1800 seconds.
Auxiliary inputs Six: (1) Manual Release; (2) Flow Switch; (3) Low Pressure; (4) Mode; (5) Hold; (6) Abort. 8K-2K normal;
1.8K-200 active; 150-0 short circuit. EOL value: 6K8 +/-5%, 0.25W.
Indicators Multiple indicators are provided – refer to the EP203 instructions for details.
Controls Extinguishant release (housed in yellow casing); Accessed keyswitch; Operation keyswitch (Manual
only or Manual & Auto); Buttons for Menu; Silence internal sounder; reset panel; silence/resound
sounders and scrolling.
Expansion connections Yes – for up to 8 x Remote status units (2 wire RS485 + 2 wire power) and/or up to 8 x Ecomomy
status units (2 wire power + 2 wire mode select).
Product dimensions (mm) 439 W x 276 H x 70 D mm (back box); 467 W x 293 H x 29 D mm (lid).
Construction & finish Metal back box; metal chassis’ plastic lid.
IP Rating IP30.
Weight 4.2kg (without batteries).
Operating conditions/temperature -5°C to +40°C. Max relative humidity: 95%



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LPCB certified to EN 12094-1 (the European standard for Fixed Firefighting Systems - Components for Gas Extinguishing Systems) and EN54-2/4, the EP203 three zone automatic extinguisher panel epitomises quality, durability and reliability.

Specifically designed for use in areas housing expensive, dangerous or irreplaceable items of equipment, it features an intuitive 128 x 64 pixel display that gives clear and concise feedback to the user, installer and commissioning engineer. It has six monitored inputs (including hold & abort), a time stamped log, adjustable flood times and volt-free changeover relays for fire, local fire, 1st stage active, 2nd stage active, extractor fan and fault.

All of the panel's electronics - apart from its powerful 3A EN54-4 switch mode PSU - are mounted on a detachable metal bridge plate for ease of installation. A wide range of ancillaries are also available including remote status units, hold-off & abort buttons, line terminators and relay boards.