• The industry leading Sigma XT extinguishant releasing panel, installed extensively in thousands of premises globally, offers outstanding value and performance for all small to medium fixed firefighting installations.
• With three detection zones as standard, extinguishant release can be configured to activate from any combination of detection zone inputs.
• Sigma XT panels are both robust and easy to install having all the electronics mounted on a single, easily removable, steel plate.

•  Any single zone or any combinations of zones can beconfigured to release
• Configurable first stage sounder delays
• Configurable detection delays
• Zero time delay upon manual release option
• Compatible with I.S. barriers
• Non-latching zone input option to receive signals from other systems such as aspirating equipment
• Countdown timer shows time remaining until release
• Supports up to seven, four-wire status indicators
• Configurable extinguishant delays up to 60 seconds in 5 second steps
• Configurable extinguishant duration up to 5 minutes in 5 second steps
• Supports up to seven, four wire status indicators
• Built in Extract Fan control
• Approved and certified to EN12094-1, EN54-2 and EN54-4
• UL and FM Approved version also available

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Sigma XT

• Detector alarm threshold: 999  ohms to 400 ohms
• Call point alarm threshold :399 ohms to 100 ohms
• Short circuit threshold: 99 ohms to 0 ohms
• Head removal condition :15.5 to 17.5 volts
• Cabling :FP200 or equivalent
• Monitored inputs normal threshold :8K ohms to 1K ohm
• Monitored inputs alarm threshold: 999 ohms to 100 ohms
• Monitored inputs Short circuit threshold :99 ohms to 0 ohms
• Status unit/Ancillary board connection :Two wire RS485 connection
• Status unit power output :Fused at 500mA with electronic fuse

• Approved and certified to EN12094-1, EN54-2and EN54-4
• UL and FM Approved version also available