GST I-9403 Intelligent Sounder/Visual Indicator

The GST I-9403 is an addressable intelligent sounder strobe for GST fire alarm systems. On command from the control panel it gives a loud audible alarm and a high-intensity LED visual warning to help evacuate the building. It can be powered from the loop or from an external 24V DC supply.

Key features

• 16 programmable alarm tones plus pre-alarm tone
• Optional Evacuate + Alert mode using two addresses
• High-intensity LED cluster strobe
• Light or sound output can be switched off for special applications
• Loop powered (up to 20 per loop, power-saving mode) or external 24V DC powered
• Two-part design with base-mounted terminals for easy installation; optional C-94DB deep base for surface cabling
• Electronically addressed with the P-9910B handheld programmer
• EN 54-3; LPCB certified
• Compatible with GST100, GST200-2, GST200N and GST-IFP8 panels

Technical specifications

• Operating voltage: loop 24V (20V to 28V); external power 24V (20V to 28V)
• Maximum sound level at 1m (external 24V, normal mode): tone 14 86dB, tone 16 84dB, pre-alarm 76dB
• Address range: 1 to 242
• Recommended cabling: 1.5mm² or above fire cable
• Operating temperature: -10°C to +50°C; humidity ≤95% non-condensing
• Protection: IP33
• Dimensions: 110 x 95.9mm (shallow base)
• Weight: approx. 327.2g (shallow base)
• Enclosure: ABS