The GNExS2H is a very high output 127dB(A) IECEx and ATEX certified alarm horn sounder featuring an enhanced re-entrant flare horn. The robust GRP (glass reinforced polyester) enclosure is approved for Zone 1 & Zone 2 explosion proof signalling applications.
The GNExS2F is a high output IECEx and ATEX certified alarm horn sounder
featuring a re-entrant flare horn. The robust GRP (glass reinforced polyester)
enclosure is approved for Zone 1 & Zone 2 explosion proof signalling
applications.
Featuring 64 alarm tone sounds, each of the available 4 stage/channels can be remotely triggssssered. Class D amplification provides a high sound output with a choice of two power modes. The threaded flameproof joint, multiple cable entries and duplicated, pluggable termination simplifies both installation and routine maintenance. SIL1 & SIL2 Route 2H compliant to IEC61508 (2010) as standard.
Features
- UL 464 (Ed 11) Audible Signaling Devices for Fire Alarm
- CAN/ULC-S525 (Ed 5) Audible Signaling Devices for Fire Alarm
- Maximum sound pressure level output of 126dB(A)
- Choice of 64 alarm tone frequencies
- 4 remotely selectable alarm stages/channels
- Positive or negative line stage/channel switching
- Automatic synchronisation on multi-sounder system
- Ratchet adjustable 316 stainless steel bracket
- Triple cable entries
- Available with custom tone configurations and frequencies
- Robust corrosion proof GRP (glass reinforced polyester) enclosure
Approvals
- ATEX certificate: SIRA 13ATEX1139X
- IECEx certificate: IECEx SIR 13.0029X
- UL certificate: E549307
- TR-CU Ex EAC certificate: RU C-GB.AA71.B.00109
- INMETRO IEx 20.0050X
- SIL1 & SIL2 compliant to IEC61508 (2010)
Coding
IECEx / ATEX
- II 2G Ex db IIC T3 Ta. -60°C to +58°C (T4: +50°C)
- II 2G Ex db IIB T5 Ta. -60°C to +58°C (T6: +50°C)
NEC Class Div (24Vdc model)
- CI Div 2 ABCD T3 Ta -40°C to +58°C (T4: +50°C)
- CI Div 2 CD T5 Ta -40°C to +58°C (T6: +50°C)
NEC Class I Zone 1 (24Vdc model)
- AEx db IIC T3 Gb Ta -40°C to +58°C (T4: +50°C)
- AEx db IIB T5 Gb Ta -40°C to +58°C (T6: +50°C)
CEC Class I Zone 1 (24Vdc model)
- Ex db IIC T3 Gb Ta -40°C to +58°C (T4: +50°C)
- Ex db IIB T5 Gb Ta -40°C to +58°C (T6: +50°C)