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STExS1R Alarm Horn Sounder

The STExS1R is a high output, 115dB(A) alarm horn sounder with a re-entrant flare horn. Low current consumption and high SPL in a robust IP66 corrosion proof 316L stainless steel enclosure ensure the STExS1R is suitable for all Zone 1, 2, 21 & 22 explosion proof signalling applications.

Featuring 64 first stage/channel alarm sounds which can be selected via an internal switch. The alarm tone frequencies for the first 2 stages are independently selectable. Each tone can be remotely triggered e.g. via an external relay, to change to a second, third or fourth stage/channel alarm sound. The enclosure features a threaded flame path, triple cable entries and a large termination area - all of which significantly reduce installation time.

Specification

 
Maximum output: 115dB(A) @ 1 metre [107dB(A) @ 10ft/3m]
Nominal output: 110dB(A) @ 1m +/- 3dB - Tone 2 [103dB(A) @ 10ft/3m]
No. of tones: 64 (UKOOA / PFEER compliant)
No. of stages: 4
Volume control: Adjustable -12dB(A) [Tone 2]
Effective range: 125m/410ft @ 1KHz
Voltages DC: 24V dc (10-30V dc)
Voltages AC: 110-240V ac 50/60Hz
Stage switching: DC units: negative or positive
AC units: common supply line
Ingress protection: EN60529: IP66
Enclosure matl: 316L Stainless Steel
Enclosure finish: Chromated & powder coated
Colour: RAL3000 Red
Cable entries: 3 x M20 ISO (2 x stopping plugs included as standard)
Adaptors to M25, 1/2" & 3/4" NPT can be specified
Terminals: 0.5 - 2.5mm² (20-14 AWG)
Enclosure volume: <2 litres
Line monitoring: Blocking diode included
EOL Min. 500 Ohm 2w, or 3k3 Ohm 0.5w resistor
or diode (DC versions) can be fitted
Grounding stud: M5
Temperature range: -50° to +70°C (-58°F to +158°F)
Relative humidity: 95% - Additional tropicalisation is recommended for applications where both high relative humidity and high ambient temperatures exist
Weight: 6.00kg/13.22lbs

Part Codes

Version: Part code:
Product type: STExS1
Horn type: R Radial horn
Voltage: DC024
AC230
10-30V dc
110-240V ac
Cable Entry Type:[e]






Note:
A
B
C
D
E
F
G
3 x M20x1.5mm
2 x 1/2" NPT - adaptors
2 x 3/4" NPT - adaptors
2 x M25x1.5mm - adaptors
1 x 1/2" NPT - adaptor
1 x 3/4" NPT - adaptor
1 x M25x1.5mm - adaptor
M20 stopping plugs for unused
entries supplied with all options
Adaptor/Stopping
plug material: [m]
B
N
S
Brass
Nickel Plated
Stainless Steel (standard)
Bracket material: [s] 1
2
3
4
A2 304 Stainless Steel
A4 316 Stainless Steel (default)
A2 304 St/St with Equip. Tag
A4 316 St/St with Equip. Tag (304)
Product version: [v] A1 Group II 2G/D Zone 1, 2, 21 & 22
Enclosure colour: [x] R Red RAL3000

Alarm sounder

Version: Voltage: Current:
10-30V dc 24V dc 217mA
110-240V ac 50/60Hz 115V ac 77mA
110-240V ac 50/60Hz 230V ac 53mA

Coding

  • Ex db IIC Gb T6 Ta -50°C to +65°C
  • Ex db IIC Gb T5 Ta -50°C to +70°C
  • Ex tb IIIC Db T85°C Ta -50°C to +70°C