E2S STExL1F Explosion Proof Loud-Speakers

E2S STExL1F Explosion Proof Loud-Speakers


E2S STExL1F Explosion Proof Loud-Speakers for Hazardous Area Signalling Applications

The STExL1F are high output, 113dB(A) PA Explosion Proof Loud-Speakers with a re-entrant flare horn. The high output driver in a robust IP66 corrosion proof 316L stainless steel enclosure ensure the STExL1F is suitable for all Zone 1, 2, 21 & 22 explosion proof applications. Available with 70 or 100V line transformer or as low impedance versions, all models have triple cable entries, and large termination areas. The termination chamber and cover feature a threaded flameproof joint simplifying both installation and routine maintenance.


  • Operational Characteristics: 
– 15W loud speaker.
– Ex d IIC zone 1, 2, 21 & 22 (IECEx).
– Available with 8 or 16 ohm impedance or with 100V line transformer.
– 70/100V line tappings.
– Power: 15W RMS.
– Sound Output: Max: 113dB @ 15W @ 1m.
– Low Impedance: 8 or 16 ohms.
– 100V line tappings: 15W/7.5W/3W/1W.
– Dispersion: 120 degrees @ 1kHz, 32 degrees @ 4kHz.
– Frequency Range: 400Hz to 8kHz.
– Line Monitoring: 2.2uF (transformer version), 470uF (impedance version).
– Protection Rating: IP66.
– Temp Rating (degrees Celsius): -50 to +70.
– Duty: Continuous.
– Cable Entry: 3 x M20 ISO (two stopping plug included).
– Construction: 316L stainless steel housing and mounting bracket, ABS flare.
– Approval: Ex db IIC Gb T6 (max ambient temperature +55 degrees Celsius), Ex db IIC Gb T5 (max ambient temperature +70 degrees Celsius), Ex tb IIIC Db T95 degrees Celsius.
– Certificate: IECEx ULD 16.0017X.
– Weight: 6.25kg.


Order Code  Description
ESSR6608X  8 ohm impedance.
ESSR6616X  16 ohm impedance.
ESSR6620X  70/100V line impedance.


(please see attached PDF’s for further information)