Intrinsically Safe Alarm Horn Sounder Tomar E2xS1F


Tomar Electronics hazardous area E2xS1F alarm horn sounder is UL/cULs approved for Class I Div 2 and Class II Div 2, as well as IECEx and ATEX, certified for Zone 2
and 22 applications.


ATEX Rating

Hazardous Area Rating



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Intrinsically Safe Alarm Horn Sounder Tomar E2xS1F


• Automatic synchronization on multi-sounder system.
• Continuously rated.
• Large termination area.
• Stainless steel fixings.
• Ratchet adjustable stainless steel ‘U’ bracket for 360° positioning.
• Duplicate cable terminations (in & out for
daisy-chain installations)

Introducing Intrinsically Safe Alarm Horn Sounder Tomar E2xS1F

With a nominal sound level output of 116dB(A) at 1 meter and a choice of 45 alarm tones and 3 remotely selectable stages, the E2xS1F alarm sounder horn is suitable for all general signaling duties. The E2x range features enclosures manufactured from lightweight,
corrosion-proof PPS and high impact, fire-retardant ABS re-entrant flare horns; both of which are suitable for the harshest of environments


Maximum output
116dB (A) @ 1 meter [107dB (A) @ 10ft/3m]
Nominal output
113dB (A) @ 1m +/- 3dB - Tone 2 [104dB (A) @ 10ft/3m]
No. of tones
45 (UKOOA/PFEER compliant)
No. of stages
Volume control
Max. 113dB (A); Min. 105dB (A) - Tone 2
Effective range
100m/328ft @ 1 KHz
Voltages DC
24Vdc (10-30Vdc); 48Vdc
Voltages AC
115Vac; 230Vac
Ingress protection
IP rating per EN60079-0:IP64
IP rating per EN60529:IP66
Type rating per UL50E/NEMA250:4/4X/13
Enclosure materialUL94V0 PPS & ABS
Cable entries
2 x 1/2"NPT, Nylon stopping plugs
0.5 - 2.5mm² (20-14 AWG)
Line monitoring
Blocking diode included
EOL can be factory fitted
Operating Temp
-20 to +55°C [-4° to +131°F]
Storage Temp-40 to +70°C [-40° to +158°F]
Relative humidity
90% at 20°C [68°F]
DC: 2.5kg/5.5Ibs AC: 3.00kg/6.6Ibs

*SPL data +/-3dB (A). Measured at optimum voltage



• ATEX Certificate: DEMKO 06 ATEX 0421554X
• IECEx Certificate: IECEx ULD 14.0012X
• UL/cUL File ref: E230764
• Safety-integrity level: SIL1


II 3G Ex nA IIC T4 Gc Ta -20°C to +55°C
II 3D Ex tc IIIC T85°C Dc Ta -20°C to +55°C
• NEC Class / Zone ratings US:
Class I Zone 2 AEx nA IIC T4 Gc Ta -20°C to +55°C
Zone 22 AEx tc IIIC T85°C Dc Ta -20°C to +55°C
• CEC Class / Zone ratings Canada
Ex nA IIC T2 Gc Ta -20°C to +55°C
Ex tc IIIC 85°C Dc Ta -20°C to +55°C
• NEC & CEC Class / Division Ratings for US / Canada
Class I, Div 2, ABCD T3C Ta -20°C to +55°C
Class I, Div 2, ABCD T4 Ta -20°C to +40°C
Class II, Div 2, FG T6 Ta -20°C to +55°C
Class II, Div 2, FG T6 Ta -20°C to +55°C


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