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E2S IS-A105N-R sounder ATEX/IECEx/FM, IP66, red

E2S

E2S IS-A105N-R sounder ATEX/IECEx/FM, IP66, red

Product code 42073

Intrinsically safe (Ex ia) sounder for zone 0 hazardous areas. Sound level 105 dB(A), 49 selectable tones and an IP66 enclosure; red.

  • 105 dB(A) / 1 m, audible range 60 m (1 kHz)
  • ATEX, IECEx and FM: Ex ia IIC T4 Ga, zone 0
  • 49 tones, 3 alarm stages, volume control
  • Powered via a Zener barrier or galvanic isolator
  • IP66, operating temperature −40…+60 °C
  • Dual terminals for daisy-chaining, 2 × M20 cable entries

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Product description

E2S IS-A105N is a powerful, intrinsically safe (Ex ia) sounder certified to ATEX, IECEx and Ex EAC for zone 0 applications and FM-approved for Class I, Division 1 and Class I, Zone 0 applications. It is suitable for all intrinsically safe alarm applications, such as fire alarm systems, security systems and process control. This model is red (RAL 3000).

Operation

The nominal sound output is 105 dB(A) at 1 metre, with an audible range of approximately 60 m (1 kHz). There are 49 tones (UKOOA/PFEER compatible), and each can be switched externally to a second or third alarm stage. The volume is adjustable in the range 96–105 dB(A). The tones of multiple sounders synchronise automatically. The input is protected against overload and reverse polarity.

Installation and power supply

The sounder is powered via a certified Zener barrier or galvanic isolator (16–28 V DC) whose output parameters do not exceed Uo 28 V, Io 93 mA and Po 660 mW. Typical current consumption is 25 mA with a 24 V supply and a 28 V / 300 Ω barrier. Dual terminals allow the line to be daisy-chained, and the enclosure has two M20 cable entries with stopping plugs. The unit is fixed either by its external lugs or by internal BESA-compatible fixing points; the fixings are stainless steel. According to the instruction manual, the sounder can be used together with the intrinsically safe IS-L101L beacon.

Technical data

Product code
42073
Manufacturer
E2S
Product group
Fire alarm systems › Field devices › Alarm devices
Colour
Red (RAL 3000)
Dimensions
154 × 144.1 × 135.6 mm
Weight
0.75 kg
ATEX certificate
Sira 04ATEX2301X
IP rating
IP66
ATEX classification
II 1G Ex ia IIC T4 Ga (−40 °C ≤ Ta ≤ +60 °C)
IECEx certificate
IECEx SIR 04.0038X
FM approval
IS Class I, Division 1, Groups A, B, C, D T4; Class I, Zone 0, AEx ia IIC T4
Sound output
105 dB(A) / 1 m ±3 dB (tone 2), adjustable 96–105 dB(A)
Audible range
60 m (1 kHz)
Tones
49 (UKOOA/PFEER), 3 alarm stages
Operating voltage
16–28 V DC via a Zener barrier or galvanic isolator
Current consumption (alarm)
25 mA typical (24 V, barrier 28 V / 300 Ω)
Ex supply parameters
Uo ≤ 28 V, Io ≤ 93 mA, Po ≤ 660 mW
Material
Flame-retardant ABS (UL94 V0 & 5VA)
Operating temperature
−40…+60 °C
Humidity
90% RH (+20 °C)
Connection
Terminals 0.5–2.5 mm², 2 × M20 entries (blanking plugs included)
MTBF
227.4 years (MIL 217)

Documents

Original manufacturer documents (PDF).

Technical datasheets

Installation guides

Certificates and declarations

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