IS-A105N Alarm Sounder
with ø25mm clearance hole suitable for an M25 gland
The IS-A105N is a high output, 105dB(A) alarm sounder. Approvals include ATEX, IECEx and GOST-R for Zone 0 applications and FM approval for Class I Division 1 and Class I Zone 0 applications.
The IS-A105N is suitable for all intrinsically safe signalling applications including fire, security and process control.
Features:
• Input overload and reverse current protection
• Auto synchronised sound output
• Unit can be mounted using external lugs or internal
BESA compatible fixing positions.
• Duplicate cable terminations
(in & out for daisy-chain installations).
• Available with custom tone configurations and frequencies.
Approvals:
• ATEX certificate: SIRA 04ATEX2301X,
EN 60079-0 : 2006, EN 60079-11 : 2007,
EN 60079-26 : 2007
• IECEx certificate: IECEx SIR 04.0038X,
IEC 60079-0 : 2007, IEC 60079-11 : 2006,
IEC 60079-26 : 2006
• FM approved:
Class 3600 1998, Class 3610 1999,
Class 3810 2005, IEC 60529 : 1989
• GOST-R certificate: POCC GB.JB05.B02205
Part codes:
IS-A105N-[x]
ATEX / IECEx / FM
II 1G Ex ia IIC T4 Ga (-40ºC <=Ta<= +60°C)
IS Class I, Zone 0, AEx ia IIC T4 Ta = +60°C
IS Class l, Division 1, Groups A, B, C, D T4
GOST-R
0ExiaIICT4 IP66 -40° to +60°C
[x] : Housing colour: R: Red G: Grey W: White
May be powered from any certified Zener barrier or galvanic isolator whose output parameters do not exceed :
Uo : 28VDC Io : 93mA Po : 660mW
Specification:
Nominal output: 105dB(A) @ 1m +/- 3dB - Tone 2*
No. of tones: 49 (UKOOA/PFEER compliant)
No. of stages: 3
Volume control: Max. 105dB(A); Min. 96dB(A) - Tone 2
Effective range: 60m @ 1KHz
Voltage: 16-28vdc via Zener barrier or galvanic isolator
Current: 25mA typical when powered from 24v supply via 28v 300 Ohm Zener barrier
Ingress protection: IP66
Rating: Continuous
Housing material: UL94V0 & 5VA FR ABS
Housing colour: RAL3000 Red, RAL7038 Grey and White
Fixings: Stainless Steel
Cable entries: 2 x M20 clearance gland knockouts.
Custom configurations also available.
Terminals: 0.5 to 2.5mm²
Operating temp: -40° to +60°C
Storage temp: -40° to +70°C
Relative humidity: 90% at 20°C
Weight : 0.75kg
*SPL data +/-3dB(A). Measured at optimum voltage.