IS-mA1 IS-minialarm
The IS-mA1 is a compact, 100dB(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-mA1 is suitable for all intrinsically safe signalling applications including fire, security and process control.
The IS-mA1M version is also available for Group I mining environments.
Features:
• Input overload and reverse current protection
• End of line resistor certified
• Auto synchronised sound output
• Available with custom tone configurations and frequencies.
Approvals:
• ATEX certificate: SIRA05ATEX2084X, EN 60079-0 : 2006, EN 60079-11 : 2007, EN 60079-26 : 2007
• IECEx certificate: IECEx SIR 06.0045X, IEC 60079-0 : 2007, IEC 60079-11 : 2006, IEC 60079-26 : 2006
• FM approved: Class 3600 1998, Class 3610 1999, Class 3810 2005
• VdS approved to EN54-3 (CPD 89/106/EEC)
• GOST-R certificate: POCC GB.JB05.B02205
Part codes:
IS-mA1-R
ATEX / IECEx / FM
II 1G Ex ia IIC T4 Ga (-40ºC <=Ta<= +60°C)
IS Class I, Zone 0, AEx ia IIC T4
IS Class l, Division 1, Groups A, B, C, D
GOST-R
0ExiaIICT4 IP65 -40° to +60°C
ATEX [Group I]
IS-mA1M-R
I M1 Ex ia I Ma (-40ºC <=Ta<= +60°C)
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: | 100dB(A) @ 1m +/- 3dB - Tone 2* |
| No. of tones: | 49 (UKOOA/PFEER compliant) |
| No. of stages: | 3 |
| Volume control: | Max. 100dB(A); Min. 90dB(A) - Tone 2 |
| Effective range: | 40m @ 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: | IP65 |
| Rating: | Continuous |
| Housing material: | UL94V0 & 5VA FR ABS |
| Housing colour: | RAL3000 Red |
| 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 |