IS-mA1-R Intrinsically Safe minialarm Sounder - Red

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.

• Input overload and reverse current protection
• End of line resistor certified
• Auto synchronised sound output
• Available with custom tone configurations

ATEX / IECEx / FM
	II 1G Ex ia IIC T4 Ga (-40°C <=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

Specification

Nominal output:	100dB(A) @ 1m +/- 3dB - Tone 2*[91dB(A) @ 10ft/3m]
No. of tones:	49 (UKOOA/PFEER compliant)
No. of stages:	3
Volume control:	Max. 100dB(A); Min. 90dB(A) - Tone 2
Effective range:	40m/131ft @ 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 [-40 to +140°F]
Storage temp:	-40° to +70°C [-40 to +158°F]
Relative humidity:	90% at 20°C [68°F]