آژیر IS-mA1 IS-minialarm

IS-mA1 IS-minialarm
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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.

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]

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