- Description
- Technical Data
- Resources
- Approvals
Description
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The IS-mC1 is a compact, combined, intrinsically safe 100dB(A) alarm sounder and L.E.D. beacon – only one Zener barrier or galvanic isolator required to run both sounder & beacon or alternatively the unit can be operated as individual signals.
Technical Data
| Alarm sounder: | |
|---|---|
| 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 | L.E.D. Beacon: |
| Light source | Array of 6 high intensity L.E.D’s |
| L.E.D. colours | Red, Amber, Blue, Green & Clear |
| Flash modes | Double flash at 2Hz and 1Hz |
| Effective intensity cd | 23cd* – measured ref. to I.E.S. | General: |
| Voltage | 16-28vdc via Zener barrier or galvanic isolator |
| Combined current | Approx. 30mA typical when powered from 24v supply via 28v 300Ω Zener barrier |
| Ingress protection | IP65 |
| Rating | Continuous |
| Enclosure material | UL94V0 & 5VA FR ABS & PC |
| Enclosure colour | RAL3000 Red |
| Fixings | Stainless Steel |
| Cable entries | 2 x M20 clearance gland knockouts. Custom configurations also available. |
| MTBF | 141.63 years / 1,240,694 hours – MIL 217 |
| 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] |
| Weight | 0.44Kg / 0.97Ibs |
Resources
Approvals
- ATEX / IECEx / FM II 1G Ex ia IIC T4 Ga (-40ºC <=Ta<= +60°C) IS Class l, Division 1, Groups A, B, C, D T4 IS Class I, Zone 0, AEx ia IIC T4 Ta = +60°C










