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Features

  • Max sound output
    100 dB (A) / 1 m
  • IP55 rated as standard
  • 32 selectable tones meeting international regulations
  • Sound selection via DIL switch
  • Stainless steel fixings
  • Monitoring facility

Material

  • Flame retardant ABS enclosure

Approvals & Conformities

ATEX - Logo
Approvals & Conformities
Categories in this range.

Description

YO3IS

Intrinsically Safe Audible Signal – 100 dB (A)

Yodalex range audible signal designed for use in hazardous environments.

This unit must be used in conjunction with an approved Zener Barrier or Galvanic Isolator. This range of products is only to be powered via a correctly rated Zener Barrier or Galvanic Isolator. To power these units up without the correctly rated barrier could damage these products and so void any protection ratings.

Product CodedB at 1 MetreVoltage
YO3/ISC/T4
100 dB12/24v DC
YO3/ISC/T6
100 dB12/24v DC

Power supplyCertified barrier /
isolator parameters
CurrentdB (A) / 1 m
24 V DC28 V / 300 Ω25 mA100 dB (A) / 1 m
18 V DC28 V / 300 Ω19 mA98 dB (A) / 1 m

YO3IS - Technical Diagram
No.Description.Frequency (Hz)ToneSpecial Application
1Alternating800-1000
Fire Alarms
2Alternating2500-3100
Security Alarms
3Alternating (fast)800-1000
Increased urgency
4Alternating (fast)2500-3100
Security deterrent
5Alternating440-554
AFNOR, France (NFS 32001)
6Alternating430-470
7Alternating (v.fast)800-1000
8Alternating (v.fast)2500-3200
9Alternating440-554
Turn-out, Sweden
10Continuous note700
All-clear, Sweden
11Continuous note1000
12Continuous note1000
13Continuous note2300
14Continuous note440
15Interrupted tone1000
16Interrupted tone420
AS2220, Australia
17Interrupted tone1000
18Interrupted tone2500
19Interrupted tone2500
20Interrupted tone700
Pre-vital mess, Sweden
21Interrupted tone1000
22Interrupted tone700
Air-raid, Sweden
23Interrupted tone700
Local warning, Sweden
24Interrupted tone720
Industrial alarm, Germany
25Int,fast,rising volume1400
26Fast siren250-1200
27Rising constant, fall1000
Industrial alarm, Germany
28ISO 8201 Evacuation800-1000
Int’l evacuation alarm
29Fast whoop500-1000
30Slow whoop500-1200
Evacuation, The Netherlands
31Reverse sweep1200-500
Evacuation, Germany
32Siren500-1200

Additional information

Application

Ex Hazardous Area, Industrial, Marine

Certification

ATEX

Current Type

DC

dB

100-110dB

Enclosure Colour

Red

IP Rating

IP 55

Material

Fire Retardent PC/ABS

Maximum Temperature

+55 °C

Minimum Temperature

-25 °C

Nominal Supply Voltage

12/24v, 24v

Number of Tones

32

Zones

Zone 0, Zone 1, Zone 2, Zone 20, Zone 21, Zone 22

Brand

Clifford & Snell

The acquisition of the Clifford and Snell brand in 2019 provided Moflash with the opportunity to expand its product range and portfolio. C&S is a world leader in the design and development of audible and visual signalling products, which includes a comprehensive range of Industrial and Hazardous area sounders, beacons, and combination units. Clifford & Snell offers a comprehensive range of signalling devices addressing a wide variety of applications and industry sectors which include, hazardous areas, industrial & process control, through to fire protection, security, marine, mass evacuation and transportation. As a result of this strategic takeover, the company's product range is now extended making Moflash one of the leading manufacturers of signalling devices.
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