VILMA 55
ELECTROMECHANICAL CIVIL PROTECTION / AIR RAID WARNING SIRENS
VILMA 55 Advantages
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Designed and manufactured vertically in our premises in EU
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Complying with PSEA norms of the Hellenic Civil Protection Ministry, as well as global norms
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ISO 9001 certified
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A robust and rugged electromechanical siren, with no sensitive electronic circuits
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Very easy and quick installation
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Produces a distinctive deep, loud, and clear 420 Hz sound of triangular waveform which can travel and be recognized many kilometers away
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Very reliable with an extremely long lifecycle due to its simple structure and its rugged construction which makes the siren almost maintenance-free
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Voltage fluctuations, lightnings, severe weather cannot affect VILMA55’s function and performance
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Its vertical design with the special protective roof – resonator allows a 360ο sound propagation (omni-directional) covering very large areas
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Ideal for densely populated cities where circulation noise and compact building can block sound propagation, as its sound can penetrate everywhere
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One and only siren can cover large areas, whereas other siren types would demand more installations at the same cost per unit
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VILMA 55 siren is covered by a long-term warranty
Features & General Specs
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Motor Type
THREE PHASE SQUIRREL CAGE INDUCTION MOTOR
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Motor Data
5,5 kW, Δ CONNECTION, 50Hz, 2860 RPM, Vertical Mounting, IP 55, AMPS 10,5
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Nominal Voltage
400 V
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Sound Frequency
420 Hz
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Sound Pressure
- 100 - 105 dB @30M [132 dB(A) @1M]
- 90 - 95 dB @60M
- 81 - 85 dB @120M
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Audible Range
- 4,5 km with calm
- 6 km with wind
- 3 km against wind
VILMA 55X
HAND OPERATED CIVIL PROTECTION / AIR RAID / INDUSTRIAL WARNING SIRENS
VILMA 55X is used as a back-up siren along with the electromechanical VILMA 55 in case of a power cut, but can also be used for industrial and construction sites notifications.
Features
- No power supply required
- Robust and compact for portability
- Powerful low frequency sound
- Universally recognised signal
- Shutter mechanism to provide three or more signals
- 120 dB(A) @1 M
Applications