This audio-visual indicator is DIN rail mountable and permits a clear warning that the metal oxide varistor components within a Surge Protection Device (SPD) have failed.
The device connects to the remote monitor outputs of the SPD, where provided, and can be powered by the mains supply (WSP-AVI-011) or battery (WSP-AVI-010) whichever is appropriate.
Fitted with an on-board Mute button which allows the audio to be switched off for convenience during maintenance.
Features and Benefits:
- Simple to install.
- On-board mute button.
- Battery life typically >5 years.
Earth Electrode Systems
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Our team of highly experienced professional Engineers & Technicians design Lightning Protection Systems (LPS) to the IEC 62305 standard or local derivative.
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A. N. Wallis are able to offer earth electrode system designs and associated testing services using the most up-to-date equipment and design software ‘CDEGS’.
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