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EXP-A Amplifier  
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Description
Guardian’s EXP-A Explosion Proof Amplifier is designed to deliver safe, reliable, cost effective industrial communications in Class I & II, Division 1 hazardous areas without the need for a paging station.
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Product Features
• Water/dust tight NEMA 4X (IP56) explosion proof enclosure
• Cast aluminum base and faceplate
• Durable powder coat paint
• Power supply 24 VDC or 24/120/240 VAC
• 4 - 16 Ohm speaker compatible
• Approved for Class I, and II, Division 1 areas
• Can be upgraded to complete station by changing the faceplate
• Monitors ambient noise and adjusts speaker volume automatically
• Removable screw and plug combicon connectors allow for ease of installation
 
Applications
This product is designed for use in locations with the highest hazardous area classification such as:
• Mines
• Grain Processing and Similar Industries
• Chemical Plants
• Power Generation Facilities
• Refineries
• Fertilizer Plants
• Drilling Rigs
• Food Processing Plants
• Defense Installations
• Sewage Plants
• Cement Plants
• Construction Sites
• Bulk Loading Stations
• Breweries & Distilleries
• Pulp & Paper Mills
• Pharmaceutical Plants
and more . . .

Standard Compliance
• CSA Compliance (Canada and United States)
• Class 4818 02 – Signal Appliances – Audible – For Hazardous Locations
• Class 4818 82 – Signal Appliances – Audible – For Hazardous Locations
• Certified to US Standards
• Class l, Div. 1, Groups B, C and D; Class ll, Div. l, Groups E, F and G
• Canada: Class l Zone 1 Ex d llB+H2 T5
United States: Class l Zone 1 AEx d llB+H2 T5;
• Class ll Zone 21