SDC EP499 Series Explosion Proof Mushroom Button Exit Switch with Class I Zone 1 Certification

SDC EP499 Series Explosion Proof Mushroom Button Exit Switch with Class I Zone 1 Certification

Hazardous Location Exit Switch for Chemical Plants and Refineries

The SDC EP499 Series explosion proof mushroom button exit switch is specifically engineered for hazardous environments where flammable vapors pose safety concerns, including clean rooms, chemical plants, and refinery facilities. This certified exit switch eliminates sparks and arcing through explosion-protected contact blocks and features a 1-1/2"; mushroom button with impact-resistant non-metallic antistatic construction. Rated for Class I Zone 1 and Division 2 applications with IP66 protection and maximum ambient temperature of 150�F (60�C).

Professional Features & Benefits

• Explosion Proof Certification: Class I Zone 1 AEx de IIC T6...T4 Gb and Class I Division 2 Groups A, B, C, D certification for safe operation in hazardous atmospheres.
• Hazardous Atmosphere Compatibility: Approved for use with acetone, benzene, methyl alcohol, diethyl-ether, and other specified flammable vapors in industrial environments.
• Impact-Resistant Construction: Non-metallic antistatic material with corrosion proof design and F1 UV protection for long-term durability in harsh conditions.
• Temperature Performance: Operating range from -122�F to 140�F with maximum ambient temperature rating of 150�F (60�C) for extreme environment applications.
• Weatherproof Protection: IP66 rating with silicone gaskets on both enclosure and actuator provides superior moisture and contaminant protection.
• Professional Installation Features: Clearance for 3/4"; bottom feed NPT fitting and explosion-protected contact blocks ensure safe and reliable connections.
• Ergonomic Operation: Large 1-1/2"; mushroom button design provides clear visual identification and reliable activation in emergency situations.

Technical Specifications

• Commercial/Residential: Commercial
• Department: Door Hardware
• Electronic: Yes
• PDF:SDC Full Catalog: https://zensupply.com/content/pdf/lcn/CondensedHardwareBrochure
• Product Category: Electronic Access Controls
• Product Dimension: 3.95"; x 4.21"; x 4.16";
• Product Group: Electronic Access Controls
• Product Model: EP499, EP499-R
• Product Subgroup: Sensors, Switches, Relays and Timers
• Product Type: Switches / Push Buttons
• Series: EP499 Series
• Subcategory: Button Exit Switches
• Temperature Range: Minus 122 Degrees F to 140 Degrees F

Professional Applications

• Chemical Processing Plants and Refineries
• Clean Room Facilities
• Pharmaceutical Manufacturing
• Petrochemical Processing Centers
• Industrial Paint and Coating Operations
• Hazardous Material Storage Areas
• Emergency Exit Systems in Explosive Atmospheres

Why Choose SDC Quality?

SDC EP499 Series explosion proof exit switches deliver certified safety performance with impact-resistant non-metallic construction and corrosion-proof materials rated for extreme temperatures from -122�F to 140�F. Multiple hazardous location certifications including Class I Zone 1 and IP66 protection ensure reliable operation in the most demanding industrial environments. Engineered specifically for applications where flammable vapor safety is critical and dependable emergency exit activation is essential.