Appleton 737 Series Adaptors and Reducers, Nickel Plated Brass

Appleton 737 Series Adaptors and Reducers, Nickel Plated Brass

Appleton 737 Series increased safety and flameproof adaptors and reducers connect cable entry devices and equipment that have dissimilar threads, making them a go-to solution for hazardous area electrical work. Standard units are constructed of nickel plated brass, with optional copperfree aluminum, brass, or 316L stainless steel available for demanding environments. The 737 Series carries triple certification — Ex d/Ex e/Ex nR — and an IP66/68 ingress rating, delivering a reliable, code-compliant thread conversion for panels, enclosures, and cable gland assemblies.

Key Features

• Thread Conversion: Connects cable entry devices and equipment having dissimilar threads across a wide range of adaptor and reducer configurations.
• Durable Construction: Standard nickel plated brass construction for corrosion resistance and long-term reliability in hazardous locations.
• Optional Materials: Also available in copperfree aluminum, brass, or 316L stainless steel to match application and environmental requirements.
• Triple Certification: Rated Ex d/Ex e/Ex nR for flameproof, increased safety, and restricted breathing hazardous area applications.
• System Compatibility: Designed to work alongside Appleton cable gland accessories, including shrouds, locknuts, earth tags, entry thread seals, and serrated washers.
• Sealing Integrity: A suitable sealing gasket should be selected and installed where applicable to maintain an effective seal and preserve the enclosure or equipment IP rating.

Certifications & Compliance

• NEC/CEC: Class 1, Group A, B, C, D; Zone 1, AEx de II; IP66/68
• ATEX/IECEx: Zone 1 and 2 – 21 and 22; Ex II 2 GD; IP66/68
• Triple Certification Ex d/Ex e/Ex nR

Technical Specifications

• Refer to manufacturer documentation for complete technical specifications.

Typical Applications

• Hazardous Area Electrical Installations
• Cable Gland and Conduit Entry Systems
• Oil & Gas and Industrial Process Facilities
• Zone 1 and Zone 2 Classified Areas
• Panel and Enclosure Wiring with Mixed Thread Standards

Why Appleton?

Appleton engineers the 737 Series with nickel plated brass as standard and corrosion-resistant material options for tougher environments, backed by triple Ex d/Ex e/Ex nR certification and an IP66/68 rating. For electrical professionals working in classified hazardous locations, that combination of material choice and third-party certification supports dependable, code-compliant installations where mismatched threads would otherwise compromise the enclosure seal.