103540 appears to be associated with a CEAG hazardous area electrical product, likely part of the Crouse-Hinds series by Eaton. These are typically IEC 60309-compliant plugs and receptacles designed for use in Zone 1, 2, 21, and 22 environments — meaning they’re built for explosive atmospheres with high safety standards.

Key Features of CEAG IEC 60309 Receptacles

• Rated Current: 16 A to 125 A
• Voltage Range: Up to 690 V AC
• Protection Class: IP66 — dust-tight and protected against powerful water jets
• Explosion Protection:
  • II 2 G Ex de IIC T6
  • II 2 D Ex tD A21 IP66 T80 C
• Material: Glass-fiber reinforced polyester for high durability
• Cable Entry: Typically M25 to M50 glands depending on current rating
• Certifications: ATEX and IECEx compliant