• UL standards: UL1682, UL98 (NSR only)
• UL standards: UL1682, UL489 (NBR only)
• CSA (NBR only)
• NEMA 3, 3R, 4*, 4X*, 12

*30 and 60A Style 2 only.

• Enclosures are made of Krydon high impact strength fiberglass-reinforced polyester material having excellent resistance to corrosion and heat
• NBR receptacles are mechanically interlocked with circuit breakers which provide a disconnect means, short circuit protection and thermal time delay overload protection
• NSR switches are NEMA type HD heavy duty 3-pole, enclosed blade; a quick make and break mechanism with reinforced, positive pressure type blade and jaw construction; fusible switches have fuse clips with steel reinforcing springs
• For maximum safety, the spring door receptacle at the bottom is mechanically interlocked with the switch operating mechanism; the switch cannot be closed until the plug is fully inserted and the plug cannot be withdrawn unless the switch is open
• Switch enclosure access door is mechanically interlocked with switch and cannot be opened unless switch operator is in OFF position
• Enclosure access door is mechanically interlocked with operating handle and cannot be opened unless operating handle operator is in OFF position
• Enclosure has hinged access door for easy wiring and maintenance; three screws, located behind access door in door frame, prevent disassembly when door is locked
• Receptacle has self-closing spring door assembly to provide environmental protection
• Mounting feet may be rotated 90° to horizontal or vertical mounting positions
• Switch operating handle may be padlocked in the OFF position, preventing unauthorized operation of the switch

• Enclosure, covers and operating handles – Krydon fiberglass-reinforced polyester
• Operating shafts – stainless steel
• Receptacle housings – copper-free aluminum
• Receptacle insulators – Krydon
• Crimp/solder contacts – leaded red brass