The 541B‑BOX from Cooper Wiring Devices (Eaton Wiring Devices) is a durable, surface‑mount single‑pole toggle switch designed for residential, commercial, and light‑industrial applications. With a rugged polycarbonate housing, screw‑terminal connections, and compatibility with multiple load types, this switch is an excellent solution for installations where surface‑mount wiring is required or preferred.

Its heavy‑duty construction, smooth toggle action, and wide load compatibility make it suitable for controlling lighting, fans, motors, and a wide range of electrical loads including LED, CFL, incandescent, halogen, ELV, and MLV systems.

Key Features

• Surface‑mount design for installations without an electrical box cutout.
• Single‑pole ON/OFF toggle function for straightforward circuit control. 
• Compatible with multiple load types, including:
  • Motor control
  • Fans
  • LED
  • Incandescent
  • Fluorescent (FLR)
  • Halogen
  • ELV & MLV low‑voltage lighting
  • CFL lamps
• Durable polycarbonate housing for long‑lasting mechanical and electrical performance. 
• Screw‑terminal connections for secure, reliable wiring.
• Brown finish compatible with traditional electrical hardware aesthetics.

Specifications

• Manufacturer: Cooper Wiring Devices (Eaton Wiring Devices)
• Model: 541B‑BOX
• Type: Toggle switch
• Mounting: Surface mount (no box recess required) 
• Voltage Rating: 120V AC 
• Circuit Type: SPST (Single Pole, Single Throw) 
• Load Capability: Supports motor, fan, LED, CFL, incandescent, halogen, fluorescent, ELV, MLV circuits. 
• Material: Polycarbonate body 
• Connector Type: Screw terminals 
• Dimensions:
  • Length: 5 in
  • Height: 1.5 in
  • Width: 1.85 in
• Color: Brown 
• Certifications: cULus Listed 

Applications

The 541B‑BOX is ideal for:

• Surface‑mounted lighting control in residential and commercial spaces.
• Basements, workshops, and utility areas where box‑in‑wall wiring isn’t practical.
• Motor and fan control for small appliances and equipment.
• Retrofit projects requiring exposed‑surface wiring devices.
• Industrial or maintenance environments needing durable, reliable switching in accessible locations.