Eaton T0-3-8280/E 3-Pole Cam Switch, 20 A, 690 V, 3 Positions, IP65 Front, Screw Terminals 034106

On a busy packaging line, a maintenance technician reaches for the Eaton T0-3-8280/E to swap out a worn rotary switch. This 3-pole cam switch handles up to 20 A at 400 V AC-21A and 690 V rated operational voltage, making it a robust choice for controlling motors, heaters, and auxiliary circuits. Its compact 48 x 48 mm front plate fits standard panel cutouts, while the IP65 front protection shrugs off dust and water jets—ideal for industrial environments.

Key specifications

• Switch type: Cam switch / rotary switch, 3-pole
• Rated operational current: 20 A (AC-21A, 400 V)
• Rated operational voltage: 690 V AC
• Rated insulation voltage: 690 V
• Rated impulse withstand voltage: 6 kV
• Switching angle: 60°
• Switching positions: 3 (program 8280)
• Mounting: Front mounting (flush)
• Degree of protection: IP65 front, IP20 terminals
• Terminals: Screw terminals
• Standards: IEC/EN 60947-3, VDE 0660
• Ambient operating temperature: -25 to +50 °C
• Front plate dimensions: 48 x 48 mm
• Mechanical life: 0.5 x 10⁶ operations
• Electrical life: 0.2 x 10⁶ operations (AC-21A, 400 V)

Why choose it

The T0-3-8280/E delivers reliable switching in a compact footprint. Its high insulation and impulse ratings ensure safety in demanding electrical installations. The IP65 front seal means it can be mounted where washdowns or dust are present, while the screw terminals provide secure, maintenance-friendly connections. Compliance with IEC/EN 60947-3 and VDE 0660 gives you confidence in its performance and longevity.

Ideal use cases

• Motor control circuits in industrial machinery
• Heating and lighting control panels
• Auxiliary circuit switching in switchgear
• Manual control stations requiring robust rotary switches

Good to know

Installation is straightforward: the switch mounts from the front with a standard 48 mm panel cutout and is secured with a locking ring (not included). The 60° switching angle and 3-position program 8280 provide clear tactile feedback. For replacement or new builds, this Eaton switch is a dependable component that keeps operations running smoothly.