Eaton TM-2-8550/E 3-Pole Rotary Disconnect Switch, 20 A, 690 V AC, IP65, Black 020300

In industrial and commercial electrical installations, safely isolating circuits for maintenance or emergency shutdown is critical. The Eaton TM-2-8550/E rotary disconnect switch provides a robust, manually operated solution for switching and isolating three-phase loads up to 20 A. Its compact design and front-panel mounting make it suitable for machine control panels, distribution boards, and motor control centers where reliable power disconnection is essential.

Who is it for

This switch is intended for electricians, panel builders, and maintenance engineers who need a dependable main switch or disconnect device for industrial equipment, HVAC systems, pumps, and other three-phase machinery. It is also suitable for OEMs integrating safety isolation into their equipment enclosures.

Main features

• 3-pole rotary switch with 2 positions (ON-OFF) and 90° switching angle for clear, positive operation.
• Rated at 20 A continuous current (Iu) and 690 V AC operational voltage, suitable for a wide range of industrial applications.
• Front panel mounting with IP65 protection on the front, ensuring resistance to dust and water jets.
• Black rotary knob/handle for ergonomic manual actuation.
• Screw terminals provide secure and vibration-resistant connections.
• Complies with IEC/EN 60947 and VDE 0660 standards, ensuring safety and performance.

Specifications

• Switch type: Rotary main switch / disconnect switch
• Number of poles: 3
• Rated continuous current (Iu): 20 A
• Rated operational voltage (Ue): 690 V AC
• Switching positions: 2 (ON-OFF / 1-0)
• Switching angle: 90°
• Mounting type: Front panel mounting
• Degree of protection (front): IP65
• Connection type: Screw terminals
• Actuator type: Rotary knob / handle
• Actuator colour: Black
• Rated power (AC-23A, 400V): 5.5 kW
• Rated power (AC-3, 400V): 4 kW
• Rated impulse withstand voltage (Uimp): 6 kV
• Rated insulation voltage (Ui): 690 V
• Short-circuit withstand current (Icw): 320 A (1s)
• Standards compliance: IEC/EN 60947, VDE 0660
• Operating temperature range: -25 to +50 °C

Tips

Ensure the switch is installed by a qualified electrician and that the panel cutout matches the manufacturer's specifications. For outdoor applications, use an enclosure with appropriate IP rating for the rear terminals. Regularly inspect connections for tightness to maintain safe operation.