EATON T0-2-1/I1 165628

Eaton T0-2-1/I1 20A Main Switch

Description

The Eaton T0-2-1/I1 is a robust 3-pole main switch, also suitable for use as an ON/OFF switch with emergency stop functionality. It features a highly visible red rotary handle and a yellow locking ring, ensuring quick identification in critical situations. Designed for rear mounting (I1), this switch is a reliable component for industrial machinery control and circuit disconnection. It is rated for a continuous thermal current (Ith) of 20A and a maximum operational voltage of 690V AC.

Specifications

• Manufacturer: Eaton
• Type: T0-2-1/I1
• Part Number: 165628
• Rated Uninterrupted Current (Iu): 20 A
• Rated Operational Voltage (Ue): 690V AC
• Number of Poles: 3
• Actuator: Red rotary handle, Yellow background plate
• Mounting Style: Rear/built-in installation
• Degree of Protection (Front): IP65
• Standards: IEC/EN 60947, UL, CSA

Label Info

• Eaton T0-2-1 / CTO2-1
• Part No: 165628
• Ue: 690V, Ith: 20A
• AC-23A at 400V: 13.3 A / 4 kW
• AC-3 at 400V: 11.5 A / 4 kW

Application

Ideal for use as a main disconnect, maintenance switch, or safety switch on various types of industrial equipment, including conveyor systems, pumps, HVAC units, and production lines.

Country of Origin

Manufactured in Germany.

CO2 Impact

By purchasing this pre-owned component, you are contributing to a circular economy and avoiding approximately 7.2 kg of CO2 emissions associated with the production of a new unit.

Availability

In stock and ready for immediate dispatch. Order now from spareparts2day for expert support and fast delivery.

FAQ

What is the IP rating of this switch’s front actuator?

The Eaton T0 series typically features an IP65 rating for the front, making it dust-tight and protected against water jets, suitable for most industrial environments.

Can I add auxiliary contacts to this T0-2-1/I1 switch?

Yes, the T0 series is modular. You can typically stack additional contact blocks (both normally open and normally closed) onto the rear of the switch body to expand its functionality.

What is the purpose of the red/yellow color scheme?

The red actuator on a yellow background is an industry standard for emergency stop or main disconnecting means. This high-contrast design ensures the switch is quickly identifiable for rapid shutdown of machinery in critical situations.

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Last Update: Friday, March 13, 2026