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Siemens 305-20t-1 Rotary Cam Switch — 20A, 600V

Siemens 305-20t-1 rotary cam switch with 20A rating and 3 positions.

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ManufacturerSiemens

Part number305-20T-1

Part Number 305-20t-1

Positions 3

Current Rating 20 A

Voltage Rating 600 V AC

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CAGE: 9NK75

3-position control High current rating (20A) Heavy-duty construction 600V AC voltage Reliable for industrial use Manual operation

Product description

The Siemens 305-20t-1 is a heavy-duty rotary cam switch designed for robust control applications. It features 3 positions for circuit selection and is rated for a substantial 20A at 600V AC. This switch is built with durable materials to withstand demanding industrial environments and ensure long-term reliability in switching power circuits.

Ideal for applications requiring manual control over power flow, such as motor on/off/jog functions, main disconnects, or selector switches for process control. It is widely utilized in manufacturing plants, heavy industry, and control panel construction.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, offers the Siemens 305-20t-1. We provide access to quality, hard-to-find components, enabling businesses to maintain and upgrade their systems efficiently, backed by our commitment to service.

Technical specifications

Part Number	305-20t-1
Positions	3
Current Rating	20 A
Voltage Rating	600 V AC
Terminal Type	Screw
Operation	Rotary

Common applications

Motor control

Power disconnect

Selector switch

Machine tools

Industrial automation

Control panels

Manufacturing equipment

Compatible systems

Siemens Industrial Control Systems Siemens Machine Control Units

Also known as

Siemens 3-position cam switch, Siemens 20A rotary switch, 305 series selector switch

Replaces / compatible with

The Siemens 305-20t-1 serves as a robust 3-position switch for various industrial control applications. It can replace other Siemens or compatible switches with similar current and voltage ratings.

Technical note

Expert tip

This switch is designed for manual operation and requires a mechanical interlock if safety protocols demand it for certain switching sequences.

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Frequently asked questions

What is the maximum current and voltage rating for the Siemens 305-20t-1?

The Siemens 305-20t-1 rotary cam switch is rated for a maximum continuous current of 20 Amperes and a voltage of 600 Volts AC. Its design ensures reliable performance under these conditions.