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Siemens METAL-ENCLOSED POSITION SWITCH - 3SE2303-1E

Siemens 3SE2303-1E Metal-Enclosed Position Switch - 2NO+1NC, roller lever.

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ManufacturerSiemens

Part number3SE2303-1E

Manufacturer Siemens

Series 3SE2

Part Number 3SE2303-1E

Type Metal-Enclosed Position Switch

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Metal Enclosed Design 2 NO + 1 NC Contacts Roller Lever Actuator Slow-Action Contacts Robust Industrial Construction IP67 Protection (specific listings)

Product description

The Siemens 3SE2303-1E is a metal-enclosed position switch designed for robust industrial applications. It features slow-action contacts with a configuration of 2 Normally Open (NO) and 1 Normally Closed (NC) contact. The actuator type is a roller lever, and it is equipped with 3 x M20 x 1.5 cable entries. This switch is built with a durable metal enclosure and offers a high level of protection.

This position switch is critical for safety and control in automated machinery. Its function is to detect the position of an object or machine part and signal this status to the control system. Applications include end-of-travel detection, interlocks for safety guarding, and presence detection in manufacturing processes across various industries.

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Technical specifications

Manufacturer	Siemens
Series	3SE2
Part Number	3SE2303-1E
Type	Metal-Enclosed Position Switch
Contacts	2 NO + 1 NC (Slow-action)
Actuator	Roller Lever
Cable Entries	3 x M20 x 1.5
Protection Rating	IP67 (stated on some listings)
Material	Metal Enclosure

Common applications

Machine safety guarding

End-of-travel detection

Automation control

Industrial machinery

Manufacturing lines

Process control

Compatible systems

Industrial control systems Safety circuits Machine interlocks PLC inputs

Also known as

Siemens Limit Switch 3SE2303-1E Metal Position Sensor Roller Lever Limit Switch

Replaces / compatible with

This product has been discontinued. A potential replacement is the Siemens 3SE5122-0PE01, though direct compatibility should be verified.

Technical note

Expert tip

While some sources indicate IP67, always confirm the exact IP rating and environmental suitability for your specific application, as this model is discontinued.

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Frequently asked questions

What is the contact configuration of the Siemens 3SE2303-1E position switch?

The Siemens 3SE2303-1E position switch features slow-action contacts configured as 2 Normally Open (NO) and 1 Normally Closed (NC). This configuration allows for versatile control and safety interlock applications.