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Siemens 3SE3750-3XX00 Tumbler Magnetic Position Switch

Siemens 3SE3750-3XX00 Tumbler Magnetic Position Switch 24V DC.

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ManufacturerSiemens

Part number3SE3750-3XX00

Actuator Type Tumbler with Magnetic Lock

Contact Configuration 2 NC + 1 NO/1 NC

Contact Type Snap-Action

Approach Directions 5

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Magnetic Field Locking 5 Directions of Approach Tumbler Actuator 2NC + 1NO/1NC Contacts 24V DC Operation Safety Application Ready

Product description

The Siemens 3SE3750-3XX00 is a specialized position switch designed with a tumbler mechanism and magnetic locking capabilities. It allows for actuation from five different directions and features a combination of 2 normally closed (2NC) and 1 normally open/1 normally closed (1NO/1NC) contacts. This switch operates on a 24V DC power supply and includes magnetic field locking.

This type of position switch is often used in safety-critical applications, such as guarding on machinery where the door must remain locked until the machine is in a safe state. Industries like automotive manufacturing, heavy equipment, and automation rely on these for enhanced safety interlocks.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3SE3750-3XX00. We provide reliable access to specialized components like this magnetic safety switch, ensuring your safety systems are properly equipped, and backed by our commitment to quality and service.

Technical specifications

Actuator Type	Tumbler with Magnetic Lock
Contact Configuration	2 NC + 1 NO/1 NC
Contact Type	Snap-Action
Approach Directions	5
Voltage Rating	24V DC
Locking Mechanism	Magnetic Field Lock
Enclosure Material	Molded Plastic

Common applications

Machine Guarding

Safety Interlocks

Industrial Automation

Automotive Manufacturing

Heavy Machinery

Robotic Cells

Compatible systems

Siemens Safety Relays PLC Safety Modules Machine Safety Control Systems

Also known as

Siemens 3SE3750-3XX00 Safety Position Switch Siemens Magnetic Safety Interlock Switch Siemens 24V DC Safety Switch

Replaces / compatible with

This switch is designed to replace older or similar Siemens safety position switches that incorporate magnetic locking and tumbler actuators for machine guarding applications.

Technical note

Expert tip

The magnetic lock requires a corresponding magnet in the actuator or guard mechanism; ensure proper alignment for reliable engagement.

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Frequently asked questions

What is the purpose of the magnetic field lock on the Siemens 3SE3750-3XX00?

The magnetic field lock on the Siemens 3SE3750-3XX00 is a safety feature that prevents the machine from operating when the guard door is open. It ensures the door remains locked until a safe condition is detected, providing a higher level of personnel protection.