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Siemens 3SU1801-0NE00-4AB2 E-Stop Enclosure

Siemens 3SU1801-0NE00-4AB2 E-stop enclosure, yellow, 1 NO/2 NC, spring terminals.

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ManufacturerSiemens

Part number3SU1801-0NE00-4AB2

Size 22 mm

Shape Round

Material Plastic

Top Color Yellow

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12-month warranty

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Veteran-owned

CAGE: 9NK75

Integrated metal 40mm E-stop 1 NO and 2 NC contacts Spring-type terminals for easy wiring Yellow enclosure for high visibility Robust metal actuator Floor mounting option

Product description

The Siemens 3SU1801-0NE00-4AB2 is a 22mm round plastic enclosure with a yellow top, featuring a red 40mm metal mushroom head emergency stop pushbutton. This unit includes one normally open (NO) and two normally closed (NC) contacts, utilizing spring-type terminals for secure connections. It is designed for floor mounting and has M20 conduit entries on both the top and bottom.

This comprehensive E-stop solution is ideal for machine safety, emergency shutdown systems, and critical control applications where multiple contact configurations are needed. It is suitable for demanding industrial environments in sectors like manufacturing, automotive, and automation.

Stanlo Automation, your veteran-owned surplus industrial parts distributor, offers the Siemens 3SU1801-0NE00-4AB2. Secure your critical safety components from Stanlo Automation for reliable and cost-effective solutions.

Technical specifications

Size	22 mm
Shape	Round
Material	Plastic
Top Color	Yellow
Device Type	Emergency Stop Mushroom Pushbutton
Actuator Material	Metal
Release	Rotate-to-unlatch
Contacts	1 NO, 2 NC
Terminal Type	Spring-type terminal
Mounting	Floor mounting
Support Terminal	Yes
Conduit Entries	1xM20 (top/bottom)

Common applications

Machine safety circuits

Emergency shutdown systems

Industrial control

Hazardous area controls

Automation safety

Safety interlocks

Compatible systems

Designed for integration into Siemens 22mm command device systems and safety control circuits

Also known as

Siemens 22mm metal E-stop 3SU1801 safety pushbutton Siemens emergency stop with spring terminals

Replaces / compatible with

A complete safety solution replacing separate enclosures and contact blocks for emergency stop functions.

Technical note

Expert tip

Spring-type terminals offer vibration resistance and eliminate the need for re-tightening screws, simplifying installation and maintenance.

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Frequently asked questions

What is the contact configuration of the Siemens 3SU1801-0NE00-4AB2?

This E-stop enclosure features one normally open (NO) and two normally closed (NC) contacts. The NC contacts are typically used for direct safety circuit interruption, while the NO contact can be used for signaling or status indication.