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Siemens 3SU1801-0NA00-2AC2 Enclosure w/ E-Stop

Siemens 3SU1801-0NA00-2AC2 22mm E-stop enclosure, yellow, 1 NC, screw terminal.

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ManufacturerSiemens

Part number3SU1801-0NA00-2AC2

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 40mm E-stop pushbutton Rotate-to-unlatch mechanism 1 normally closed (NC) contact Yellow enclosure for high visibility Screw terminals for secure connection Floor mounting capability

Product description

The Siemens 3SU1801-0NA00-2AC2 is a 22mm round plastic enclosure with a yellow top, pre-equipped with a Siemens 40mm mushroom head emergency stop pushbutton. This device features a rotate-to-unlatch mechanism and includes one normally closed (NC) contact with screw terminals. It is designed for floor mounting with M20 conduit entries on the top and bottom.

This integrated solution is perfect for immediate deployment in machine safety applications, emergency stops, and critical control functions. Industries such as manufacturing, automotive, and heavy equipment operations will find this unit invaluable for ensuring operator safety and rapid shutdown capabilities.

Stanlo Automation, a veteran-owned surplus parts supplier, carries the Siemens 3SU1801-0NA00-2AC2. Equip your facility with reliable automation components sourced from Stanlo, your trusted partner for industrial parts.

Technical specifications

Size	22 mm
Shape	Round
Material	Plastic
Top Color	Yellow
Device Type	Emergency Stop Mushroom Pushbutton
Actuator Size	40 mm
Release	Rotate-to-unlatch
Contacts	1 NC
Terminal Type	Screw terminal
Mounting	Floor mounting
Conduit Entries	1xM20 (top/bottom)

Common applications

Machine safety

Emergency shutdown

Industrial control panels

Manufacturing lines

Automotive assembly

Heavy equipment

Compatible systems

Compatible with Siemens 22mm command device systems and safety circuits

Also known as

Siemens 22mm E-stop unit 3SU1801 emergency stop Siemens pushbutton enclosure

Replaces / compatible with

Replaces separate enclosures and E-stop actuators, offering a complete and integrated safety solution.

Technical note

Expert tip

The rotate-to-unlatch mechanism requires a manual twist to reset the button after actuation.

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Frequently asked questions

What type of contact is included in the Siemens 3SU1801-0NA00-2AC2 enclosure?

This enclosure comes with one normally closed (NC) contact. This is suitable for direct integration into safety circuits where the opening of the circuit signals an emergency stop condition.