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Siemens 3SB3601-1HR20 22mm Metal Emergency Stop Button

Siemens 3SB3601-1HR20 22mm Metal Emergency Stop Button.

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ManufacturerSiemens

Part number3SB3601-1HR20

Size 22mm

Material Metal

Button Type Emergency Stop Mushroom (40mm)

Actuation Latching, Twist-to-Unlatch

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12-month warranty

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Same-day dispatch

Order by 2pm CST

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Worldwide delivery

US, EU, Asia, Middle East

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Veteran-owned

CAGE: 9NK75

22mm metal construction 40mm mushroom head Twist-to-unlatch mechanism 1NO+1NC contacts Yellow backing plate Emergency stop function

Product description

The Siemens 3SB3601-1HR20 is a 22mm metal round complete unit featuring a 40mm mushroom push-button for emergency stops. It is a latching type with a twist-to-unlatch mechanism and includes a yellow backing plate. The unit is equipped with screw terminals and provides 1 Normally Open (NO) and 1 Normally Closed (NC) contact. This product is phased out, with SIRIUS ACT 3SU1 being its successor.

This emergency stop button is critical for safety in industrial machinery and control panels, providing a quick and reliable way to halt operations in hazardous situations. Its durable metal construction ensures longevity in demanding environments.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3SB3601-1HR20. We specialize in providing hard-to-find and legacy industrial automation components.

Technical specifications

Size	22mm
Material	Metal
Button Type	Emergency Stop Mushroom (40mm)
Actuation	Latching, Twist-to-Unlatch
Contacts	1 NO + 1 NC
Terminals	Screw Terminal
Color	Red button, Yellow backing plate

Common applications

Industrial machinery safety

Control panel emergency stops

Production line safety

Hazardous area controls

Machine guarding

Compatible systems

Standard 22mm control panel cutouts. Compatible with Siemens 3SB3 series accessories.

Also known as

SIRIUS 3SB3 Emergency Stop, 40mm Mushroom Button

Replaces / compatible with

Phased-out product. The preferred successor is Siemens 3SU1150-1HB20-1FG0. This part is compatible with standard 22mm mounting holes.

Technical note

Expert tip

Ensure the yellow backing plate is correctly oriented and secured for proper functionality and visual indication.

What happens next?

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Frequently asked questions

What is the contact configuration of the Siemens 3SB3601-1HR20 emergency stop button?

The Siemens 3SB3601-1HR20 emergency stop button is equipped with one Normally Open (NO) contact and one Normally Closed (NC) contact. This dual-contact configuration provides flexibility for various safety circuit designs.