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Siemens 3SU1 Series, Latching, Emergency Stop Push Button Head 40mm Diameter

RS Stock No.:: 159-568
Mfr. Part No.:: 3SU1151-1HB20-3CF0
Brand:: Siemens

Siemens 3SU1 Series, Latching, Emergency Stop Push Button Head 40mm Diameter

Subtotal (1 unit)*

£46.79

(exc. VAT)

£56.15

(inc. VAT)

FREE delivery for orders over £50.00

Temporarily out of stock

Shipping from 22 September 2025

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 +	£46.79

*price indicative

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RS Stock No.:: 159-568
Mfr. Part No.:: 3SU1151-1HB20-3CF0
Brand:: Siemens

Siemens 3SU1 Series Emergency Stop Push Button Head, 22.3mm Cutout Diameter, Round Push Button Style - 3SU1151-1HB20-3CF0

This emergency stop push button head is designed for automation applications. The round design allows for easy identification and operation. It features a latching mechanism for reliable emergency stopping in critical situations. With an outer diameter of 40mm and a cutout diameter of 22.3mm, it fits standard panel cutouts effectively. This component is combining functionality and durability for various industrial environments.

Features & Benefits

• Positive latching mechanism ensures secure operation
• Illuminated design enhances visibility in low-light conditions
• Constructed from robust plastic for lasting performance
• Easy installation with front plate mounting options
• Designed to comply with EN ISO 13850 for safety standards

Applications

• Used for emergency shutdowns in machinery and automation systems
• Suitable for control panels in manufacturing plants
• Effective in industrial settings requiring immediate stopping action
• Ideal for environments where safety is a priority

How does the positive latching feature contribute to efficacy in emergency situations?

The positive latching mechanism provides a secure hold, ensuring that the button remains in the activated position until intentionally released. This reliability is critical in emergencies, allowing operators to stop systems quickly and effectively.

What is the significance of the IP66 rating for this device?

The IP66 rating indicates exceptional resistance to dust and water ingress, making this device suitable for use in outdoor or rugged environments where exposure to the elements is a concern.

What range of temperatures can this device operate within?

The operational temperature range is between -25 to +70°C, ensuring functionality in varied environmental conditions, from cold storage to high heat settings.

How many command points does this unit support?

This unit is designed for a single command point, making it straightforward and efficient for dedicated emergency stopping applications.

What type of electrical connection is compatible with this push button?

It uses spring-type terminals, allowing for flexible connections compatible with various conductor sizes, enhancing ease of installation.

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Siemens
	Series	3SU1
	Manufacturer k.i.m.	Siemens
	Cutout Diameter	22.3mm
	Push Button Colour	Red
	Push Button Actuation	Latching
	Push Button Style	Round
	Better World Product	Yes
	Illuminated	Yes
	Push Button Diameter	40mm
	Better World Claim	Extended product life, Low carbon manufacture

	Select all
	Brand Siemens
	Series 3SU1
	Manufacturer k.i.m. Siemens
	Cutout Diameter 22.3mm
	Push Button Colour Red
	Push Button Actuation Latching
	Push Button Style Round
	Better World Product Yes
	Illuminated Yes
	Push Button Diameter 40mm
	Better World Claim Extended product life, Low carbon manufacture

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Siemens 3SU1 Series, Latching, Emergency Stop Push Button Head 40mm Diameter

FREE delivery for orders over £50.00

Better World

Siemens 3SU1 Series Emergency Stop Push Button Head, 22.3mm Cutout Diameter, Round Push Button Style - 3SU1151-1HB20-3CF0

Features & Benefits

Applications

How does the positive latching feature contribute to efficacy in emergency situations?

What is the significance of the IP66 rating for this device?

What range of temperatures can this device operate within?

How many command points does this unit support?

What type of electrical connection is compatible with this push button?

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