Siemens 3SE5 Series Lever Switch, 1 NO/1 NC, IP67, IP66, Plastic Housing, 400V ac, 10A

RS Stock No.:: 275-947
Mfr. Part No.:: 3SE5242-0HK21-1AJ0
Manufacturer:: Siemens

Siemens 3SE5 Series Lever Switch, 1 NO/1 NC, IP67, IP66, Plastic Housing, 400V ac, 10A

Subtotal (1 unit)*

€61.03

(exc. VAT)

€75.07

(inc. VAT)

Stocked by manufacturer

Ready to ship from 21 May 2026

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

Units	Per unit
1 +	€61.03

*price indicative

RS Stock No.:: 275-947
Mfr. Part No.:: 3SE5242-0HK21-1AJ0
Manufacturer:: Siemens

Specifications

Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Siemens
	Product Type	Switch
	Actuator Type	Lever
	Contact Configuration	1 NO/1 NC
	IP Rating	IP67, IP66
	Housing Material	Plastic
	Contact Type	Snap Action
	Terminal Type	Screw
	Switching Current	10A
	Series	3SE5
	Switching AC Voltage	400V ac
	Minimum Operating Temperature	-40°C
	Maximum Operating Temperature	85°C
	Depth	33mm
	Width	50mm
	Length	96.3mm
	Standards/Approvals	EN 61373, Category 1B
	Hazardous Area Certification	NO
	Conduit Entry	2 x (M20 x 1.5)
	Mechanical Life	15000000Cycles

	Select all
	Brand Siemens
	Product Type Switch
	Actuator Type Lever
	Contact Configuration 1 NO/1 NC
	IP Rating IP67, IP66
	Housing Material Plastic
	Contact Type Snap Action
	Terminal Type Screw
	Switching Current 10A
	Series 3SE5
	Switching AC Voltage 400V ac
	Minimum Operating Temperature -40°C
	Maximum Operating Temperature 85°C
	Depth 33mm
	Width 50mm
	Length 96.3mm
	Standards/Approvals EN 61373, Category 1B
	Hazardous Area Certification NO
	Conduit Entry 2 x (M20 x 1.5)
	Mechanical Life 15000000Cycles

Datasheet - 3SE5242-0HK21-1AJ0

COO (Country of Origin):: DE

The Siemens mechanical position switch is designed for versatile and reliable applications in demanding environments. Engineered to provide enhanced operational safety and durability, it features a robust plastic enclosure and corrosion resistant components. The switch boasts a wide temperature range, ensuring functionality in extreme conditions. With a positive opening mechanism, it elevates safety standards by preventing contact overlap during operation. Additionally, its snap action contacts facilitate quick response times, making it a dependable choice for various industrial applications. Seamless installation is made possible through multiple mounting options and compatible electrical connections, ensuring a perfect fit in any setup.

Robust construction to withstand harsh environments

Wide operational temperature range for varied applications

Positive opening mechanism for enhanced safety

High electrical endurance for prolonged use

Screw terminal connections for easy wiring

Mechanical service life of up to 15 million operations

Siemens 3SE5 Series Lever Switch, 1 NO/1 NC, IP67, IP66, Plastic Housing, 400V ac, 10A

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