Allen Bradley Guardmaster 440P Series Short Lever Interlock Switch, 1 NO/1 NC, IP66, Metal Housing

RS Stock No.:: 873-2235
Mfr. Part No.:: 440P-MSLS11B
Brand:: Allen Bradley Guardmaster

Allen Bradley Guardmaster 440P Series Short Lever Interlock Switch, 1 NO/1 NC, IP66, Metal Housing

Subtotal (1 unit)*

£53.59

(exc. VAT)

£64.31

(inc. VAT)

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In Stock

1 unit(s) ready to ship
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Plus 24 unit(s) shipping from 29 May 2026

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Units	Per unit
1 +	£53.59

*price indicative

RS Stock No.:: 873-2235
Mfr. Part No.:: 440P-MSLS11B
Brand:: Allen Bradley Guardmaster

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Allen Bradley Guardmaster
	Actuator Type	Short Lever
	Product Type	Interlock Switch
	IP Rating	IP66
	Contact Configuration	1 NO/1 NC
	Housing Material	Metal
	Contact Type	Snap Action
	Terminal Type	M20
	Series	440P
	Minimum Operating Temperature	-25°C
	Maximum Operating Temperature	80°C
	Standards/Approvals	ANSI, CE, EN, IEC, ISO, RoHS, TUV, UL
	Length	133mm
	Depth	64mm
	Width	40mm
	Hazardous Area Certification	NO
	Mechanical Life	10000000Operations
	Mounting Orientation	Horizontal
	Conduit Entry	M20
	Operating Force	0.34Nm

	Select all
	Brand Allen Bradley Guardmaster
	Actuator Type Short Lever
	Product Type Interlock Switch
	IP Rating IP66
	Contact Configuration 1 NO/1 NC
	Housing Material Metal
	Contact Type Snap Action
	Terminal Type M20
	Series 440P
	Minimum Operating Temperature -25°C
	Maximum Operating Temperature 80°C
	Standards/Approvals ANSI, CE, EN, IEC, ISO, RoHS, TUV, UL
	Length 133mm
	Depth 64mm
	Width 40mm
	Hazardous Area Certification NO
	Mechanical Life 10000000Operations
	Mounting Orientation Horizontal
	Conduit Entry M20
	Operating Force 0.34Nm

COO (Country of Origin):: TW

Allen Bradley Safety Switch With Short Lever Actuator, NO/NC, Horizontal Mounting - 440P-MSLS11B

Keep your machines and equipment working safely and efficiently with this limit switch from Rockwell Automation's Allen Bradley range. The lever arm is adjustable to make a quick-acting or slow-acting switch, and the unit has flexible mounting options to suit your application's needs. Metal-alloy casing is strong and durable for use in harsh industrial settings. The unit has an IP66 (ingress protection) rating, so it's completely resistant to dust and sealed against strong jets of water.

Features and Benefits

• Minimum mechanical lifespan of 10,000,000 cycles for durability and low maintenance

• Secure screw connection in a standard M20 size for stable and versatile use

• Head can be rotated in 90° stages for easy and accurate installation

Standards and Certifications

• EN 954-1 (European Norm)

• ISO13849-1 (International Organization for Standardization)

• IEC 60204-1 (International Electrotechnical Commission)

• NFPA 79 (National Fire Protection Association)

• ANSI B11.19 (American National Standards Institute)

• AS 4024.1 (Australian Standard)

• UL (Underwriters' Laboratories)

• TUV (Technischer Überwachungsverein)

• CE (Conformité Européene)

• CCC (Chinese Standards)

How does this safety switch work?

IP66 rated

EN954-1

ISO13849-1

IEC/EN60204-1

NFPA79

EN1088

ISO14119

IEC/ EN60947-5-1

ANSI B11.19

AS4024.1

UL approved

TUV approved

CE certified

CCC certified

When an object hits the lever, it rotates, operating the switch. This creates a break in the electrical circuit to stop or slow moving machines, crane arms or lifts.