Honeywell Technologies HDLS Series Side Rotary Limit Switch, DPDT, IP65, IP66, IP67, Die Cast Zinc Epoxy Coated Housing,

This limit switch provides precise mechanical actuation for industrial automation and control tasks where rotary motion requires detection. Designed for side-mounted rotary operation, it offers reliable switching in harsh environments and integrates into electrical systems requiring both AC and DC circuit interruption.

• DPDT snap-action contacts provide clean circuit changeover and flexibility
• Rated switching current 10A for robust load handling
• Switching voltage capability up to 600V AC for high-voltage circuits
• Operates to 250V DC enabling DC control applications
• Withstands temperatures up to 121 °C for elevated-heat environments
• Mechanical endurance of 50 million cycles reduces maintenance frequency

• Suitable for conveyor position detection in manufacturing lines
• Ideal for actuator end-of-travel sensing in valve assemblies
• Used with motor control panels for safety and interlock functions
• Can be used for position feedback in packaging machinery
• Suitable for heavy-duty industrial machine tools requiring rotary sensing

It accepts a 1/2 in to 14 NPT conduit entry to accommodate standard industrial conduit fittings.

The housing meets IP65, IP66 and IP67 ratings, offering dust-tight protection and resistance to water jets and temporary immersion.

The enclosure is manufactured from die-cast zinc, providing structural strength and dimensional stability for demanding installations.

The operating force for the side rotary actuator is 0.45 N·m, enabling predictable actuation in automated linkages.

UL, CSA.

IP65, IP66, IP67
HDLS switches have a IP65, IP66 and IP67 rating. This means they are dust-tight and offer protection against water jets, heavy seas and the effects of immersion.


NEMA 1, 3, 4, 4X, 6, 6P, 12, 13
Type 1: Enclosures that meet Type 1 are for indoor use, and provide some limited protection for the enclosed equipment.
Type 3: Allows for indoor or outdoor use and provides a degree of protection against access to hazardous parts. The enclosures provide some protection from foreign objects (such as windblown dust) and the ingress of water (such as rain or snow). Enclosures that meet NEMA 3 offer protection against ice forming externally.
Type 4: Allows for indoor or outdoor use and provides a degree of protection against access to hazardous parts. The enclosures provide some protection from foreign objects (such as falling dirt and windblown dust) and the ingress of water (such as rain, snow or sleet alongside splashing water and hose directed water). Enclosures that meet NEMA 3 offer protection against ice forming externally.
Type 4X: Allows for indoor our outdoor use and provides some ptoection against windust dust and rain, corroision, splashing water and hose directed water.
Type 6: Allows for indoor or outdoor use and provides a degree of protection against access to hazardous parts. The enclosures provide some protection from foreign objects (such as falling dirt and windblown dust) and the ingress of water (such as rain, snow or sleet alongside splashing water and hose directed water). Enclosures that meet NEMA 4 offer protection against ice forming externally.
Type 6P: Allows for indoor or outdoor use and provides a degree of protection against access to hazardous parts. The enclosures provide some protection from solid objects (such as falling dirt and windblown dust) and the ingress of water (such as hose directed water). Enclosures that meet the NEMA 6P requirement also offer protection against water when being submerged at a limited depth.
Type 12: Limit switches that meet Type 12 requirements provide limited protection against dust, falling dirt and non-corrosive liquids.
Type 13: Enclosures that meet Type 13 are suited to harsh environments. Enclosures can be used indoors and provide protection against access to hazardous parts. They offer protection against solid objects such as falling dirt, windblown dirt, fibres and lint. They provide a level of protection from dripping and splashing water and other liquids such as spraying splashing and seepage of oil and non-corrosive coolants."