Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

Honeywell Non Plug-In Limit Switch: Roller Lever, Metallic, Maintained, Non Plug-In - Rotary-Motion Limit Switches without Levers
HoneywellRotary-Motion Limit Switches without Levers

Honeywell Non Plug-In Limit Switch: Roller Lever, Metallic, Maintained, Non Plug-In

The HONEYWELL Non Plug-In Limit Switch (SKU LSN3K, MPN LSN3K) is a rotary-motion limit switch from the HDLS series, featuring a roller lever actuator and maintained action. It offers a pretravel of 65°, overtravel of…

SKU 3G-OTH-30004

Brand
Honeywell
Item
Non Plug-In Limit Switch: Roller Lever, Metallic, Maintained, Non Plug-In
Category
Rotary-Motion Limit Switches without Levers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Honeywell
Manufacturer Part Number
LSN3K
Series
HDLS
Type
Metallic, Maintained, Non Plug-In, HDLS, 1NO/1NC
Action
Maintained
Pretravel
65°
Body Style
X
Overtravel
20°
Total Travel
80°
Actuator Style
Rotary Lever
Differential Travel
40°

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Honeywell Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HONEYWELL Non Plug-In Limit Switch (SKU LSN3K, MPN LSN3K) is a rotary-motion limit switch from the HDLS series, featuring a roller lever actuator and maintained action. It offers a pretravel of 65°, overtravel of 20°, total travel of 80°, and differential travel of 40°, with a 1NO/1NC contact configuration in a metallic X body style.

Frequently Asked Questions

What is the Honeywell LSN3K limit switch used for?

The Honeywell LSN3K HDLS series limit switch is used for position sensing and control in industrial machinery, conveyors, and automated systems. Its roller lever actuator and maintained action make it suitable for applications requiring reliable detection of rotary motion up to 80° total travel.

What are the specifications of the Honeywell LSN3K limit switch?

The Honeywell LSN3K is a non plug-in limit switch with a metallic X body, maintained action, and 1NO/1NC contact configuration. It features a rotary lever actuator with 65° pretravel, 20° overtravel, 40° differential travel, and 80° total travel. It is part of the HDLS series.

Where to buy the Honeywell LSN3K limit switch worldwide?

3G Electric supplies the Honeywell LSN3K limit switch worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this HDLS series switch for your application.

How to install a Honeywell HDLS limit switch like the LSN3K?

Mount the Honeywell LSN3K securely using the metallic X body's mounting holes. Align the roller lever with the cam or actuator to ensure proper pretravel (65°) and overtravel (20°). Wire the 1NO/1NC contacts according to your control circuit. Always follow manufacturer guidelines for safe installation.

Used in

Common applications for Honeywell
Commercial kitchen and inflight-catering steam boilers — RM7890 / RM7895 flame relays with UV detection
Food-processing ramp-and-dwell ovens — DBC2000E / DBC2100E controllers
Hotel and hospital boiler plants — VR8205 combination gas controls
Petrochemical tank-farm heating — V4xxx gas-valve bodies with ML7420 actuators
Retrofit swap-outs from legacy Fireye / Satronic — Honeywell replacement kits

Honeywell Products

3G Electric supplies Honeywell rotary-motion limit switches without levers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
HONEYWELL Non Plug-In Limit Switch: Roller Lever, Metallic, Momentary, Non Plug-In, HDLS, 1NO/1NC (MPN LSP3K)
Honeywell
HONEYWELL Non Plug-In Limit Switch: Roller Lever, Metallic, Momentary, Non Plug-In, HDLS, 1NO/1NC (MPN LSP3K)
HONEYWELL Non Plug-In Limit Switch: Roller Lever, Metallic, Momentary, Non Plug-In, HDLS, 1NO/1NC (MPN LSA3K)
Honeywell
HONEYWELL Non Plug-In Limit Switch: Roller Lever, Metallic, Momentary, Non Plug-In, HDLS, 1NO/1NC (MPN LSA3K)
HONEYWELL Non Plug-In Limit Switch: Roller Lever, Metallic, Momentary, Non Plug-In, HDLS, 2NO/2NC (MPN LSM4N)
Honeywell
HONEYWELL Non Plug-In Limit Switch: Roller Lever, Metallic, Momentary, Non Plug-In, HDLS, 2NO/2NC (MPN LSM4N)
HONEYWELL Plug-In Limit Switch: Roller Lever, Metallic, Maintained, Plug-In, HDLS, Screw Terminals (MPN LSN1A)
Honeywell
HONEYWELL Plug-In Limit Switch: Roller Lever, Metallic, Maintained, Plug-In, HDLS, Screw Terminals (MPN LSN1A)
HONEYWELL Non Plug-In Limit Switch: Roller Lever, Metallic, Momentary, Non Plug-In, HDLS, 2NO/2NC (MPN LSA4L)
Honeywell
HONEYWELL Non Plug-In Limit Switch: Roller Lever, Metallic, Momentary, Non Plug-In, HDLS, 2NO/2NC (MPN LSA4L)
HONEYWELL Non Plug-In Limit Switch: Roller Lever, Metallic, Momentary, Non Plug-In, HDLS, 2NO/2NC (MPN LSM7N)
Honeywell
HONEYWELL Non Plug-In Limit Switch: Roller Lever, Metallic, Momentary, Non Plug-In, HDLS, 2NO/2NC (MPN LSM7N)

More from Honeywell

View all Honeywell parts
HONEYWELL Non Plug-In Limit Switch: Roller Lever, Metallic, Momentary, Non Plug-In, HDLS, 2NO/2NC (MPN LSA7L)
Honeywell
HONEYWELL Non Plug-In Limit Switch: Roller Lever, Metallic, Momentary, Non Plug-In, HDLS, 2NO/2NC (MPN LSA7L)
HONEYWELL Plug-In Limit Switch: Roller Lever, Metallic, Plug-In, HDLS, No Actuator Included, 1NO/1NC (MPN LSYUB1A)
Honeywell
HONEYWELL Plug-In Limit Switch: Roller Lever, Metallic, Plug-In, HDLS, No Actuator Included, 1NO/1NC (MPN LSYUB1A)
HONEYWELL Non Plug-In Limit Switch: Roller Lever, Metallic, Maintained, Non Plug-In, LS, 1NO/1NC (MPN 6LS2)
Honeywell
HONEYWELL Non Plug-In Limit Switch: Roller Lever, Metallic, Maintained, Non Plug-In, LS, 1NO/1NC (MPN 6LS2)
HONEYWELL Plug-In Limit Switch: Roller Lever, Metallic, Momentary, Plug-In, HDLS, Screw Terminals (MPN LSU1A)
Honeywell
HONEYWELL Plug-In Limit Switch: Roller Lever, Metallic, Momentary, Plug-In, HDLS, Screw Terminals (MPN LSU1A)
HONEYWELL Non Plug-In Limit Switch: Roller Lever, Metallic, Maintained, Non Plug-In, LS, 1NO/1NC (MPN 6LS2-L)
Honeywell
HONEYWELL Non Plug-In Limit Switch: Roller Lever, Metallic, Maintained, Non Plug-In, LS, 1NO/1NC (MPN 6LS2-L)
HONEYWELL Non Plug-In Limit Switch: Roller Lever, Metallic, Non Plug-In, LS, No Actuator Included (MPN 1LS9)
Honeywell
HONEYWELL Non Plug-In Limit Switch: Roller Lever, Metallic, Non Plug-In, LS, No Actuator Included (MPN 1LS9)
HONEYWELL Plug-In Limit Switch: Roller Lever, Metallic, Momentary, Plug-In, HDLS, Screw Terminals (MPN LSA6B)
Honeywell
HONEYWELL Plug-In Limit Switch: Roller Lever, Metallic, Momentary, Plug-In, HDLS, Screw Terminals (MPN LSA6B)
HONEYWELL Non Plug-In Limit Switch: Roller Lever, Metallic, Momentary, Non Plug-In, HDLS, 1NO/1NC (MPN LSYPB3K)
Honeywell
HONEYWELL Non Plug-In Limit Switch: Roller Lever, Metallic, Momentary, Non Plug-In, HDLS, 1NO/1NC (MPN LSYPB3K)