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Honeywell 1LS1-L Roller Lever-Arm Limit Switch - Roller Lever-Arm Limit Switches
HoneywellRoller Lever-Arm Limit Switches

Honeywell 1LS1-L Roller Lever-Arm Limit Switch

The HONEYWELL Non Plug-In Limit Switch is a roller lever-arm limit switch from the LS Series, featuring a 30 mm mounting hole with vertical center-to-center distance and a 20° actuation angle. It uses screw terminals…

SKU 3G-OTH-30916

Also listed as: 1LS1L · 1LS1 L

Brand
Honeywell
Item
1LS1-L Roller Lever-Arm Limit Switch
Category
Roller Lever-Arm Limit Switches
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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
1LS1-L
Series
LS
Type
Center to Center Distance, LS, 20°
Electrical Connection
Screw Terminals

Technical Documents

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

Product Description

The HONEYWELL Non Plug-In Limit Switch is a roller lever-arm limit switch from the LS Series, featuring a 30 mm mounting hole with vertical center-to-center distance and a 20° actuation angle. It uses screw terminals for electrical connection and is identified by manufacturer part number 1LS1-L.

Frequently Asked Questions

What is the HONEYWELL 1LS1-L limit switch used for?

The HONEYWELL 1LS1-L is a roller lever-arm limit switch from the LS Series used to detect the presence or position of moving machinery parts. It is commonly applied in industrial automation, conveyor systems, and material handling to control circuits or signal end-of-travel.

What are the specifications of the HONEYWELL 1LS1-L?

The HONEYWELL 1LS1-L is a non plug-in limit switch with a 30 mm mounting hole vertical center-to-center distance and a 20° actuation angle. It features screw terminals for electrical connection and is part of the LS Series. The manufacturer part number is 1LS1-L.

Where to buy the HONEYWELL 1LS1-L worldwide?

You can source the HONEYWELL 1LS1-L worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the HONEYWELL 1LS1-L limit switch?

Mount the HONEYWELL 1LS1-L using the 30 mm vertical center-to-center holes, ensuring the roller lever aligns with the cam or actuator. Connect wires to the screw terminals per your control circuit. Adjust the actuation angle to 20° for proper operation. Always follow local electrical codes.

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 roller lever-arm limit switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Cross-referenced by specification & description
HONEYWELL Non Plug-In Limit Switch: 30 mm Mounting Hole Vertical Center to Center Distance, LS, 20° (MPN 1LS3)
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HONEYWELL Non Plug-In Limit Switch: 30 mm Mounting Hole Vertical Center to Center Distance, LS, 20° (MPN 1LS3)
HONEYWELL Non Plug-In Limit Switch: 30 mm Mounting Hole Vertical Center to Center Distance, LS, 20° (MPN 1LS1)
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HONEYWELL Non Plug-In Limit Switch: 30 mm Mounting Hole Vertical Center to Center Distance, LS, 20° (MPN 1LS1)
HONEYWELL Non Plug-In Limit Switch: 30 mm Mounting Hole Vertical Center to Center Distance, LS, 5° (MPN 1LS19)
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HONEYWELL Non Plug-In Limit Switch: 30 mm Mounting Hole Vertical Center to Center Distance, LS, 5° (MPN 1LS19)
HONEYWELL Non Plug-In Limit Switch: 30 mm Mounting Hole Vertical Center to Center Distance, LS, 5° (MPN 1LS58)
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HONEYWELL Non Plug-In Limit Switch: 30 mm Mounting Hole Vertical Center to Center Distance, LS, 5° (MPN 1LS58)
Non plug-in limit switch from the LS series with adjustable rod lever-arm actuator. Features screw terminals, 30 mm mounting hole vertical center-to-center distance, and 20° operating angle. Used for position sensing and control in industrial machinery, conveyors, and automation systems
Honeywell
Non plug-in limit switch from the LS series with adjustable rod lever-arm actuator. Features screw terminals, 30 mm mounting hole vertical center-to-center distance, and 20° operating angle. Used for position sensing and control in industrial machinery, conveyors, and automation systems
HONEYWELL Plug-In Limit Switch: 81 mm Mounting Hole Vertical Center to Center Distance, Roller Lever (MPN 201LS1)
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HONEYWELL Plug-In Limit Switch: 81 mm Mounting Hole Vertical Center to Center Distance, Roller Lever (MPN 201LS1)

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