Overview
The Honeywell 1LN1-5-LH is a dependable SPDT limit switch from the LN series, engineered for industrial automation and equipment control. Rated for 1/2HP with a maximum contact current of 10A at 125VAC or 250VAC, this snap-action switch provides reliable operation in demanding factory and machinery environments. The left-hand (LH) top plunger actuator makes it suitable for various mounting orientations.
Key Features
- SPDT (Single Pole Double Throw) contact configuration for flexible switching logic
- Operating force rated at 26.7N for consistent snap actuation
- Wire lead terminals with individual seals protecting against condensate, oil, and dust
- Precision snap-action mechanism designed to withstand repeated hammer-blow actuation
- Dual voltage rating: 125VAC and 250VAC compatible
- Top plunger actuator with left-hand positioning for equipment access
Technical Specifications
- Part Number: 1LN1-5-LH
- Manufacturer: Honeywell MICRO SWITCH
- Contact Configuration: SPDT (Single Pole Double Throw)
- Contact Current (AC Max): 10A
- Contact Voltage (AC Max): 250VAC
- Operating Voltage: 125VAC or 250VAC
- Horsepower Rating: 1/2HP
- Operating Force: 26.7N
- Actuator Type: Top Plunger (Left-Hand)
- Termination: Wire Leads (No. 14 HWM)
- Protection: Sealed cavity with individual lead seals
- Product Range: LN Series
- RoHS Compliant: Yes
Typical Applications
The 1LN1-5-LH limit switch is commonly deployed in:
- Material handling and conveyor system end-of-travel limits
- Machinery safety interlocks and equipment shutdowns
- Pneumatic and hydraulic control systems
- Manufacturing process automation and sequencing
- Door and gate position detection
- Production equipment with frequent or rapid actuation cycles
Compatibility & Replacements
Compatible With
- Industrial control panels and relay logic circuits
- PLC input modules and automation controllers
- 24VDC control circuits (via appropriate relay interface)
- Motor control centers and machinery control systems
- Safety-rated interlocking systems
- Honeywell LN series switch families and cross-compatible limit switch installations
Replaces / Drop-In Replacement For
- 1LN1-5-RH (right-hand version with identical electrical specs)
- Earlier revision 1LN1-5 series switches
- Legacy Micro Switch limit switches with equivalent 10A/250VAC ratings
Works With
- Relay logic and hardwired control circuits
- AC mains control systems (125VAC and 250VAC)
- Electromechanical sequencing systems
- Dual-channel safety applications (SPDT enables N.O. and N.C. operation)
- Industrial electrical enclosures and terminal blocks
