Overview
The Honeywell LSJ1A-7A is a MICRO SWITCH HDLS series heavy-duty limit switch engineered for demanding industrial environments. This snap action limit switch features a plug-in modular design with a wobble plastic rod actuator, making it ideal for equipment subjected to shock, vibration, temperature extremes, dust, coolant splashing, and washdown conditions. The modular construction allows for quick actuator and head replacement without removing the wiring base, reducing production line downtime.
Key Features
- Plug-in modular design with two-screw assembly for fast replacement and reduced downtime
- Wobble actuator (plastic rod) with rotatable head for flexible mounting and field adjustability for CW/CCW operation
- SPDT snap action contact form (1NC/1NO) for reliable switching
- Boss-and-socket head design for secure retention and interchangeability with other HDLS and competitive switches
- All-metal drive train for consistent operation at high temperature and longer service life
- Self-lifting pressure plate terminals and easily identified grounding terminal for OSHA compliance
Technical Specifications
Contact Form: 1NC/1NO SPDT (Snap Action)
AC Contact Rating: 10A @ 600V
DC Contact Rating: 10A @ 250V
Actuator Length: 5.5 inches
Body Height: 2.95 inches
Body Width: 1.62 inches
Body Depth: 1.75 inches
Conduit Connection: 0.5 inch – 14NPT
Operating Head: Wobble – Plastic Rod
Series: HDLS (Heavy-Duty Limit Switch)
Mounting Style: Plug-in (Rotary Screw Mount)
Sealing: Flat gasket for improved fluid resistance
Typical Applications
- Machine tool positioning and end-of-travel detection
- Industrial press and punch equipment
- Conveyor systems and automation controls
- Outdoor equipment and washdown environments
- Heavy industrial equipment subject to vibration and shock loads
- HVAC and environmental control systems
Compatibility & Replacements
Compatible With
- Honeywell HDLS series limit switch bases and actuator heads
- Standard industrial control cabinets and 0.5 inch NPT conduit installations
- AC/DC powered control circuits rated for 10A switching at 250V DC or 600V AC
- Machines requiring OSHA-compliant limit switch installation
Replaces / Drop-In Replacement For
The LSJ1A-7A is a standard configuration within the HDLS series. For exact replacement models, consult the original equipment documentation or contact your system integrator. Verify compatibility with your specific installation before ordering.
Works With
- Honeywell MICRO SWITCH HDLS series receptacle bases and wiring harnesses
- Standard industrial relay logic and PLC input modules
- AC/DC powered motor starters, solenoids, and alarm circuits
- Industrial automation platforms requiring hardwired limit switch inputs
