Overview
The Honeywell LSZ1A is a replacement rotary operating head for HDLS and LSA series limit switches. Designed for industrial control systems, this actuator head provides reliable switching operation in manufacturing, packaging, and process automation environments. The LSZ1A’s plug-in construction allows quick removal and replacement without disconnecting wiring or conduit, significantly reducing maintenance downtime.
Key Features
- Rotary side-mount actuator — 360° bidirectional (CW/CCW) movement for flexible positioning
- Plug-in design — removes without disturbing wiring or conduit connections
- RoHS compliant — meets environmental and regulatory standards
- Ample wiring space — accommodates multiple gauge conductors and terminal styles
- Heavy-duty construction — suited for harsh industrial environments
Technical Specifications
- Voltage Rating: 600V AC / 250V DC
- Actuator Style: Rotary Lever (side-mount)
- Movement: CW and CCW (bidirectional)
- Operating Force: 4 in-lb
- Differential Travel: 5° maximum
- Overtravel: 60° minimum
- Pretravel: 15° maximum
- Operating Temperature Range: 10°F to 250°F (-12°C to 121°C)
- NEMA Rating: 1, 3, 4, 4X, 6, 6P
- RoHS Status: Compliant (Yes)
- Country of Origin: Mexico
- Dimensions: 2 in × 4 in × 2 in
- Weight: 0.6 lbs
Typical Applications
- Machine tool limit switching and end-of-stroke detection
- Packaging and conveyor system position sensing
- Process automation and safety interlocks
- Industrial equipment emergency stops and guards
- Heavy-duty manufacturing environment control circuits
Compatibility & Replacements
Compatible With
- Honeywell HDLS series heavy-duty limit switches
- Honeywell LSA series limit switches
- Standard industrial control panels with 600V AC / 250V DC switching circuits
- Systems requiring NEMA 1, 3, 4, 4X, 6, and 6P enclosure ratings
Replaces / Drop-In Replacement For
- Original Honeywell LSZ1A operating heads
- Equivalent HDLS series rotary actuator heads
Works With
- Allen-Bradley industrial control systems (where limit switching is required)
- Siemens and other third-party PLC networks using standard limit switch I/O
- EtherNet/IP and PROFINET-enabled gateways for sensor integration
- Standard 600V industrial electrical networks and panel designs
