Overview
The Siemens CXL40*3E motor contactor is a rugged, field-proven 3-pole switching device rated for 135A at 600V. This industrial-duty unit meets both IEC and NEMA standards, making it suitable for motor control applications in manufacturing plants, HVAC systems, and general industrial machinery. The CXL40*3E represents Siemens’ commitment to dependable electromagnetic switching with a long service history in North American industrial environments.
Key Features
- 3-pole configuration for 3-phase motor control
- 135A continuous current rating at 600V AC
- IEC and NEMA compliant design
- Electromagnetic coil-operated switching mechanism
- Compact industrial form factor for panel mounting
- Proven reliability in legacy and replacement applications
Technical Specifications
See the specifications table for detailed electrical and physical parameters of this Siemens contactor model.
Typical Applications
The CXL40*3E motor contactor is commonly used for:
- Motor starter assemblies and soft-start panels
- HVAC equipment control and fan motor switching
- Pump and compressor motor control
- Industrial machinery main contactor duty
- Replacement units in existing Siemens control systems
Compatibility & Replacements
The CXL40*3 is a legacy Siemens contactor series. When sourcing replacements or upgrades, verify coil voltage, pole configuration, and current rating against your original specification. Modern Siemens SIRIUS contactors offer enhanced performance and may require panel modification. Always confirm mechanical and electrical interlock compatibility with existing starter assemblies before substitution. Used condition units are ideal for spare parts inventory or retrofit applications where original part numbers are required.








