This product page details the Siemens SENTRON 3LD switch disconnector, a reliable 3-pole main switch designed for safe isolation and switching in electrical distribution systems. Rated at 16A, this robust device provides secure load switching, reliable isolation for maintenance, and main switch functionality in control panels, distribution boards, and industrial applications.
Overview of the Switch Disconnector
The SENTRON 3LD switch disconnector serves as a fundamental safety component in electrical installations. Because it combines switching and isolation functions in a single device, it ensures safe maintenance operations while providing reliable load switching capabilities for various electrical circuits and equipment.
Key Features and Technical Specifications
This Siemens device is engineered for both safety and performance. Therefore, here are its essential characteristics:
- Poles: 3-pole configuration for three-phase systems
- Current Rating: 16A for standard distribution circuits
- Function: Main switch and isolator combination
- Breaking Capacity: Suitable for rated current switching
- Mounting: Designed for standard panel mounting
- Operation: Rotary handle operation with clear ON/OFF indication
- Standards: Compliant with IEC/EN 60947-3 standards
- Safety: Isolation function with visible contact separation
Typical Applications and Use Cases
The versatility of the SENTRON 3LD switch disconnector makes it suitable for numerous electrical applications. For example, it is commonly used as:
- Main switch in distribution boards and subpanels
- Isolator for motors and machinery maintenance
- Control circuit main disconnect
- HVAC and building management system isolation
- Industrial machine local disconnection
- Power supply input isolation
- Maintenance safety switch in commercial installations
For complete circuit protection solutions, explore our range of compatible circuit breakers and protection devices from the Siemens SENTRON portfolio.
Why Choose Siemens SENTRON Switch Disconnectors?
Selecting the SENTRON 3LD switch disconnector provides significant advantages for electrical safety and reliability. Firstly, the visible contact separation ensures safe isolation for maintenance, providing personnel protection that meets international safety standards. Secondly, the robust construction and reliable switching mechanism guarantee long-term performance even in demanding industrial environments. Consequently, you achieve both operational flexibility and maintenance safety in your electrical distribution systems.
Installation and Safety Considerations
Proper installation of the switch disconnector is essential for safe operation. Mount the device in an accessible location with clear visibility of the ON/OFF position indicator. Ensure adequate cable bending space and use appropriate cable sizes for the 16A rating. Furthermore, always follow lockout/tagout procedures during maintenance and verify the isolation function before working on downstream circuits.
For detailed technical specifications and installation guidelines, consult the official Siemens switch disconnector technical documentation.
Ensure Safe Electrical Isolation Today
In summary, the Siemens SENTRON 3LD switch disconnector represents a reliable and safe solution for electrical switching and isolation requirements. Finally, by incorporating this quality device into your electrical systems, you ensure compliance with safety standards, enable safe maintenance procedures, and provide reliable circuit control for your commercial and industrial applications.
