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LS SMA load break switches are designed for the reliable disconnection and switching of direct current in photovoltaic systems, as well as in industrial and commercial installations. Models with different rated currents and pole configurations offer application flexibility and allow you to select the optimal device for a specific circuit configuration. All switches in the LS SMA series are characterized by high reliability, long service life, and compliance with international safety standards.
Technical Specifications
- Switch Type: Load Switch
- Rated current: 16A, 25A, 32A, 58A (depending on model)
- Number of poles: 2p, 4p, 4+2p
- DC voltage: up to 1000 V
- Position indicators: “1-0” (on/off)
- Mounting type: DIN rail
- Housing material: high-quality insulating plastic
- Protection rating: IP20
- Temperature range: -25°C … +70°C
Features and advantages
- Reliability: high resistance to DC switching loads
- Safety: insulated housing and mechanical interlock prevent accidental contact with live parts
- Flexibility of use: various current ratings and pole configurations available
- Easy installation: easy mounting on a standard DIN rail without additional adapters
- Visual inspection: clear “1-0” position markings
- Compatibility: suitable for PV circuits, inverters, and industrial DC installations
Applications
LS SMA circuit breakers are used for:
- Disconnecting and switching DC power in photovoltaic systems
- Protecting inverter and controller circuits against overloads
- Improving safety for maintenance personnel working in DC switchgear
- Use in industrial and commercial DC systems up to 1000 V
Accessories and components
- Additional contact blocks and signaling devices
- Conductors and terminals for connecting DC circuits
- Seals and plugs for enhanced safety
Total-Energo LLC
We offer high-quality LS SMA load break switches with a guarantee of reliability and compliance with safety standards. Our specialists will help you select the optimal model for your system, and fast delivery throughout Ukraine ensures prompt installation of switchboards and electrical circuits.