Siemens 3KL Main Switch Disconnector Fuse (SDF)
The Siemens 3KL Main Switch is a high-performance switch disconnector fuse (SDF) engineered for reliable main control, safety isolation, and short-circuit protection in low-voltage power distribution systems. Built to handle both AC and DC applications up to 690V AC, it ensures long service life, safety, and adaptability across industrial, commercial, and residential environments.
The Siemens 3KL series offers unmatched safety and reliability in power distribution. Its innovative roller contact system ensures durability, while clear OFF indication and fuse monitoring options add layers of safety for operators. Backed by Siemens’ trusted engineering, the 3KL switch is designed to meet international IEC standards, making it a dependable choice for critical applications.
Specifications
- Brand
- SIEMENS Electrical Products
- Availability
- In stock
Key features
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Roller Contact Mechanism for reduced erosion and long electrical life
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Positive OFF Indication for enhanced operational safety
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Compatible with standard DIN / BS / SITOR fuses
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High short-circuit breaking capacity with parallel roller contacts
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Padlocking provision for unauthorized access prevention
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Optional fuse monitoring system for added safety
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Adjustable Shaft for various panel depths
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Site-Mountable Accessories for flexible installation
Applications
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Industrial & Commercial: Motor feeders, power distribution panels, and main switchboards
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Residential & Building Applications: Main isolation and protection in building switchboards
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Specialized Systems: UPS systems, frequency converters, and capacitor control with SITOR fuses
Downloads
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SIEMENS Electrical Products
Stocked at our Coimbatore counter and dispatched across India.
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