Disconnect Switch

The single-phase disconnector is a critical device used for segmenting and isolating overhead medium-voltage line sections, ensuring safety for maintenance, repair, or equipment operation

Impressive Technical Specifications of Single-Phase Disconnector

Key Features:

• M3D disconnectors are manufactured with a choice of polymer or porcelain insulation, performing effectively in tropical regions with high humidity, dust, or industrial pollution. The mechanical design is optimized to minimize wear during switching operations and extend the service life of the equipment.
• With a rated current of 600A or 900A and a momentary short-circuit withstand capacity of up to 40kA, the M3D ensures stable current conduction while minimizing arcing and voltage drops. The device effectively meets the stringent technical requirements of modern distribution grids
• The switching mechanism is ruggedly designed to ensure operational precision, even under vibrating conditions or strong winds. The M3D maintains both mechanical and electrical integrity, enhancing operator safety and minimizing unintended incidents.

Practical Applications

The M3D single-phase disconnector is an ideal choice for the following systems:

• Overhead medium-voltage grids up to 38kV
• Urban and rural distribution substations
• Line segmentation for fault isolation or maintenance
• Industrial parks and manufacturing plants requiring branch circuit isolation
• Medium-voltage grid-tied solar power systems
• Regions with harsh environmental conditions (moisture, dust, corrosion

Why partner with MPCo. for equipment supply?

MPCo. is not only an authorized distributor for Hubbell Power Systems but also a trusted partner in consulting, implementation, and technical installation support for disconnectors and other medium-voltage equipment. We provide:

• Equipment fully compliant with international standards
• Tailored configuration consulting for every project
• End-to-end support: From selection and operation to maintenance and integration

The Hubbell M3D single-phase disconnector is a reliable device, ideal for the segmentation and isolation of overhead medium-voltage lines up to 38kV. Featuring a durable design, flexible insulation options (polymer or porcelain), high current-carrying capacity, and superior reliability, the M3D is the optimal solution for any electrical project demanding long-term safety and operational efficiency