SQN160003B - 150A, 3-Pole, Disconnect Switch

The SQN160003B 150A, 3-Pole Disconnect Switch is built for serious electrical isolation in demanding industrial and commercial environments. Designed to support proper lockout/tagout procedures, it provides a safe, reliable means to disconnect power and protect personnel during maintenance, service, and machine changes. With a focus on long-term durability, this disconnect switch is engineered to perform consistently under load, reducing downtime and helping your operation stay productive. What makes the SQN160003B stand out - 150A amperage rating for dependable control of medium-to-heavy three-phase loads, delivering clean isolation when you need it. - 3-Pole design ensures all three live conductors are disconnected, delivering full, safe isolation for complete equipment shutdown. - Lockout/tagout compatibility built into the design, supporting compliant safety procedures and reducing the risk of unexpected energization. - Proven performance under load, with a mechanism that delivers reliable disconnection when it matters most—during maintenance or fault conditions. - Durable, purpose-built construction for extended service life in busy electrical rooms, manufacturing floors, and service installations. Ideal applications and use cases - Facilities with three-phase machinery and equipment—manufacturing lines, conveyors, presses, and motors—that require secure, simultaneous disconnection of all conductors. - Maintenance and service workflows where lockout/tagout safety is essential to protect technicians. - Service disconnects in commercial spaces such as large HVAC systems, pumping stations, and industrial control panels. How it benefits your operation - Enhanced safety: Complete isolation of all conductors minimizes the risk of accidental energization during work. - Increased reliability: Designed to maintain performance over time, reducing replacement cycles and downtime. - Compliance-ready: Aligns with standard lockout/tagout practices to help you meet safety regulations and internal safety policies. - Operational clarity: Clear, decisive disconnection supports quick, confident maintenance and testing. Usage tips and best practices - Integrate the SQN160003B into your standard maintenance SOPs to ensure consistent lockout/tagout application. - Pair with your existing lockout devices and tags to create a robust safety barrier around energized equipment. - Schedule periodic inspections of the switch’s mechanical action and mounting integrity to preserve dependable performance. - Use in three-phase systems wherever full, simultaneous isolation is required to protect workers and equipment. Specifications at a glance - Amperage Rating: 150A - Number of Poles: 3-Pole - Product Type: Disconnect Switch - Model: SQN160003B The SQN160003B is the practical, safety-forward choice for professionals who demand reliable isolation, straightforward integration, and durable performance in everyday electrical work.