Isolator and Universal Transfer Switch HZ5B20/3 06 Overview The HZ5B20/3 06 isolator and universal transfer switch provides reliable manual switching and isolation for threephase systems. Its clearly indexed 0 to 6 positions and threepole configuration make it suitable for controlled transfer of power and safe disconnection during maintenance. Key benefits Safe, reliable switching and isolation for threephase circuits. Enables positive disconnection and controlled transfer between power sources. Clear position indexing from 0 to 6 for accurate, repeatable operation and quick visual verification of switch state. Threepole configuration designed for common industrial and commercial threephase installations. Universal transfer functionality allows use in a variety of applications where source selection or load transfer is required. Robust mechanical construction and durable insulating housing for consistent performance in routine switching tasks. Compact, panelfriendly form for easier integration into existing switchboards and control panels. Straightforward wiring and installation to simplify retrofits and panel builds. What this product does Isolates electrical circuits to permit safe maintenance and repairs. Transfers load between two supplies or between supply and standby power when manual selection is required. Provides a visible, mechanical indication of switch position for operational clarity. Compatibility and fit Model HZ5B20/3 06 is intended for threepole electrical systems and is compatible with standard threephase distribution panels, generators, motor control centers, and transfer arrangements that require a manual transfer isolator. Designed to integrate into typical switchboard layouts where a compact manual transfer isolator is required. Key attributes Function: Manual isolator and universal transfer switch for threepole systems. Model identification: HZ5B20/3 06. Configuration: Threepole design with indexed positions 0 through 6. Construction: Durable insulating housing and heavyduty contact mechanism for reliable switching. Installation: Panelfriendly form factor intended for straightforward integration into control panels and switchboards. Performance: Built for frequent manual switching and dependable mechanical operation in commercial and industrial settings. Practical applications Backup power selection: Manual transfer between utility supply and generator in commercial buildings to manage nonautomated backup power arrangements. Maintenance isolation: Securely isolate equipment or panel sections during service work to protect personnel and prevent accidental energization. Supply management in industrial settings: Manually select or transfer supply paths for machinery or production lines during line changes, testing, or lowcomplexity redundancy schemes. Why choose the HZ5B20/3 06 This model provides a straightforward, dependable solution for manual isolation and transfer duties in threephase installations. It combines a clear, indexed control interface with a compact, durable design that fits common switchboard environments and helps reduce downtime during switching or maintenance operations. Ordering note Specify model HZ5B20/3 06 when replacing or provisioning a manual threepole isolator and transfer switch to ensure correct configuration and functionality.