PCE Merz MZ 21 121 2-Pole Changeover Switch (Manual) with Direct Handle
The PCE Merz MZ 21 121 2-Pole Changeover Switch is a high-performance manual switch designed for reliable and secure power transfer between two sources. Featuring a direct handle, it ensures smooth and precise manual operation, making it ideal for industrial, commercial, and residential applications. Its 2-pole configuration efficiently switches single-phase electrical loads, ensuring uninterrupted power supply for backup systems, generators, and control panels.
Key Features:
✅ 2-Pole Configuration – Designed for safe and efficient switching of single-phase electrical loads.
✅ Manual Operation with Direct Handle – Ensures easy and controlled switching for secure power transfer.
✅ Durable & Robust Construction – Engineered for long-lasting performance in demanding environments.
✅ Seamless Power Source Transition – Ideal for switching between main power and backup generators.
✅ Compact & Space-Efficient Design – Fits easily into electrical enclosures and panels.
✅ High Load Capacity – Handles significant electrical loads with efficiency and stability.
✅ Enhanced Safety Mechanism – Prevents accidental switching to protect users and equipment.
Applications:
- Industrial & Commercial Power Systems
 - Backup Generator Switching
 - Control Panels & Electrical Distribution Boards
 - Renewable Energy Systems
 - Residential Power Management
 
The PCE Merz MZ 21 121 Changeover Switch is a dependable and efficient solution for manual power switching, ensuring safety and reliability in critical power applications.
Specifications
| Type | Changeover Switch | 
| Operational Rating | 63 Amps | 
| Number of Poles | 2 | 
| Positions | 1-0-2 | 
| Operated Type | Cam Operated with Direct Handle | 









