Mersen Launches Critical Power Panelboard (CPP)
February 12, 2026

Protect your critical power systems with Mersen’s Critical Power Panel series panelboard
Mersen, a global expert in electrical protection and control for electrical power systems is excited to announce the latest in its portfolio of fully customizable fused panelboards.

Mersen’s Critical Power Panel (CPP) series panelboard is designed with crucial applications in mind. Mersen’s CPP offers installers quicker specification, easier installation, and customers a lower cost option. This lightweight panelboard, in a smaller footprint, and with in-house sourced components, translates into better design control and improved availability.
Ideally suited for National Electrical Code® (NEC) required and non-required applications such as:
- UPS Systems
- Data Centers
- Medium Voltage eHouses
- Emergency Circuits (required by NEC 700.27)
- Legally Required Standby Systems (required by NEC 701.18)
- Lighting loads or any load up to 30A
- DC applications for utility and railway markets
Features and Options
- Integral Surge Protection (required on critical circuits)
- Feed Through Lugs
- Standard Dual/Sub Feed Lugs on MLO Mains
- Preconfigured options available
- Patented “Z” Bus Bar
Additional Benefits
- Few connection points to minimize electrical/mechanical points of failure
- Robust steel back plate
- High interrupting rating – up to 200kA with up to a 400A fuse (main or remote)
- Easy selective coordination using Mersen Amp-Trap 2000® fuses or any other Class CC fuses for branch circuit protection
This UL 67 panelboard has multiple options for switched fused mains, up to 400A, featuring Mersen’s UL 98 rated Compact Fused Disconnect (CEP) and Amp-Trap 2000 Class CC fuses for branch circuit protection. Fuses can be changed for the application to offer more time delay or faster protection based on the application. The panel, main, and branch circuits can be applied up to 600VAC or 125VDC. These benefits lead to a panelboard that is easy to apply, install, and maintain while serving your most important electrical loads.
More Information
The Mersen Critical Power Panel is a highly configurable panelboard with many options. Please contact their panelboard team at 978-465-4977 or email them for submittal and bid packages.
Related Story
Mersen: Sales of €1.2 Billion in 2025, In Line with Expectations
Mersen, a global expert in electrical power and advanced materials, has reported consolidated sales of €1,186 million for full-year 2025, down 3.2% on an organic basis. The Group held a webcast and conference call in English on January 28, 2026 at 6:00 p.m. CET. To register for the webcast, click on the following link: 2025 Full-Year Sales.
