DIN-rail Mountable Surge Protection

Oct. 5, 2011
Weidmuller announces a new DIN-rail mountable surge protection family, the SPD Series, with local and remote self-monitoring.

The range includes seven SPD models, with accessories, for low voltage distribution and protection of industrial control systems, equipment, assemblies and devices.

The power range, SPD II, is UL 1449 Edition 3 approved to protect A.C. single and multi-phase distribution circuits with nominal voltages up to 480V, and safely discharge impulse surges up to 40kA (8/20μs) to ground. The SPD II's compact modular construction uses only 18mm of rail width per phase, and allows quick and easy arrestor replacement. Weidmuller's SPD III model, for single-phase devices, provides low cost, common-mode protection (between Line, Neutral and Ground), with maximum discharge capacity of 20kA (8/20μs).

Weidmuller's SPD design is based on high-energy varistors (MOVs) equipped with thermal disconnects and integral failure indicators. A remote signaling contact for disconnection indication is standard on each unit. For ease of replacement, varistors are housed in pluggable modules with connections that are mechanically keyed to the base to prevent incorrect arrestor module replacement. Wide ambient operating temperature ranges, from -50°F to 185°F, make the SPD family particularly suitable for process control applications.

In addition to UL approval, Weidmuller's new SPD Series, is CSA approved to CSA Electrical Notice No. 516, Surge/Transient Voltage Suppressors.

Weidmuller - www.weidmuller.com

Sponsored Recommendations

Wireless Data Acquisition System Case Studies

Wireless data acquisition systems are vital elements of connected factories, collecting data that allows operators to remotely access and visualize equipment and process information...

Strategizing for sustainable success in material handling and packaging

Download our visual factory brochure to explore how, together, we can fully optimize your industrial operations for ongoing success in material handling and packaging. As your...

A closer look at modern design considerations for food and beverage

With new and changing safety and hygiene regulations at top of mind, its easy to understand how other crucial aspects of machine design can get pushed aside. Our whitepaper explores...

Fueling the Future of Commercial EV Charging Infrastructure

Miguel Gudino, an Associate Application Engineer at RS, addresses various EV charging challenges and opportunities, ranging from charging station design strategies to the advanced...