G&W Electric Unveils Next-Generation Viper®-ST Recloser at DISTRIBUTECH 2025
G&W Electric, a global leader in power grid solutions, has announced the launch of its latest innovation, the next-generation Viper®-ST recloser, at DISTRIBUTECH 2025. This advanced recloser comes with expanded voltage and current ratings, reinforcing its capability to support modern electrical distribution systems. Designed to meet the increasing demands of utilities worldwide, the new Viper-ST recloser is now available with ratings of up to 170kV Basic Insulation Level (BIL) and 1000A continuous current. These enhancements provide utilities with superior reliability, flexibility, and automation readiness, helping them build a smarter, more resilient electrical grid.
Addressing the Challenges of Modern Grid Management
The energy landscape is evolving rapidly, with utilities facing mounting pressure to enhance grid reliability while integrating distributed energy resources (DERs) such as solar, wind, and battery storage. The need for adaptable, high-performance equipment that supports automation and grid modernization has never been greater.
“Utilities today are facing mounting pressure to enhance grid reliability while integrating distributed energy resources,” said John Gounaris, Vice President of Global Marketing for G&W Electric. “The Viper-ST recloser is designed to provide the advanced protection and monitoring that utilities need to strengthen their networks, reduce outages, and enable future automation—all in a compact and flexible design.”
The Viper-ST recloser is engineered to help utilities meet these challenges by offering advanced protection, seamless integration with modern automation technologies, and a design that facilitates rapid deployment and ease of installation.
Innovative Features of the Next-Generation Viper-ST Recloser
The new Viper-ST recloser incorporates several groundbreaking features aimed at enhancing grid resiliency and operational efficiency. Some of the key attributes include:
1. Expanded Ratings for Enhanced Performance
The latest Viper-ST recloser supports a broader range of applications with:
- Availability in all distribution voltage classes.
- Increased ratings up to 170kV BIL and 1000A continuous current.
- High interrupting capabilities of 12.5kA and 16kA to accommodate varying grid requirements.
2. Seamless Automation Integration
As utilities transition toward a smarter, more connected grid, automation readiness is a critical requirement. The Viper-ST recloser is designed for seamless integration with:
- SEL-651R control and other advanced control options.
- Remote operation capabilities for real-time monitoring and faster fault isolation.
- Enhanced communication protocols that enable compatibility with various grid management systems.
3. Advanced Voltage and Current Sensing for Improved Diagnostics
To support precise grid monitoring and fault analysis, the Viper-ST recloser includes:
- Up to six internal voltage sensors and three dual-ratio current transformers (CTs).
- Optional six external Accusense® voltage sensors and three external CTs for enhanced diagnostic accuracy.
- High-accuracy measurement capabilities to facilitate predictive maintenance and real-time grid adjustments.
4. Reduced Installation Time and Simplified Deployment
The Viper-ST recloser is designed to minimize installation time and enhance operational efficiency. Key benefits include:
- Lightweight and compact design, making transportation and installation easier.
- Preconfigured site-ready package to ensure faster deployment.
- Compatibility with pole-mount, substation, and padmount configurations, offering application flexibility for diverse grid setups.
5. Future-Proof Grid Readiness
The recloser is engineered to evolve with the needs of the smart grid by offering:
- A flexible design that supports future grid automation requirements.
- Compatibility with a range of monitoring and control technologies to ensure long-term adaptability.
- Scalable solutions for utilities looking to modernize their infrastructure in phases.
6. Application Flexibility for Diverse Use Cases
Utilities require adaptable solutions that cater to different operational needs. The Viper-ST recloser delivers versatility with:
- Dead-front module configurations for increased safety.
- Multiple frame design options to accommodate switching, metering, and power quality analysis within a single system.
- An environmentally resilient design featuring high-performance epoxy encapsulation for superior insulation and protection against harsh conditions.
A Game-Changer for Grid Reliability and Efficiency
By introducing these enhancements, G&W Electric aims to help utilities overcome challenges related to power outages, system failures, and evolving grid dynamics. The Viper-ST recloser plays a critical role in improving overall grid performance by offering enhanced safety, faster response times, and reduced maintenance requirements.
Utilities investing in the Viper-ST recloser will benefit from increased operational efficiency, lower total cost of ownership, and improved service reliability for end customers. As the power distribution industry continues to shift toward greater automation and sustainability, solutions like the Viper-ST recloser are essential for ensuring a stable and adaptable grid infrastructure.
Meet the Viper-ST Recloser at DISTRIBUTECH 2025
The next-generation G&W Viper-ST recloser will make its official debut at DISTRIBUTECH 2025, Booth 3403. This premier event provides an opportunity for utility professionals, engineers, and industry leaders to explore cutting-edge technologies and network with experts in the field. Attendees will have the chance to:
- Experience the Viper-ST recloser firsthand and see its expanded ratings and advanced automation capabilities in action.
- Engage with G&W Electric specialists to discuss how this next-generation solution can be tailored to specific utility needs.
- Gain insights into how the Viper-ST recloser supports grid modernization and future-proofing strategies.
G&W Electric invites all DISTRIBUTECH attendees to visit their booth and explore how the Viper-ST recloser can help shape the future of power distribution.
With its expanded ratings, enhanced automation features, and future-ready design, the next-generation Viper-ST recloser stands out as a critical innovation for modern utilities. As the industry moves toward smarter, more resilient grid systems, solutions like the Viper-ST recloser are essential for ensuring long-term reliability and operational efficiency.
By launching this G&W advanced recloser at DISTRIBUTECH 2025, G&W Electric reinforces its commitment to delivering state-of-the-art solutions that empower utilities to meet the challenges of an evolving energy landscape. Be sure to visit Booth 3403 to learn more about how the G&W Viper-ST recloser can help transform your distribution network.
