PS640 Series Medium-voltage Protection Relays

Easily build a solid foundation for your utility or industry power distribution system's safe, reliable, and cost-effective operation with the PS640 series. Little engineering required. Our protection relays use a stable yet innovative platform with 20 years of successful experience. In one IED, you gain protection, control, measurement, and supervision functions.

• One platform for multiple applications
• Simplified architecture for easy engineering
• Reliable, proven technology
• Enhanced communication and disturbance recorder