Siemens SIPROTEC 5 7VK87 Breaker Management Relay

High-performance numerical protection for breaker management ، Expandable hardware for future upgrades ، 4xI, 4xV inputs and outputs ، Automatic reclosing, synchro-check, and failure protection ، Tripping: 1-pole, 3-pole, or 3-pole configurations ، Inputs and outputs: ، 4/4 or 8/8 current transformers / voltage transformers ، 5 to 31 binary inputs ، 8 to 46 binary outputs ، Modular hardware design for flexible I/O structure ، Housing width: 1/3 × 19 inches to 2/1 × 19 inches ، Conformal coating as standard ، Protection communication over various media, including optical fiber and two-wire connections ، SCADA and control system integration