Protection Devices
> 6MD61x I / O Box
> 6MD63x Medium Voltage Bay Unit
> 6MD662-664 Bay Control Unit
> 6MD665 Bay Processing Unit
> 7PA2 / 3 Relays for high responsibility applications
> 7RE28x Voltage Balance Relay
> 7RW600 Voltage- / Frequency Protection
> 7SA522 Distance Protection
> 7SA6xx Distance Protection and Control
> 7SD52x / 53x Differential Protection for 2 - 6 Line-Terminals with Distance Protection
> 7SD600 Line Differential Protection for one pilot wire pair
> 7SD610 Universal Two-Terminal Differential Protection
> 7SJ45 easy Numerical overcurrent protection
> 7SJ46 easy Numerical overcurrent protection
> 7SJ600 Overcurrent, Motor and Overload Relay
> 7SJ601 Overcurrent, Motor and Overload Relay
> 7SJ602 Overcurrent and Overload Relay
> 7SJ61x Multifunction Protection
> 7SJ62x Multifunction Protection
> 7SJ63x Multifunction Protection
> 7SJ64x Multifunction Protection with Synchro Function
> 7SJ80x Multifunction Protection Relay
> 7SK80x Motor Protection Relay
> 7SN600 Transient Earth-Fault Relay
> 7SS52x Distributed Busbar and Circuit-Breaker Failure Protection Relay
> 7SS60x Centralized Numerical Busbar Protection
> 7ST61x / 63x Overhead Contact-Line Protection for AC Traction Power Supply
> 7SV600 Numerical Circuit–Breaker Failure Protection Relay
> 7TS15 / 16 Annunciation Relay
> 7UM61x Multifunction Generator Protection Relay
> 7UM62x Multifunction Generator Protection Relay
> 7UT612 Multiple function protection for two winding transformers
> 7UT613 / 63x Differential protection for transformers (2 - 5 windings / ends)
> 7UW50x Tripping Matrix
> 7VE6xx Multifunction Paralleling Device
> 7VH60x High Impedance Differential Relay
> 7VK61x Breaker Management Relay
> 7VP15x Portable Test System
> 7XV75x Test Switch

> 7SA510 Distance Protection
> 7SA511 Distance Protection
> 7SA513 Line Protection Relay
> 7SA518 Overhead Contact-Line Protection Relay
> 7SA519 Overhead Contact-Line Protection Relay
> 7SD502 Line Differential Protection with two Pilot-Wires
> 7SD503 Line Differential Protection with three Pilot-Wires
> 7SD511 Current Comparison Protection Relay
> 7SD512 Current Comparison Protection Relay with AR
> 7SJ50x Overcurrent-Time Protection Relay
> 7SJ511 Overcurrent-Time Protection Relay
> 7SJ512 Overcurrent-Time Protection Relay
> 7SJ531 Line and Motor Protection
> 7SJ551 Multi-Function Protection Relay
> 7SS50x Busbar / Circuit-Breaker Failure Protection Relay
> 7UT51x Differential Protection Relay
> 7SV512 Numerical Circuit–Breaker Failure Protection Relay
> 7SV73x Power Supply Unit
> 7UM511 Generator Protection
> 7UM512 Generator Protection Relay
> 7UM515 Generator Protection Relay
> 7UM516 Generator Protection Relay
> 7VE51x Synchronizing Unit
> 7VH80x High Impedance Differential Relay (1 Pole)
> 7VH83x High Impedance Differential Relay (3 Pole)
> 7VK512 Auto–Reclose Relay