0 Log In / Register Support Contact Sales
1.877.605.6777
+678.844.6777
Protection & Control
Transmission Protection



L90 Line Differential Protection System
  • High-speed current differential and full distance protection with three and single pole tripping
  • Complete and advanced line protection system intended for application on overhead transmission lines, series compensated lines, and high voltage underground cables
  • Large color graphical HMI and high density I/O option available.
L60 Line Phase Comparison Relay
  • Flexible phase comparison protection for HV and EHV transmission lines.
  • Advanced line phase comparison relay intended for application on overhead transmission lines, series compensated lines, and high voltage underground cables
  • Large color graphical HMI and high density I/O option available.
L30 Line Current Differential System
  • High-speed current differential protection suited to sub-transmission and distribution protection.
  • Advanced current differential relay intended for application on sub-transmission and distribution lines
  • Large color graphical HMI and high density I/O option available.
P54A/B/C/E Multi-Ended Line Differential Protection
  • Proven protection for up to 6 line or cable ends
  • Advanced communications options, supporting IEC 61850 Edition 2, DNP 3.0, IEC 60870-5-103
  • 1/3-pole tripping line differential protection with back-up and inbuilt reclosing (P54E/C)
P543/4/5/6 Line Differential Protection Relay (Optional Distance)
  • Advanced communications supporting IEC 61850 Ed.1 & Ed.2, redundant Ethernet, self-healing ring, RSTP, dual homing or PRP topologies
  • Full suite of monitoring, control and recording capabilities plus fault locator, autoreclose and check synchronism
  • Line-Differential with Optional Subcycle Distance for 1 ½ Breaker Applications (P544/6) and with 5 quadrilateral or mho zones and setting free power swing detection (P543/5)
P541 Line Differential Protection System
  • Line differential protection with overcurrent backup protection with graphical programmable scheme logic (PSL)
  • Proven biased characteristic for distribution/sub-transmission networks
  • Advanced communications options, supporting IEC 60870-5-103, Modbus & Courier easing integration into SCADA systems
P547 Phase Comparison Relay with Distance Protection
  • Phase Comparison with Distance - unit protection, subcycle distance and directional earth fault (DEF)
  • Advanced charging current compensation and angle-shifting to avoid corona issues
  • Advanced communications supporting IEC 61850 redundant Ethernet, self healing ring, RSTP, dual homing or PRP topologies
P443/5/6 MiCOMho Distance Protection Relays
  • Distance protection for transmission (P443/6) and subtransmission (P445)
  • True subcycle distance protection - transmission class security and dependability(P443/6)
  • 2nd Harmonic detection based on Sensitive Earth Fault (SEF) input (P443/5)
P441/2/4 Line Distance Management Relays
  • Distance Protection with Dual Algorithm
  • Full scheme multi-zone distance, plus aided directional earth fault (DEF) and comprehensive backup protection
  • Comprehensive communication options including IEC 61850 and redundant Ethernet ports, Hot standby-Ethernet & Cyber security
D90Plus Sub-cycle Line Distance Protection System
  • Sub-cycle line distance protection & advanced automation controller.
  • Suitable for protecting transmission lines and cables including lines equipped with series compensation.
D60 Line Distance Relay
  • High-speed transmission line protection with three/single pole tripping for medium to extra high voltage transmission lines
  • Large color graphical HMI and high density I/O option available.
D30 Line Distance Relay
  • Cost effective high-speed, three pole, primary and backup distance protection.
  • Large color graphical HMI and high density I/O option available.
C60 Breaker Management System
  • Integrated breaker monitoring and control for substation automation.
  • Provides a complete integrated package for the protection, control, and monitoring or circuit breakers within a substation.
  • Large color graphical HMI and high density I/O option available.
P841 Line Terminal Protection System
  • IN/VN ratings to show a generic description, change of descriptions
  • Mounting to split out the small 40TE case for software 80, change of descriptions
C90Plus Controller
  • Advanced automation & control and high accuracy digital fault recording.
  • Specifically designed for the unique automation requirements of utilities, substation environments and industrial power systems.