Intertie Protection M‑3520 Integrated Protection System®

• Integrated Protection System for DER Intertie, providing:

 Loss of parallel utility operation protections

 Abnormal power flow protections

 Comprehensive suite of phase and ground

fault backed protections

 Abnormal operating protections

 Reconnect and Sync Check functions

• Microprocessor-based Intertie Protection Relay integrates

protection, metering, monitoring and waveform capture

• Provides 18 base protective relay functions and

3 optional protective functions

• Local and remote serial communications capabilities, plus

IRIG-B interface

Optional Features

• Redundant power supply

• M-3915 Target Module

• M-3931 Human-Machine Interface Module

• M-3801D IPSplot® PLUS Oscillograph Analysis Software

• 4-Wire RS-485 Connection