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Engine Paralleling and Integration Control (EPIC)
MX350 Controller

Technical Summary

Configuration Remote modular paralleling control system (Master Control Panel for the first 2 generator sets and optional tie breaker, separate add-on control panels for up to 8 additional generator sets, utility paralleling control, and distribution control) - -
Modes of Operation Emergency Standby with redundant master control, Utility paralleling, peak shaving, and closed transition to/from Generator Power (with optional utility control panel) - -
Application LV and MV (208V-27kV) - -
Rating Range - Switch Dependent -
Transfer Type - Application Dependent -
Switch Type - Application Dependent -

Generator Protective Devices

ANSI Protective Devices 15/25. 27/59, 81 O/U, 32, 40, 90 (Industrial Grade) - -

Utility Protective Devices

ANSI Protective Devices 15/25. 27/59, 81 O/U, 32,47 (Industrial Grade) - -

Environmental Parameters

Certifications UL / cUL 508A - -
Control Panel Enclosure NEMA 12 - -
Operating Temperature 0°C to 55°C - -
Storage Temperature -20°C to 60°C - -

Controller Specifications

Voltage Unbalance on Dropout for Source 1 and Source 2 - 5 to 20% of nominal -
Delay NeutralTransition Time Delays (DT,DW) - 0-10 minutes -
Control Power - 120 VAC -
Undervoltage Dropout for Source 1 and Source 2 - 75-99% of nominal -
Undervoltage Restore for Source 1 and Source 2 - 85-100% of nominal -
Overfrequency Dropout for Source 1 and Source 2 - 50.1 - 63 Hz -
Source Sensing - 120 - 690 VAC +/- 1% of nominal voltage (+/- .05 Hz, +/-.5 A) -
Delay for Engine Cool Down (U) - 0-60 minutes -
Underfrequency Restore for Source 1 and Source 2 - 45 - 59.5 Hz -
Load Control Relay Contacts (2) - 0-259 minutes -
Overvoltage Dropout for Source 1 and Source 2 - 105 - 110% of nominal -
Voltage Unbalance for Restore for Source 1 and Source 2 - 4 to 19% of nominal -
Storage Temperature - (-40˚C - 90˚C ) -
Underfrequency Dropout for Source 1 and Source 2 - 45 - 59.9 Hz -
Overfrequency Restore for Source 1 and Source 2 - 50 - 62.9 Hz -
Delay Transfer to Nonpreferred Source (W) - 0-5 minutes -
Operating Temperature Ambient - (-20˚C to 50˚C) -
Communications Interface - Optional - Serial RS-485 upt to 115.2 Kbps or TCP/IP (10/100 base-T) -
Overvoltage Restore for Source 1 and Source 2 - 103 - 108% of nominal -
Load Control Relay Contacts (1) - rated for 10A @ 24VDC or 120VAC -
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