Rockwell Automation 193-EC4 EC4 Current Monitoring Relay User Manual - Manual (Page 11)

12 Rockwell Automation Publication 193-UM011A-EN-P - September 2010
Chapter 1 Product Overview
Catalog Number
Explanation Figure 2 - Catalog Number Explanation
Single-/Three-Phase
Operation The EC4 Current Monitoring Relay is factory-programmed to monitor
three-phase current. The installer can easily change to single-phase operation by
accessing and changing the setting of Parameter 27,
Single/Three Ph. Refer to
Chapter 2 — Installation and Wiring – for typical motor connections.
Protection and Warning
Functions The EC4 Current Monitoring Relay provides the following protection and
warning functions:
• L(1-3) Undercurrent
• L(1-3) Overcurrent
• L(1-3) Loss
• Communication Fault/Idle
• Number of Starts (warning only)
• Number of Hours (warning only)
Refer to Chapter 3 — Protective Trip and Warning Functions and Chapter 5
— Programmable Parameters
for further explanation of these functions.
Current Monitoring
Parameters The EC4 Current Monitoring Relay allows the user to monitor the following
operational data over the DeviceNet network:
• Individual phase currents (in amperes)
• Ground fault current (in amperes)
Refer to Chapter 6 — Current Monitoring Parameters for further information.
193 - EC4 B B
Bulletin
Number
Type
EC4 EC4
Current Rating
(Amps)
P
0.4…2.0
A 1…5
B 3…15
C 5…25
D 9…45
E 18…90
Z 9…5000
Bulletin 100
Contactor Size
B C09…C23
D C30…C43
E C60…C85
Z Panel Mount, CT fed