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Installation Leafl et 

IL04209007E-HVR

Effective May 2011

C441 Motor Insight™ Overload Relay (120V

Control Powered) Product Installation Leafl et

Eaton Corporation

Electrical Sector
1000 Cherrington Parkway
Moon Township, PA 15108
United States
877-ETN-CARE (877-386-2273)
Eaton.com

© 2009 Eaton Corporation
All Rights Reserved
Publication No. IL04209007E-HVR Rev003
May 2011

PowerChain Management is a registered 
trademark of Eaton Corporation. 

All other trademarks are property of their 
respective owners.

Fault Codes

After a trip, Motor Insight overload relay will indicate the Trip reason with a Fault Code on the display and by illuminating the appropriate 
Protection/Operation (P/O) LEDs.  

Table 6.  Fault Codes

Fault

Code

User Interface

Notes

Mode LED

P/O LED

Display

Number of Restarts Exceeded

1

Operation

Fault Reset Tries & Load 
Reset Tries

rEt

Could result from excessive motor or load faults.

Remote Off

2

None

None

rOF

Relay turned off (network or UI).

Contactor Failure

3

Protection

Current Unbalance %

F.03

Voltage and current phase loss.

Low Power (kW)

15

Protection

Low Power (kW)

F.04

Only for applications between 120V - 660V are these settings appli-
cable. Reference USER Manual MN04209001E for configuration.

Motor Overload

5

Operation

Trip Class

F.05

Ground Fault

6

Protection

Ground Fault (A)

F.06

Current Unbalance

7

Protection

Current Unbalance %

F.07

Current Phase Loss

8

Protection

Current Unbalance %

F.08

Current phase loss without voltage phase loss.

Reserved

9

High Power (kW)

10

Protection

High Power (kW)

F.10

Only for applications between 120V - 660V are these settings appli-
cable. Reference USER Manual MN04209001E for configuration.

Overvoltage 

11

Protection

Overvoltage (V)

F.11

Only for applications between 120V - 660V are these settings appli-
cable. Reference USER Manual MN04209001E for configuration.

Undervoltage

12

Protection

Undervoltage (V)

F.12

Only for applications between 120V - 660V are these settings appli-
cable. Reference USER Manual MN04209001E for configuration.

Voltage Unbalance

13

Protection

Voltage Unbalance %

F.13

Only for applications between 120V - 660V are these settings appli-
cable. Reference USER Manual MN04209001E for configuration.

Jam

14

Protection

Jam Trip %

F.14

Under Current

4

Protection

Under Current  %

F.15

Phase Rotation

16

Protection

Phase Rotation

F.16

Other

Consult User Manual.

Display Messages

The following display messages may appear on Motor Insight overload relay user interface to indicate status.

Table 7.  Display Messages

Message

Description

rOF

The relay has been turned off.

rSt

The Restart Delay is timing down. Caution — an auto-reset attempt is pending.

rEt

The number of auto-resets attempts has been exceeded. A manual reset is required.

ub

Only for applications between 120V - 660V are these settings applicable. Reference USER Manual MN04209001E for configuration.

HI

Only for applications between 120V - 660V are these settings applicable. Reference USER Manual MN04209001E for configuration.

LO

Only for applications between 120V - 660V are these settings applicable. Reference USER Manual MN04209001E for configuration.

1PH

Only for applications between 120V - 660V are these settings applicable. Reference USER Manual MN04209001E for configuration.

gnd

A ground fault condition has been detected. This message will flash with the displayed parameter in the alarm-no-trip mode.

OFF

The protection parameter is disabled. 

999

The display parameter exceeds the display range.

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