Introduction
C440/XTOE Electronic Overload Relay, DeviceNet
MN04210002E—March 2011 www.eaton.com
1
Introduction
System Overview
Eaton’s new electronic overload relay (EOL) is the most
compact, high-featured, economical product in its class.
Designed on a global platform, the new EOL covers the entire
power control spectrum including NEMA
®
, IEC, and
DP contactors. The NEMA and DP versions are offered with the
C440
designation while the IEC offering has the
XT
designation.
The electronic design provides reliable, accurate and value
driven protection and communications capabilities in a single
compact device. It is the flexible choice for any application
requiring easy-to-use, reliable protection.
Eaton has a long history of innovations and product
development in motor control and protection, including both
traditional NEMA, as well as IEC control. It was from this
experience that the C440 was developed, delivering new
solutions to meet today’s demands.
C440 is a self-powered electronic overload relay available up
to 100A as a self contained unit. With external CTs, C440 can
protect motor up to 1500 FLA. Available add-on accessories
include remote reset capability and communication modules
with I/O for DeviceNet™, PROFIBUS
®
, and Modbus
®
.
Features and Benefits
Features
●
Reliable, accurate, electronic motor protection
●
Easy to select, install and maintain
●
Compact size
●
Flexible, intelligent design
●
Global product offering—available with NEMA, IEC, and
DP power control
Size/Range
●
Broad FLA range (0.33–1500A)
●
Selectable trip class (10A, 10, 20, 30)
●
Direct mounting to NEMA, IEC, and DP contactors
●
Most compact electronic overload in its class
Motor Control
●
Two B600 alarm (NO) and fault (NC) contacts
●
Test/Trip button
Motor Protection
●
Thermal overload
●
Phase loss
●
Selectable (ON/OFF) phase unbalance
●
Selectable (ON/OFF) ground fault
User Interface
●
Large FLA selection dial
●
Trip status indicator
●
Operating mode LED
●
DIP switch selectable trip class, phase unbalance, and
ground fault
●
Selectable Auto/Manual reset
Feature Options
●
Remote reset
●
120 Vac
●
24 Vac
●
24 Vdc
●
Tamper-proof cover
●
Communications modules
●
Modbus RTU RS-485
●
DeviceNet with I/O
●
PROFIBUS with I/O
●
Modbus RTU with I/O (Q4 2010)
●
Ethernet IP (planned)
C440 DeviceNet.book Page 1 Friday, March 25, 2011 10:41 AM
For Immediate Delivery or Tech Support call KMParts.com at (866) 595-9616
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