Product Brochure
V5-T4-38 Volume 5—Motor Control and Protection CA08100006E—May 2013 www.eaton.com
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4.3
Definite Purpose Contactors and Starters
Starters
15–75A, Single- and Three-Phase—A30, B30 and
C440/XT Electronic Overload Relay
Contents
Description Page
25–60A, Single- and Three-Phase—A25, B25 . . . . V5-T4-23
15–45A, Single- and Three-Phase—A27, B27 . . . . V5-T4-30
15–75A, Single- and Three-Phase—A30, B30 and
C440/XT Electronic Overload Relay
Standards and Certifications . . . . . . . . . . . . . . V5-T4-39
Catalog Number Selection . . . . . . . . . . . . . . . . V5-T4-39
Product Selection . . . . . . . . . . . . . . . . . . . . . . . V5-T4-40
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . V5-T4-42
Technical Data and Specifications . . . . . . . . . . V5-T4-43
Wiring Diagrams . . . . . . . . . . . . . . . . . . . . . . . V5-T4-45
15–75A, Single- and Three-Phase—A30, B30 and
C440/XT Electronic Overload Relay
Product Description
A30 and B30 Starters
A30 and B30 Definite
Purpose Starters from Eaton’s
electrical sector combine the
features and flexibility of the
C25 Definite Purpose
Contactors and C440
Electronic Overload Relays.
C440 Overload
C440 is the most compact,
high-featured, economical
product in its class.
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
A30 and B30 Starters
●
Standard version:
selectable trip class
(10A, 10, 20, 30) with
selectable manual or
auto reset
●
Current adjustment
range: 5:1
●
Self-powered design—will
accept AC voltages from
12 to 690V 50/60 Hz
●
Ambient temperature
compensation
●
Low heat generation
●
Phase loss protection
●
Phase unbalance
protection
●
Electrically isolated
1NO-1NC contacts
(push-to-test)
●
Trip status indicator
C440 Overload
●
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
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