Chapter 1—Power Xpert C445 Overview
4 Power Xpert C445 Global Motor Management Relay MN042003EN—January 2019 www.eaton.com
Accessories
Current Transformer
C445 measurement modules are designed to be used in
applications up to 136 A. For applications beyond 136 A,
external CTs with a 5 A output may be used.
CT Kits do not include Measurement Modules.
Table 1. Suggested Current Transformers
1
Note
1
Catalog numbers are for one CT. Order 3 for a three-phase system. Customer supplied CTs may be also be used. See section on using C445 with external CTs.
Communication and Option Modules
Table 2. Catalog Numbers: C445XC… Optional Communication Cards and
C445XO… Modules
Cables, Wiring Harnesses and Spare Parts
D77E connection cables are required to connect the Base
Control Module to the Measurement Module and to the user
interface. Use the appropriate lengths for each connection.
Table 3. Catalog Numbers: D77E… RJ-12 Cables
User interface wiring harnesses are required to utilize the
digital inputs on the Control Family of User Interfaces.
Use one wiring harness per user interface to connect to
these inputs.
CT Range (A) Description Terminal Size Measurement Module Catalog Number
17–300 300:5 Single-Phase CT, 1.25 inch dia hole, UL & CSA
ANSI/IEEE C57.13, 50–400 Hz, 600 Vac, 10 kV, relay
class C50, accuracy 0.3% B0.1
(2) 8–32 brass terminals,
comes with mounting
bracket kit
C445MA-005_ XCT300-5
75–600 600:5 Single-Phase CT, 2.00 inch dia hole, UL & CSA
ANSI/IEEE C57.13, 50–400 Hz, 600 Vac, 10 kV, relay
class C50, accuracy 0.3% B0.1
(2) 8–32 brass terminals,
comes with mounting
bracket kit
C445MA-005_ XCT600-5
100–800 800:5 Single-Phase CT, 2.50 inch dia hole, UL & CSA
ANSI/IEEE C57.13, 50–400 Hz, 600 Vac, 10 kV, relay
class C50, accuracy 0.3% B0.1
(2) 8–32 brass terminals,
comes with mounting
bracket kit
C445MA-005_ XCT800-5
Description Catalog Number
EtherNet/IP and Modbus TCP card with 2-port switch C445XC-E
PROFIBUS DPV1 and DPV0 card C445XC-P
Real-Time Clock and Memory Backup Module C445XO-RTC
Description Catalog Number
Connection cable (Base Control Module to Measurement Module or user interface), 13 cm length D77E-QPIP13
Connection cable (Base Control Module to Measurement Module or user interface), 25 cm length D77E-QPIP25
Connection cable (Base Control Module to Measurement Module or user interface), 100 cm length D77E-QPIP100
Connection cable (Base Control Module to Measurement Module or user interface), 200 cm length D77E-QPIP200
Connection cable (Base Control Module to Measurement Module or user interface), 300 cm length D77E-QPIP300
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