2.7
Date Code 20170927 Instruction Manual SEL-751 Relay
Installation
I/O Configuration
Current Card (4 ACI)
Table 2.4 Current/Voltage Inputs (4 ACI/3 AVI) Card Terminal Designations
Side-Panel
Connections Label
Te r m i na l
Number
Description
Z01
Z02
IA, A-Phase current input
Z03
Z04
IB, B-Phase current input
Z05
Z06
IC, C-Phase current input
Z07
Z08
IN, Neutral current input
Z09
Z10
Z11
Z12
VA, A-Phase voltage input
VB, B-Phase voltage input
VC, C-Phase voltage input
N, common connection for VA, VB, VC
Z03
Z04
IB
Z05
Z06
IC
Z07
Z08
IN
Z02
IA
Z01
ACI
AVI
Z09
Z11
WYE
VA V A
VB VB
(COM)
VC VC
Z12
NCOM
OPEN
DELTA
Z10
Table 2.5 Current Inputs (4 ACI) Card Terminal Designations
Side-Panel
Connections Label
Te r m i na l
Number
Description
Z01
Z02
IA, A-Phase current input
Z03
Z04
IB, B-Phase current input
Z05
Z06
IC, C-Phase current input
Z07
Z08
IN, Neutral current input
Z03
Z04
IB
Z05
Z06
IC
Z07
Z08
IN
Z02
IA
Z01
ACI