Sel SEL-751 User Manual

q SELECT Power Supply With I/O (Slot A)
w SELECT Processor and Communications Card (Slot B)
e SELECT I/O Expansion Card (Slot C: see table)
r SELECT I/O Expansion Card (Slot D: see table)
t SELECT I/O Expansion Card (Slot E: see table).
y SELECT 4ACI/3AVI or 4ACICard (SlotZ)
u Device Case
i Rear-Panel Mounting Screws
o Rear Panel
Refer to the Model Option Table on the SEL website for ordering details
Rear-Panel Slot
Card Type A B C D E Z
SELECT PSIO/2 DI/3 DO
a
● n/a n/a n/a n/a n/a
SELECT CPU/COM
a
n/a ● n/a n/a n/a n/a
SEL
ECT EIA-232/EIA-485
n/a n/a
● n/a n/a n/a
SELECT DeviceNet
n/a n/a ● n/a n/a n/a
SEL
ECT 3 DI/4 DO/1 AO (one card per relay)
n/a n/a
● ● ● n/a
SELECT 4 DI/4 DO
n/a n/a ● ● ● n/a
SEL
ECT 4 DI/3 DO (1 Form B, 2 Form C)
n/a n/a
● ● ● n/a
SELECT 8 DI
n/a n/a ● ● ● n/a
SEL
ECT 14 DI
n/a n/a
● ● ● n/a
SELECT 8 DO
n/a n/a ● ● ● n/a
SEL
ECT 8 AI
n/a n/a
● ●
●
n/a
SELECT 4 AI/4 AO (one card per relay)
n/a n/a
● ●
● n/a
SEL
ECT 10 RTD
n/a n/a n/a
●
n/a n/a
SELECT 2 AVI/4 AFDI (MOT…x70x…)
n/a n/a n/a n/a ● n/a
SEL
ECT 2 AVI/4 AFDI (MOT…xL0x…)
n/a n/a n/a n/a
● n/a
SELECT 8 AFDI (MOT…x77x…)
n/a n/a n/a n/a
●
n/a
6
7
8
9
1
2
3
4
5
SEL-751 Card Options

Sel SEL-751 Specifications

General

Type	Feeder Protection Relay
Frequency Range	50/60 Hz
Voltage Input Range	50 to 300 V AC
Current Rating	5 A
Communication Protocols	DNP3, Modbus
Mounting	Panel mount
Display	LCD
Protection Functions	Overcurrent, Frequency
Operating Temperature	-40 to +85 °C