FEEDER PROTECTION RELAY.
MAKE-SCHWEITZER ENGINEERING LABORATORIES (SEL)
MODEL:SEL-751A
PART NO.751A#LTA7
SALES ORDER NO.751A51GCG1G74850210
STANDARD FEATURES
PROTECTION
· OVERCURRENT
· OVER/UNDER FREQUENCY
. BREAKER MONITORING
. BREAKER FAILURE
HARDWARE
. 3-PHASE AC CURRENT INPUTS (SLOT
· NEUTRAL AC CURRENT INPUT (SLOT Z)
· 2 DIGITAL INPUTS (DI) (SLOT A)
· 3 DIGITAL OUTPUTS (DO) (SLOT A)
. IRIG-B TIME CODE INPUT (SLOT B)
HUMAN-MACHINE INTERFACE (HMI)
. DISPLAY
· 4 PROGRAMMABLE PUSHBUTTONS
WITH TWO LEDS EACH
· 8 TARGET LEDS (6 PROGRAMMABLE)
OPERATOR CONTROL INTERFACE
. USER CONFIGURABLE LABELS
· EIA-232 PORT (PORT F)
PROTOCOLS
. IEEE C37.118 SYNCHROPHASORS
. MODBUS RTU
. SEL ASCII AND COMPRESSED
ASCII
. SEL FAST METER, FAST OPERATE,
FAST SER
. SEL FAST MESSAGE
. YMODEM FILE TRANSFER
. SEL MIRRORED BITS
COMMUNICATIONS
. EVENT MESSENGER
OTHER
. INSTRUCTION MANUAL CD
. ACSELERATOR QUICKSET SEL-
5030 SOFTWARE
. USER CONFIGURABLE LABELS
SELECTED OPTIONS
FIRMWARE: STANDARD
CONFIGURABLE LABELS : NO
SLOT A POWER SUPPLY VOLTAGE :110-250VDC(110-240DAC):50/60HZ
SLOT A DIGITAL INPUT VOLTAGE:220VDC/AC
SLOT B ETHERNET (PORT 1):SINGLE 10/100BASE-T
SLOT B MULTIMODE FIBER ST (PORT 2):NO
SLOT B REAR SERIAL (PORT 3):EIA 232
IEC 61850 PROTOCOL :NO
D