Power Supply; Outputs; Communications - GE UR Series Instruction Manual
Line differential relay
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Also See for UR Series:
- Instruction manual (652 pages) ,
- Manual (433 pages) ,
- Release notes (33 pages)
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2.6 TECHNICAL SPECIFICATIONS
LOW RANGE
Nominal DC Voltage:
Min./Max. DC Voltage:
NOTE: Low range is DC only.
HIGH RANGE
2
Nominal DC Voltage:
Min./Max. DC Voltage:
Nominal AC Voltage:
Min./Max. AC Voltage:
FORM-A RELAY
Make and Carry for 0.2 sec.: 30 A as per ANSI C37.90
Carry Continuous:
Break at L/R of 40 ms:
Operate Time:
Contact Material:
FORM-A VOLTAGE MONITOR
Applicable Voltage:
Trickle Current:
FORM-A CURRENT MONITOR
Threshold Current:
FORM-C AND CRITICAL FAILURE RELAY
Make and Carry for 0.2 sec: 10 A
Carry Continuous:
Break at L/R of 40 ms:
Operate Time:
Contact Material:
RS232
Front Port:
RS485
1 or 2 Rear Ports:
Typical Distance:
2-18
24 to 48 V at 3 A
20 / 60 V
125 to 250 V at 0.7 A
88 / 300 V
100 to 240 V at 50/60 Hz, 0.7 A
88 / 265 V at 48 to 62 Hz
6 A
0.25 A DC max.
< 4 ms
Silver alloy
approx. 15 to 250 V DC
approx. 1 to 2.5 mA
approx. 80 to 100 mA
6 A
0.1 A DC max.
< 8 ms
Silver alloy
®
19.2 kbps, Modbus
RTU
®
Up to 115 kbps, Modbus
RTU, isolated
together at 36 Vpk
1200 m
L90 Line Differential Relay
2 PRODUCT DESCRIPTION
ALL RANGES
2 × Highest Nominal Voltage for 10 ms
Volt Withstand:
Voltage Loss Hold-Up:
50 ms duration at nominal
Power Consumption:
Typical = 35 VA; Max. = 75 VA
INTERNAL FUSE
RATINGS
Low Range Power Supply: 7.5 A / 600 V
High Range Power Supply: 5 A / 600 V
INTERRUPTING CAPACITY
AC:
100 000 A RMS symmetrical
DC:
10 000 A
FAST FORM-C RELAY
Make and Carry:
0.1 A max. (resistive load)
Minimum Load Impedance:
INPUT
IMPEDANCE
VOLTAGE
2 W RESISTOR
250 V DC
20 KΩ
120 V DC
5 KΩ
48 V DC
2 KΩ
24 V DC
2 KΩ
Note: values for 24 V and 48 V are the same due to a
required 95% voltage drop across the load impedance.
Operate Time:
< 0.6 ms
INTERNAL LIMITING RESISTOR:
Power:
2 watts
Resistance:
100 ohms
CONTROL POWER EXTERNAL OUTPUT
(FOR DRY CONTACT INPUT)
Capacity:
100 mA DC at 48 V DC
Isolation:
±300 Vpk
ETHERNET PORT
10BaseF:
820 nm, multi-mode, supports half-
duplex/full-duplex fiber optic with ST
connector
Redundant 10BaseF:
820 nm, multi-mode, half-duplex/full-
duplex fiber optic with ST connector
Power Budget:
10 db
Max Optical Ip Power:
–7.6 dBm
Typical Distance:
1.65 km
2.6.6 POWER SUPPLY
2.6.7 OUTPUTS
1 W RESISTOR
50 KΩ
2 KΩ
2 KΩ
2 KΩ
2.6.8 COMMUNICATIONS
GE Power Management
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