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Power Supply; Outputs - GE L90 Instruction Manual

Line differential relay ur series.
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2.4 SPECIFICATIONS
LOW RANGE
Nominal DC voltage:
Min/max DC voltage:
NOTE: Low range is DC only.
2
HIGH RANGE
Nominal DC voltage:
Min/max DC voltage:
Nominal AC voltage:
Min/max AC voltage:
FORM-A RELAY
Make and carry for 0.2 s: 30 A as per ANSI C37.90
Carry continuous:
Break at L/R of 40 ms:
Operate time:
Contact material:
LATCHING RELAY
Make and carry for 0.2 s: 30 A as per ANSI C37.90
Carry continuous:
Break at L/R of 40 ms:
Operate time:
Contact material:
Control:
Control mode:
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 s: 10 A
Carry continuous:
Break at L/R of 40 ms:
Operate time:
Contact material:
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. at 48 V
0.10 A DC max. at 125 V
< 4 ms
Silver alloy
6 A
0.25 A DC max.
< 4 ms
Silver alloy
separate operate and reset inputs
operate-dominant or reset-dominant
approx. 15 to 250 V DC
approx. 1 to 2.5 mA
approx. 80 to 100 mA
6 A
0.25 A DC max. at 48 V
0.10 A DC max. at 125 V
< 8 ms
Silver alloy
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 = 15 VA; Max. = 30 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: 100 Ω, 2 W
SOLID-STATE OUTPUT RELAY
Operate and release time: <100 µs
Maximum voltage:
265 V DC
Maximum continuous current: 5 A at 45°C; 4 A at 65°C
Make and carry for 0.2 s: as per ANSI C37.90
Breaking capacity:
IEC 647-5 / UL508
Operations/
5000 ops /
interval
1 s-On, 9 s-Off
1000 ops /
0.5 s-On, 0.5 s-Off
Break
3.2 A
capability
L/R = 10 ms
(0 to 250 V
1.6 A
DC)
L/R = 20 ms
0.8 A
L/R = 40 ms
IRIG-B OUTPUT
Amplitude:
10 V peak-peak RS485 level
Maximum load:
100 ohms
Time delay:
1 ms for AM input
40 µs for DC-shift input
Isolation:
2 kV

2.4.6 POWER SUPPLY

2.4.7 OUTPUTS

1 W RESISTOR
50 KΩ
2 KΩ
2 KΩ
2 KΩ
Utility
Industrial
application
application
(autoreclose
scheme)
5 ops /
0.2 s-On,
10000 ops /
0.2 s-Off
0.2 s-On,
within 1
30 s-Off
minute
10 A
10 A
L/R = 40 ms
L/R = 40 ms
GE Multilin

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