280
350
Feeder Protection System
Distribution Feeder Protection
TYPE TESTS
Dielectric voltage
withstand:
2.3KV
Impulse voltage
withstand:
EN60255-5 5KV
Damped
Oscillatory:
IEC 61000-4-18
IEC 60255-22-1
2.5KVCM,1KV
DM
Electrostatic
Discharge:
EN61000-4-2/
IEC 60255-22-2
Level 4
RF immunity: EN61000-4-3/
IEC 60255-22-3
Level 3
Fast Transient
Disturbance:
EN61000-4-4/
IEC 60255-22-4
Class A and B
Surge Immunity: EN61000-4-5/
IEC 60255-22-5
Level 3 & 4
Conducted RF
Immunity:
EN61000-4-6/
IEC 60255-22-6
Level 3
Power Frequency
Immunity:
EN61000-4-7/
IEC 60255-22-7
Class A & B
Voltage
interruptionand
Ripple DC:
IEC 60255-11 15% ripple,
200ms
interupts
Radiated &
Conducted:
Emissions
CISPR11 /CISPR22/
IEC 60255-25
Class A
Sinusoidal
Vibration:
IEC 60255-21-1 Class 1
Shock & Bump: IEC 60255-21-2 Class 1
Siesmic: IEC 60255-21-3 Class 2
Power magnetic
Immunity:
IEC 61000-4-8 Level 5
Pulse Magnetic
Immunity:
IEC 61000-4-9 Level 4
Damped Magnetic
Immunity:
IEC 61000-4-10 Level 4
Voltage Dip &
interruption:
IEC 61000-4-11 0, 40, 70, 80%
dips, 250/
300 cycle
interrupts
Damped
Oscillatory:
IEC 61000-4-12 2.5KVCM,1KV
DM
Conducted RF
Immunity 0-150khz:
IEC 61000-4-16 Level 4
Voltage Ripple: IEC 61000-4-17 15% ripple
Ingress Protection: IEC 60529 IP40 front ,
IP10 Back
Environmental
(Cold):
IEC 60068-2-1 -40C 16 hrs
Environmental (Dry
heat):
IEC 60068-2-2 85C 16hrs
Relative Humidity
Cyclic:
IEC 60068-2-30 6day variant 2
EFT: IEEE/ANSI C37.90.1 4KV,2.5Khz
Damped
Oscillatrory:
IEEE/ANSI C37.90.1 2.5KV,1Mhz
RF Immunity: IEEE/ANSIC37.90.2 20V/m
80-1Ghz
ESD: IEEE/ANSIC37.90.3
UL508
8KVCD/15KV
AD
e83849NKCR
Safety: UL C22.2-14
UL1053
e83849NKCR7
e83849NKCR
PHASE & GROUND CURRENT INPUTS
CT Primary: 1 to 6000 A
Range: 0.02 to 20 × CT
Input type: 1 A or 5 A (must be specified with
order)
Nominal
frequency:
50/60 Hz
Burden: <0.1 VA at rated load
Accuracy: ±1% of reading at 1× CT
±3% of reading from 0.2 to 20 × CT
±20% of reading from 0.02 to 0.19
× CT
CT withstand: 1 second at 100 × rated current
2 seconds at 40 × rated current
continuous at 3 × rated current
HIGH RANGE POWER SUPPLY
Nominal: 120 to 240 VAC 125 to 250 VDC
Range: 60 to 300 VAC (50 and 60 Hz)
84 to 250 VDC
Ride-through time: 35 ms
TRIP / CLOSE SEAL-IN
Relay 1 trip seal-in: 0.00 to 9.99 s in steps of 0.01
Relay 2 close
seal-in:
0.00 to 9.99 s in steps of 0.01
ALL RANGES
Voltage withstand: 2 × highest nominal voltage for 10
ms
Power
consumption:
15 W nominal, 20 W maximum
20 VA nominal, 28 VA maximum
LOW RANGE POWER SUPPLY
Nominal: 24 to 48 VDC
Range: 20 to 60 VDC
SERIAL
RS485 port: Opto-coupled
Baud rates: up to 115 kbps
Response time: 1 ms typical
Parity: None, Odd, Even
Maximum
Distance:
1200 m (4000 feet)
Isolation: 2 kV
Protocol: Modbus RTU, DNP 3.0,
IEC 60870-5-103
ETHERNET (COPPER)
Modes: 10/100 MB (auto-detect)
Connector: RJ-45
Protocol: Modbus TCP/IP, DNP 3.0,
IEC 60870-5-104, IEC 61850 GOOSE
USB
Standard
specification:
Compliant with USB 2.0
Data transfer rate: 115 kbps
CERTIFICATION
Low voltage directive EN60255-5 /
EN60255-27 / EN61010-1
CE: EMC Directive EN60255-26/
EN50263, EN61000-6-2, UL508
North America: cULus UL1053, C22.2.No 14
ISO: Manufactured under a registered
quality program ISO9001
ETHERNET (FIBER)
Fiber type: 100 MB Multi-mode
Wavelength: 1300 nm
Connector: MTRJ
Transmit power: -20 dBm
Receiver
sensitivity:
-31 dBm
Power budget: 9 dB
Maximum input
power:
-11.8 dBm
Typical distance: 2 km (1.25 miles)
Duplex: half/full
Protocol: Modbus TCP/IP, DNP 3.0,
IEC 60870-5-104, IEC 61850 GOOSE
CONTACT INPUTS
Inputs: 8
Selectable
thresholds:
17, 33, 84, 166 VDC
Recognition time: 1/2 cycle
Debounce time: 1 to 64 ms, selectable, in steps of 1
ms
Continuous
current draw:
2 mA
Type: opto-isolated inputs
External switch: wet contact
Maximum input
voltage:
300 VDC
SENSITIVE GROUND CURRENT INPUT
CT Primary: 1 to 600 A
Range: 0.002 to 3 × CT
Input type: 1 A or 5 A (must be specified with
order)
Nominal
frequency:
50/60 Hz
Burden: <0.1 VA at rated load
Accuracy: ±1% of reading at 0.1× CT
±3% of reading from 0.02 to 3 × CT
±20% of reading from 0.002 to 0.019
× CT
CT withstand: 1 second at 100 × rated current
2 seconds at 40 × rated current
continuous at 3 × rated current
PHASE/AUX VOLTAGE INPUTS
Source VT: 0.12 to 65 kV / 50 to 220 V
VT secondary: 50 to 240 V
VT ratio: 1 to 5000 in steps of 1
Nominal
frequency:
50/60 Hz
Accuracy: ±1.0% of reading
Voltage withstand: 260 VAC continuous
FORM-A VOLTAGE MONITOR
Applicable voltage: 20 to 250 VDC
Trickle current: 1 to 2.5 mA
FORM-C RELAYS
Configuration: 5 (five) electromechanical
Contact material: silver-alloy
Operate time: <8 ms
Continuous
current:
10 A
Make and carry
for 0.2s:
30 A per ANSI C37.90
Break (DC
inductive, L/R=40
ms):
24 V / 1 A 48 V / 0.5 A 125 V / 0.3
A 250 V / 0.2 A
Break (DC
resistive):
24 V / 10 A 48 V / 6 A 125 V / 0.5
A 250 V / 0.3 A
Break (AC
inductive):
720 VA @ 250 VAC Pilot duty A300
Break (AC
resistive):
277 VAC / 10 A
FORM-A RELAYS
Configuration: 2 (two) electromechanical
Contact material: silver-alloy
Operate time: <8 ms
Continuous
current:
10 A
Make and carry
for 0.2s:
30 A per ANSI C37.90
Break (DC
inductive, L/R=40
ms):
24 V / 1 A 48 V / 0.5 A 125 V / 0.3
A 250 V / 0.2 A
Break (DC
resistive):
24 V / 10 A 48 V / 6 A 125 V / 0.5
A 250 V / 0.3 A
Break (AC
inductive):
720 VA @ 250 VAC Pilot duty A300
Break (AC
resistive):
277 VAC / 10 A
DIMENSIONS
Size: Refer to Dimensions Chapter
Weight: 4.1 kg [9.0 lb]
OPERATING ENVIRONMENT
Ambient operating
temperature:
–40°C to +60°C [-40°F to +140°F]
Ambient storage /
shipping
temperature:
–40°C to +85°C [-40°F to +185°F]
Humidity: Operating up to 95% (non
condensing) @ 55C (As per
IEC 60068-2-30 Variant 2, 6days)
Pollution degree: II
Overvoltage
category:
III
Ingress Protection: IP40 Front , IP10 back