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Littelfuse Startco SE-330 - User Manual
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3714 Kinnear Place Saskatoon, SK Canada S7P
0A6 Ph: (306) 373-5505 Fx: (306) 374-2245 www
.littelfuse.com/relayscontrols
SE-330 MANUAL
NEUTRAL-GROUNDING-RESISTOR MONITOR
REVISION
9-A-112913
0.1
0.5
0.7
1.0
2.0
3.0
5.0
1
0.0
4
10
8
15
20
40
66
0
80
10
0
2
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
2.8
3.0
SE-330
NEUTRAL
-GROUNDING-RESIST
OR
MONITOR
0.2
0.3
0.4
CAL
RESET
GF TRIP TIME
(s)
PULSE PERI
OD
(s)
GF TRIP
LEVEL
(% CT RA
TING)
LITTELFUSE ST
AR
TCO
TRIP
GROUND
F
AUL
T
POWER
RELA
Y K1
DIAGNOSTIC
CALIBRA
TED
TRIP
RESIST
OR
F
AUL
T
60
170
130
200
340
800
1
00
1
20
0
170
0
2000
20
V
TRIP
LEVEL
N
()
S5
20 K
Vx
1
N
10
0
K
Vx
5
N
Ω
Ω
Copyright
2013 Littelfuse Startco
All rights reserved.
Publication: SE-330-M
Document: S95-C330-00000
Printed in Canada.
2
Table of Contents
Main Page
Table of Contents
2
General
3
Modern Resistance-Grounded Systems
3
SE-330 NGR Monitoring
3
Operation
4
Settings
4
GF Trip Time
4
GF Trip Level
4
Ntrip Level
4
Pulse-Period Adjustment
5
Configuration Settings
5
Configuration Switches
5
Typical Values for Tripping Systems
5
Ground-Fault Trip Levels for Selected Ct's
5
Relay K1 Function (S1)
6
Trip-Relay Mode and Trip Memory Mode(S2)
6
Ground-Fault-Trip Latch (S3)
6
Resistor-Fault-Trip Latch (S4)
6
Sensing-Resistor Selection (S5)
6
Frequency (S6)
6
Spare (S7)
6
Upgrade Enable (S8)
6
Calibration
6
Pulsing Operation
6
Trip Indication and Reset
7
Remote Operation
7
Relay K1 LED
7
Unit Healthy Output
7
Diagnostic LED
7
Analog Output
8
Installation
8
Se-330
8
Analog-Output Connections
8
SE-330 Connection Diagram
9
SE-330 Outline and Panel-Mounting Details
10
SE-330 Outline and Surface-Mounting Details
11
SE-IP65CVR-G Weatherproof Cover Outline
12
Sensing Resistor
14
SE-IP65CVR-G Weatherproof Cover Installation . 11 8 ER-600VC Sensing Resistor
14
SE-MRE-600 Moisture-Resistant Enclosure Outline 13 10 SE-MRE-600 with Installed ER-600VC
16
ER-5KV Sensing Resistor
17
ER-5WP Sensing Resistor
18
ER-15KV Sensing Resistor
19
ER-25KV Sensing Resistor
20
ER-35KV Sensing Resistor
21
Ground-Fault CT
22
EFCT-1 Ground-Fault Current Sensor
23
SE-CS30-70 Ground-Fault Current Sensor
24
EFCT-26 and SE-CS30-26 Ground-Fault Current Sensors
25
Isolated Ground Connection
26
RK-332 Remote Indication and Reset
26
Simplified Isolated-Ground Connection
26
Pulsing Connection
27
Communications
27
Local Communications Port
27
Local Data Acquisition
27
Local Communications Commands
27
Firmware Upgrade
27
Network Communications
27
Simplified Pulsing Connection
27
RS-232 DB-9 Terminals
27
Troubleshooting
28
Technical Specifications
29
Se-330
29
Sensing Resistors
30
Current Sensors
31
Ordering Information
31
Warranty
32
Test Procedures
33
Resistor-Fault Tests
33
Calibration and Open Test
33
Voltage Test
33
Sensing-Resistor Test
33
Analog-Output Test
33
Ground-Fault Performance Test
34
Ground-Fault-Test Circuits
35
Ground-Fault-Test Record
35
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Littelfuse Startco SE-330 Specifications
General
Brand
Littelfuse Startco
Model
SE-330
Category
Measuring Instruments
Language
English
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