Datasheet

Accessories
Current Transformers
SE-CS30 SERIES
Current Sensor
Description
The SE-CS30 series is a sensitive nickel-core current
transformer used with Littelfuse relays to detect low levels of
earth-leakage current.
Specifications
Turns Ratio
Current Rating
Accuracy
Frequency
Insulation Level
Operating Temperature
Application
Certification
Compliance
600:1
30:0.05 A
3% @ 0.06 VA
50-400 Hz
600 V
-55 to 60ºC (-67 to 140ºF)
FPU-32, FPS, MPU-32, MPS, PGR-6100, PGR-6101, SE-330, SE-701, SE-704
CSA, UL, CE
RoHS, IEC 60044-1
Ordering Information
ORDERING NUMBER
WINDOW SIZE, ID
WEIGHT
SE-CS30-26
26 mm (1.0”)
0.5 kg (1.0 lb)
SE-CS30-70
70 mm (2.8”)
1.2 kg (2.5 lb)
SE-CS30-4(1)
95 mm (3.7”)
1.3 kg (3.0 lb)
SE-CS30-5(1)
140 mm (5.5”)
2.1 kg (4.6 lb)
SE-CS30-8
200 mm (7.9”)
4.3 kg (9.4 lb)
(1)
NOTES: (1) CE only.
© 2015 Littelfuse Protection Relays & Controls
www.littelfuse.com/se-cs30
SECONDARY EXCITING VOLTAGE (VOLTS)
50.0
10.0
5.0
1.0
0.1
0.01
10.0 20.0 30.0
0.05
0.1
1.0
SECONDARY EXCITING CURRENT (MILLIAMPERES)
SE-CS30-70
SE-CS30-26
SE-CS30-4
SE-CS30-5
SE-CS30-8
Rev: 1-A-111215
Accessories
Current Transformers
SE-CS30 SERIES
Dimensions and Mounting Diagram
SE-CS30-26
68.0
(2.68)
34.0
(1.34)
68.0
(2.68)
M4 OR 8-32 TAP
26.5
(1.04)
52.5
(2.07)
42.6
(1.68)
17.0
(0.67)
MOUNTING DETAIL
TOP
(0.43)
110.0 MAX
M5 SCREWS
25.0
(0.98)
26.5
(1.04)
SE-C S3 0 -2 6
C UR R EN T S EN S OR
R
R
LR53428
US
4.0 (0.16) Ø
0
.
26
RECESSED FOR
7-mm HEX NUT
3.0 (0.12) DEEP
2)
34.0
(1.34)
.0
(1
7.0
58.0
(2.28)
(0.87)
72.0
(2.83)
C
5.0
(0.20)
5.0
(0.20)
52.5
(2.07)
FRONT
SIDE
NOTES:
1. DIMENSIONS IN MILLIMETRES (INCHES).
2. PRESS MOUNTING FEET IN PLACE USING
INSTALLATION TOOL PROVIDED (DETAIL ‘A’).
MOUNTING FOOT
INSTALLA TION
TOOL
DETAIL ‘A’
© 2015 Littelfuse Protection Relays & Controls
www.littelfuse.com/se-cs30
3. MOUNTING SCREWS: M4 OR 8-32.
4. RoHS COMPLIANT.
5. EN 60044-1 COMPLIANT.
Rev: 1-A-111215
Accessories
Current Transformers
SE-CS30 SERIES
Dimensions and Mounting Diagram
SE-CS30-70
121.0
(4.76)
121.0
(4.76)
20.5
80.0
(3.15)
56.0
(2.21)
46.0
(1.81)
30.0
(1.18)
(0.81)
NOTE 3
M5 SCREWS
TOP
MOUNTING DETAIL
25.0
(0.98)
(1.18)
30.0
SE-CS30-70
CURRENT SENSOR
R
LR 53428
R
5.5
110.0
5.5
(0.22)
(4.33)
(0.22)
22.0
(0.87)
Ø 5.0 (0.20)
RECESSED FOR
8-mm HEX NUT
1.0 (0.04) DEEP
56.0
(2.21)
SIDE
FRONT
MOUNTING FOOT
INSTALLATION
TOOL
(4.96)
69.
8
(2.7
5)
126.0
US
(5.43)
138.0 MAX
C
NOTES:
1. DIMENSIONS IN MILLIMETRES (INCHES).
2. PRESS MOUNTING FEET IN PLACE USING
INSTALLATION TOOL PROVIDED (DETAIL ‘A’).
3. MOUNTING SCREWS: M4 OR 8-32.
DETAIL ‘A’
© 2015 Littelfuse Protection Relays & Controls
www.littelfuse.com/se-cs30
4. RoHS COMPLIANT.
5. EN 60044-1 COMPLIANT.
Rev: 1-A-111215
Accessories
Current Transformers
SE-CS30 SERIES
Dimensions and Mounting Diagram
SE-CS30-4, SE-CS30-5, and SE-CS30-8
C
D
F
H
G
J
50.0
(1.97)
MOUNTING DETAIL
TOP (COVER REMOVED)
NOTES:
14.0
(0.55)
72.0
(2.83)
1. DIMENSIONS IN MILLIMETRES (INCHES).
2. MOUNTING SCREWS: M5 OR 10-32.
3. RoHS COMPLIANT.
SE-CS30-8
OUTLINE
4. CE COMPLIANT.
DIMENSIONS
B
A
E
FLUX
CONDITIONER
SE-CS30-4
SE-CS30-5
SE-CS30-8
A
95.0 (3.74)
130.0 (5.12)
200.0 (7.87)
B
175.0 (6.89) 218.0 (8.78) 309.0 (12.17)
C
158.0 (6.22) 203.0 (7.99) 290.5 (11.44)
E
82.0 (3.22)
F
32.0 (1.26)
32.0 (1.26)
34.0 (1.34)
G
17.5 (0.69)
11.0 (0.43)
11.0 (0.43)
H
15.0 (0.59)
13.3 (0.52)
13.3 (0.52)
I
33.0 (1.30)
34.0 (1.34)
43.0 (1.69)
J
9.0 (0.35)
11.0 (0.43)
11.5 (0.45)
K
40.0 (1.57)
40.0 (1.57)
50.0 (1.97)
L
5.3 (0.21)
7.0 (0.28)
7.0 (0.28)
103.5 (4.07) 150.0 (5.90)
I
L
D
C
BOTTOM
© 2015 Littelfuse Protection Relays & Controls
www.littelfuse.com/se-cs30
J
K
G
FRONT
1.7
(0.07)
D 141.0 (5.55) 178.0 (7.01) 267.5 (10.50)
Rev: 1-A-111215