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General Catalogue • Modular Devices • Technical
Analogue Voltmeter, Ammeter & Current Transformers
Technical Specification
Environment
• Working Temperature: -25 to +50 °C
• Storage Temperature: -40 to +80 °C
Connection
• Flexible: 1 to 6mm
2
• Rigid:
1.5 to 10mm
2
Cat ref. Product Range Consump. Accuracy
%
Ref Temp
ºC
Accuracy
Variation ºC
Maximum
Continuous
Momentary
Maximum
Frequency
Hz
Isolating
Voltage
SM500 Voltmeter 500V ≤3 VA 1.5
23 ± 2ºC ± 0.03% / ºC 1.2 Un
2Un / 5 sec 45 - 65
2kV/50H z-1min
SM050
Ammeter
with CT
0-50A
≤1.1 VA 1.5
23 ± 2ºC ± 0.03% / ºC 1.2 Un
10Un / 5 sec 45 - 65
2kV/50H z-1min
SM100
0-100A
SM150
0-150A
SM250
0-250A
SM400
0-400A
Electrical Connection
R
Y
B
N
0
L1L2
L2L3
L3L1
SK 602
L1
L2
L3
SM 500
100
0
200
400
500
V
300
7 9
3 5 1
8 10
2 4
4 6 2
0
SK603
L1
L2
L3
R
Y
B
N
7 9
3 5 1
8 10
4 6 2
SM 050
0
50
A
42
Current Transformers (CT)
Technical Specification
• Secondary current: 0 - 5 A
• Frequency: 50/60 Hz
• Maximum permanent overload: 1,2 In
• Working Temperature: -25 to +50 °C
• Storage Temperature: -40 to +80 °C
Accuracy Class / VA
Cat ref.
Rating
Accuracy
0.5
1
3
SR051
50A
-
1.25
1.5
SR101
100A
2
2.5
3.5
SR150
150A
-
-
1.5
SR200
200A
-
2
3
SR250
250A
-
2
3
SR300
300A
4
8
12
SR400
400A
8
12
15
SR600
600A
12
15
15
Range of CT’s
SR051, SR101, for cable B 21
max busbar 20 x 5mm
SR 150, SR 200, SR 250, for cable B 23 max
busbar 30 x 10 max
SR 300, SR 400, SR600, for cable B 35 max
maximum busbar 40 x 10 max
30
44
65
38
38
59.5
47.5
56
84
42
60
46
107
77
64