Data in compliance with EN 61010-1, EN 61326
7KT1 300
7KT1 301
Supply
• Rated control supply voltage
Un
V
230
230
• Operating range
x
Un
0.8 ... 1.2
0.8 ... 1.2
• Rated frequency
Hz
50
50
• Frequency range
Hz
45 ... 65
45 ... 65
• Rated power dissipatrion
VA
<
10
<
10
Overload capability
• Voltage
continuous: phase/phase
V
480
480
1 second: phase/phase
V
800
800
continuous: phase/N
V
276
276
1 second: phase/N
V
460
460
• Current
continuous
A
76
6
0,5 s
A
–
110
10 ms
A
2000
–
Measuring input
• Type of connection
direct
transformer .../1 A or .../5A
• Voltage
Un
phase/phase
V
400
400
phase/N
V
230
230
• Operating range voltage
phase/phase
V
87 ... 480
87 ... 480
phase/N
V
50 ... 276
50 ... 276
• Current
Ib / In
A
63
1 or 5
• Operating range current
A
0.3 ... 76
0.012 ... 6
• Transformer current
primary current of the transformer
A
–
5 ... 5000
smallest input step
A
–
5
• Frequency
Hz
50
50
• Operating range frequency
Hz
45 ... 65
45 ... 65
Display
• Connection errors
inverted phases
Err
Err
• Voltage: 3 displays, 3-digit
delta L1-L2, L2-L3, L3-L1
V
87 ... 480
87 ... 480
star L1/N - L2/N - L3/N
V
50 ... 276
50 ... 276
voltage >480/276 V
H H H
H H H
voltage <87/50 V
– – –
– – –
• Current: 3 displays, 3-digit
L1 - L2 - L3
A or kA
0.3 ... 76
(0.012 ... 1.2 or 6) x transformer
conversion ratio
for current >76; 1,2 or
H H H
H H H
6 A x transformer conversion ratio
for current <0,3; 0,012 A
0 0 0
0 0 0
x transformer conversion ratio
• Frequency: 1 display, 3-digit
S
L
Hz
45.0 ... 65.0
45.0 ... 65.0
• Active power: 3 displays, 3-digit or 1 display
L1 - L2 - L3;
S
L
W, kW or
0 ... 999
0 ... 999
3 of 7 digits
display with floating decimal point
MW
• Reactive power: 1 display, 3-digit
S
L, with capacitative or inductive
var, kvar
0 ... 999
0 ... 999
indication: transf. conversion ratio
or Mvar
• Apparent power: 3 displays, 3-digit or
L1 - L2 - L3;
S
L
VA, kVA
0 ... 999
0 ... 999
1 display, 3-digit
display with floating decimal point
or MVA
• Cos
w
: 3 displays, 3-digit or
L1 - L2 - L3;
S
L
0.01 ... 1.00
0.01 ... 1.00
1 display, 3-digit
display with floating decimal point
• Transformer primary current
only if set
A
–
5 ... 5000
• Transformer secondary current
only if set
A
–
1 or 5
• Display period refresh
/s
2
2
• Storage of setting
EEPROM
EEPROM
Measuring accuracy
(of nominal values In - Ib - Un)
• Voltage
%
±2 ±1 digit
±2 ±1 digit
• Current
%
±2 ±1 digit
±2 ±1 digit
• Power output
%
±2 ... ±4 ± 1 digit
±2 ... ±4 ± 1 digit
• Cos
w
%
±2 ... ±10 ± 1 digit
±2 ... ±10 ± 1 digit
• Frequency
%
±1 ±1 digit
±1 ±1 digit
Safety acc. to EN 61010-1
• Degree of pollution
2
2
• Overvoltage category
II
II
• Operational voltage
V
600
600
• Test pulse voltage
1,2/50 µs
kV
4
4
Terminals
• Main current paths
± screw with mark
(Pozidrive) mm
PZ2
PZ1
• Power supply and auxiliary
blade for slotted screw
(Pozidrive) mm
0.8 x 3.5
0.8 x 3.5
• Conductor cross sections-main current paths
rigid, max.
mm
2
1 x 25 or 2 x 16
1 x 6 or 2 x 4
rigid, min.
mm
2
1 x 1.5
1 X 0.95
• Power supply and auxiliary cable section
rigid, max. / (min.)
mm
2
2.5 / (0.14)
2.5 / (0.14)
flexible with sleeve, max. / (min.)
mm
2
1.5 / (0.25)
1.5 / (0.25)
Environmental conditions
• Temperature
°C
0 ... +55
0 ... +55
• Relative humidity
%
<
80
<
80
• Vibrations
sinus-amplitude at 50 Hz
mm
±0.25
±0.25
• Protection class
acc. to EN 61010-1
II
II
• Degree of protection
(terminal area)
IP40 (IP20)
IP40 (IP20)
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ENGLISH
Technical data
SIEMENS-Multimeter-DIN