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BETA Measuring
Three-Phase Measuring Devices
7
KT1 1 E-counters instabus KNX
11/24
Siemens ET B1 · 10/2008
11
■
Technical specifications
1)
See table
on page 11/23.
7
KT1 162
7
KT1 165
Standards
Supply
Rated control voltage U
e
V AC 230
Operating range U
e
0.80 ... 1.20
Rated frequency
Hz
50
Operating frequency range
Hz
45 ... 65
Power consumption
Per phase
VA
0.8
Measuring inputs
Connection type
Direct
Transformer
Voltage
V
400
Operating range voltage
V
320 ... 480
Current
A
63
5
Operating range current
Direct connection
A
0.005 ... 63
--
Transformer connection
A
--
0.005 ... 6
Minimum operational current
mA
5
Current factor
Of transformer,
input in full digits
FAI
--
0 ... 255
Frequency
Hz
50
Operating frequency range
Distortion factor
3 %;
symmetric sinus curve
Hz
45 ... 65
Overload capability
Voltage
Duration: phase/N
V
276
1
second: phase/N
V
460
Duration: phase/phase
V
480
1
second: phase/phase
V
800
Current
Duration
A
76
6
1
second
A
126
10
Display
Rate
Double
LCD H × W
mm × mm 8 × 4
Readout data
See table on page 11/23.
7-
digit with decimal points
Active/reactive
Active energy
Drum-type register H × W:
mm × mm
7-
digit with 1 decimal
Display period
/
s
0.5
Storage of measured values
kWH EEPROM
Measuring accuracy
At 23 °C
±
1
°C
Active energy
Acc. to IEC 61036
Class
2
Safety
Supply measuring circuit isolation
Electrical
Rated insulation voltage
V
600
Rated impulse withstand voltage
Inputs against ground
for 1 min. at 50 Hz
kV
4
Overvoltage category
VDE 0110 T1
III
Pulse output
,
S0 interface
Acc. to
IEC 61393/DIN 43864
IR test output LED
Imp/Wh 10
Terminals, output
Imp/kWh 10
1
Minimum pulse duration ms
125
External voltage
V DC 5 ... 30
Current
mA
10 ... 20
Resistance
k
0.5 ... 1.5
instabus KNX interface
Standard
EIS 9
Readout data
1)
Terminals
Main current paths
±
screw (Pozidriv)
2
Supply/control terminals
Blade for slotted screw mm 0.4 × 2.5
Conductor cross-sections
Main current paths
Rigid (max.)
mm
2
1
× 10
Rigid (min.)
mm
2
1
× 1.5
Conductor cross-sections
Supply/control terminals
Rigid (max.)
mm
2
1
× 2.5
Flexible, with end sleeve mm
2
1
× 0.75
© Siemens AG 2008