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BETA Measuring
Three-Phase Measuring Devices
7
KT1 31, 7KT1 34, 7KT1 35 multicounters
11/13
Siemens ET B1 · 10/2008
11
I2_11426c
L1
L2
L3
L1 L1 L2 L2 L3 L3 N N
63
A
63
A
63
A
L1
N
L1 L1 L2 L2 L3 L3 N N
63
A
L1
L2
L3
L1 L1 L2 L2 L3 L3 N N
N
63
A
63
A
2 3 4 5
7 8 9
7
KT1 310
L N
+ +–
1 2 3 4 5 6
+ _
7
KT1 340
L N N L
1 2 3 4 5
7
KT1 350
L N N L
RS 485 - PROFIBUS
63
A
N L
PT
kWh
T1
LAN
couplers
Shielding
Tariff
Tariff
Tariff
230
V AC 230 V AC
230
V AC
230
V AC 230 V AC
230/400
V AC
Direct connection 63 A, 4-wire circuit
400
V AC
Direct connection 63 A, 3-wire circuit
230
V AC
Direct connection 63 A, single-phase
kWh
T2
2
x 5...30 V DC
I2_11427b
7
KT1 351
L N N L
7
KT1 352
7 8 9
7
KT1 311
L N N L
7
KT1 312
7
KT1 341
L N N L
7
KT1 342
L1
L2
L3
6
A
RS 485 - PROFIBUS
k1 L1 l1 k2 L2 l2 k3 L3 l3 N N N
K
l
L
k
6
A
L1
N
k1 L1 l1 k2 L2 l2 k3 L3 l3 N N N
K
l
L
k
K
l
L
k
K
l
L
k
6
A 6 A 6 A
L1
L2
L3
N
k1 L1 l1 k2 L2 l2 k3 L3 l3 N N N
K
l
L
k
K
l
L
k
K
l
L
k
6
A 6 A
1 2 3 4 5
2 3 4 5
+ +–
+ _
1 2 3 4 5 6
PT
230/400
V AC
Current transformer connection, 4-wire circuit
230
V AC
Current transformer connection, single-phase
400
V AC
Current transformer connection, 3-wire circuit
230
V AC 230 V AC
230
V AC 230 V AC
230
V AC 230 V AC
Shielding
LAN
couplers
Tariff
Tariff
Tariff
2
x 5...30 V DC
kWh
T1
kWh
T2
© Siemens AG 2008