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KATKO
Katko 63-125A switch disconnectors are DIN-rail or screw mounted (KU).
3-pole and 4-pole KU-switches as standard. Other configurations on request.
6-pole and 8-pole versions consist of two 3-pole or 4-pole KU-switches connected by a parallel kit
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Switch technology by means of silver contacts ensures safe and durable operation
Compatible with handles LK10 and LK11 (load break switches) and LK12 (change-over switches)
Shafts L=100/200/300 AD11 and L=100/200/300 AD11/VT (load break switches) and L=100/200/300 AD12/VT (change-over switches).
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Tested according to IEC 60947-3
Available with CCC certificate, mention when ordering
Note! Al-cables cannot be connected directly to switch terminals. For Al-cable connection please use a bi-metal cable connector.
General Data |
|
|---|---|
| Number of poles | 3 |
| Rated insulation voltage Ui | 800 V |
| Rated thermal current, Ith | 80 A |
| Type | Screw-mounted |
| Terminals / Bolt size Cu | 2.5-35 |
| Nominal values with cable size | 25 |
| Weight | 0,2 kg |
Rated operational current, Ie |
|
| Operational current - AC-21A - 400/415V | 80 A |
| Operational current - AC-21A - 500V | 80 A |
| Operational current - AC-21A - 690V | 80 A |
| Operational current - AC-22A - 400/415V | 63 A |
| Operational current - AC-22A - 500V | 63 A |
| Operational current - AC-22A - 690V | 63 A |
| Operational current - AC-23A - 400/415V | 40 A |
| Operational current - AC-23A - 500V | 40 A |
| Operational current - AC-23A - 690V | 40 A |
Rated operational power for 3-phase (1500 r.p.m.) squirrel cage induction motors (kW) |
|
| Operational power - AC-23A - 400/415V | 22 kW |
*Invisible Heading* |
|
|---|---|
| Operational power - AC-23A - 500V | 30 kW |
| Operational power - AC-23A - 690V | 37 kW |
Rated fused short circuit current |
|
| Back-up fuse | 80 A |
| R.M.S value, IK | 50 |
| Peak value | 8,7 kA |
| Rated impulse withstand voltage Uimp | 12 kV |
| Rated short circuit making capacity at 690V, lcm | 3.1 |
| Rated short time withstand current at 690V (1 s), lcw | 2 |
Rated breaking capacity, Icn |
|
| Breaking capacity - AC-23A - 400/415V | 320 A |
| Breaking capacity - AC-23A - 500V | 320 A |
| Breaking capacity - AC-23A - 690V | 320 A |
Additional Details |
|
| Electrical endurance | 3000 operations |
| Mechanical endurance | 50000 operations |
| Max terminal torque | 2.5 |
| Tariff code | 85365080 |
| Country of origin | FI |
Katko 63-125A switch disconnectors are DIN-rail or screw mounted (KU).
3-pole and 4-pole KU-switches as standard. Other configurations on request.
6-pole and 8-pole versions consist of two 3-pole or 4-pole KU-switches connected by a parallel kit
Â
Switch technology by means of silver contacts ensures safe and durable operation
Compatible with handles LK10 and LK11 (load break switches) and LK12 (change-over switches)
Shafts L=100/200/300 AD11 and L=100/200/300 AD11/VT (load break switches) and L=100/200/300 AD12/VT (change-over switches).
Â
Tested according to IEC 60947-3
Available with CCC certificate, mention when ordering
Note! Al-cables cannot be connected directly to switch terminals. For Al-cable connection please use a bi-metal cable connector.
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This blog talks all things DC circuit protection including the key components: electronic circuit breakers, fuses and current monitoring devices. As well as how to choose the right protection.
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| Parts | Number of poles | Rated thermal current, Ith | Nominal values with cable size | Weight | Operational current - AC-21A - 400/415V | Operational current - AC-21A - 500V | Operational current - AC-21A - 690V | Operational current - AC-22A - 400/415V | Operational current - AC-22A - 500V | Operational current - AC-22A - 690V | Operational current - AC-23A - 400/415V | Operational power - AC-23A - 400/415V | Back-up fuse | R.M.S value, IK | Peak value | Rated impulse withstand voltage Uimp | Breaking capacity - AC-23A - 400/415V | Electrical endurance | Mechanical endurance | Price | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
KU 363N, Screw Mounted, 3-pole, 63A (N)
Art:
21460
Copied
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3
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80 A
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25
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0,2 kg
|
80 A
|
80 A
|
80 A
|
63 A
|
63 A
|
63 A
|
40 A
|
22 kW
|
80 A
|
50
|
8,7 kA
|
12 kV
|
320 A
|
3000 operations
|
50000 operations
|
| ||
|
KU 380N, Screw Mounted, 3-pole, 80A (N)
Art:
21470
Copied
|
3
|
100 A
|
35
|
0,2 kg
|
100 A
|
100 A
|
100 A
|
80 A
|
80 A
|
80 A
|
63 A
|
30 kW
|
80 A
|
50
|
8,7 kA
|
8 kV
|
504 A
|
3000 operations
|
50000 operations
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| ||
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KU 3125N, Screw Mounted, 3-pole, 125A (N)
Art:
21482
Copied
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3
|
125 A
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70
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0,2 kg
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125 A
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125 A
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125 A
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125 A
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80 A
|
80 A
|
63 A
|
30 kW
|
125 A
|
30
|
10 kA
|
8 kV
|
504 A
|
3000 operations
|
50000 operations
|
| ||
KU 463N, Screw Mounted, 4-pole, 63A (N)
Art:
21590
Copied
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4
|
80 A
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25
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0,25 kg
|
80 A
|
80 A
|
80 A
|
63 A
|
63 A
|
63 A
|
40 A
|
22 kW
|
80 A
|
50
|
8,7 kA
|
8 kV
|
320 A
|
3000 operations
|
50000 operations
|
| ||
|
KU 480N, Screw Mounted, 4-pole, 80A (N)
Art:
21600
Copied
|
4
|
100 A
|
35
|
0,25 kg
|
100 A
|
100 A
|
100 A
|
80 A
|
80 A
|
80 A
|
63 A
|
30 kW
|
80 A
|
50
|
8,7 kA
|
8 kV
|
504 A
|
3000 operations
|
50000 operations
|
| ||
|
KU 4125N, Screw Mounted, 4-pole, 125A (N)
Art:
21612
Copied
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4
|
125 A
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70
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0,25 kg
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125 A
|
125 A
|
125 A
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125 A
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80 A
|
80 A
|
63 A
|
30 kW
|
125 A
|
30
|
10 kA
|
8 kV
|
504 A
|
2000 operations
|
16000 operations
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Select a variant in the list
