BackNKU type SPASSK-89 are used as:
- shields motor control (MCC panel);
- main and auxiliary switchboards (panels, introductory and sectional);
- panels universal mounting.
Low-voltage device (LVD) SPASSK-89 for currents up to 5000A is a panel of unilateral and bilateral service in metal cases with a fixed or withdrawable circuit breakers with air-insulated. NKU SPASSK-89 used as shields switchgear with voltage of 0.4 kV (RU-0.4 kV) substations, main switchboards (MSB) of industrial buildings, control panels motor loads.
NKU SPASSK-89 is suitable for power distribution of three-phase AC voltage up to 690V and 50 Hz in networks with isolated or grounded neutral protection against overload and short circuit protection, automatic input of a reserve (AVR), and also for control, measuring and signaling.
Low-voltage complete devices SPASSK-89 - economical, practical, standard solution for industry with continuous technological processes, administrative and civil purposes.
Modular technology of the device allows to optimally adapt the installation SPASSK-89 under the requirements of the customer.
The use of high quality switchgear ensures reliable operation and increases the service life of equipment and ensures the safety of staff. New technology roll-out elements based on the principle of "clamping, not cutting contact of the blades in the tyre" eliminates contact wear.
NKU type SPASSK-89 are used as:
Каталог SPASSK-89
(pdf, 1201 кб.)
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Regulatory framework |
GCC passed all the standard tests (tested LVCD) |
GOST R 51321.1-2000 IEC 60439-1 DIN EN 60439-1 (VDE 0660 part 500) |
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Test the localization ability of the arc short circuit |
МЭК61641. VDE 0660, part 500, Appendix 2 (Ue up to 440 V, lcw up to 50 kA, t = 100 MS) |
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Protection against electric shock |
DIN EN 50274, VDE 0660 part 514 |
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current |
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Rated insulation voltage |
Main circuit |
1000 |
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The valueinoe working voltage |
Main circuit |
up to 690 V |
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Air gaps and leakage paths |
Rated impulse withstand voltage Uimp |
8 kV / 12 kV |
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Overvoltage category |
III / IV |
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Pollution degree |
3 |
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Internal division
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Types 1 to 4 |
IEC 60439-1, part 7.7, VDE 0660 part 500, 7.7 |
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Surface treatment |
(Coverska in accordance with DIN 43656) |
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Details of frame |
Hot-dip galvanizing |
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Door |
Powder coating |
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The side walls |
Powder coating |
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Rear wall, cover |
Hot-dip galvanizing |
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Vent cover |
Powder coating |
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Standard color powder coating (a paint layer thickness 100 ± 25 µm)</ |
RAL 7035, light grey> |
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Degree of protection of IP |
According to IEC 60529, EN 60529 |
IP30-IP54 |
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Dimensions |
Preferred dimensions according to DIN 41488 |
Height (without base) |
2000, 2200, 2300 mm |
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Width |
400, 600, 650, 800, 1000, 1200 mm |
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Depth (single-row installation) |
600, 800, 1000 mm |
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Depth (two-row installation) |
1200 mm |
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The busbars (3 - and 4-pole) |
The main busbars horizontal |
Rated current |
to 5000 And |
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ertical-align: inherit;">withstand |
up to 220 kA |
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Thermal resistance |
up to 100 kA |
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The busbars vertical sections with circuit breakers Busbars vertical for universal and fixed partitions mounting |
Rated current |
to 5000 And |
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Withstand |
up to 220 kA |
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Thermal resistance |
up to 100 kA |
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Rated current |
up to 1600 A |
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Electrodynamic ertical-align: inherit;">resistance |
up to 143 kA |
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Thermal resistance |
up to 63 kA |
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Vertical busbars for sections with LWRSS (fixed) |
Rated current |
up to 1600 A |
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Rated conditional short-circuit current |
50 kA |
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Vertical busbars for sections with LWRSS (ground) |
Rated current |
up to 2100 And |
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| Electrodynamic
resistance |
up to 110 kA |
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Thermal resistance |
50 kA |
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The nominal current of the devices |
align: inherit;">Machines |
to 5000 And |
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Cable assemblies |
up to 630 A |
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Сертификат сейсмостойкость SPASSK-89
(pdf, 456 кб.)
Сертификат ТР ТС на НКУ SPASSK-89
(jpg, 3058 кб.)
Сертификат ПБ на Спасск
(pdf, 2533 кб.)
Опросный лист
(pdf, 674 кб.)
