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OEZ (https://www.oez.com/)

3NP1144-1DA20

Fuse switch-disconnector

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3NP1144-1DA20
Product description:
size 1, 4-pole design, for mounting on a mounting plate, clamp terminals
Order Code: 3NP1144-1DA20
EAN: 4001869567013
Unit of measure pcs
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Electrical parameters

Rated operating current250 A
Rated operating voltage AC690 V
Rated operating voltage DC440 V
Rated impulse withstand voltage8 kV
Rated thermal current250 A
Rated conditional short-circuit current (RMS) AC 690 V100 kA
Rated insulation voltage690 V
Rated frequency50 Hz
Power losses without fuse-link / In32 W
Max. power losses of the fuse-link23 W
Control by number of poles4
Degree of protection from front side, built-in device, cover openedIP20
Degree of protection from front side, built-in device, cover closedIP40

Physical parameters

Number of poles4
SignallingNO
Fuse-link size0, 1

Mechanical parameters

Mechanical endurance1600 cycles

Dimensions

Width (netto)253,7 mm
Height (netto)306 mm
Depth (netto)116 mm
Weight (netto)4,434 kg
Basic package1 ks
Busbar spacing60 mm
Collated package- pcs
Connection cross-section min.70 mm2
Connection cross-section max.190 mm2

Working conditions

Ambient temperature max.55 °C
Max. sea level2000 m

Accessory

Remote signalling of cover positionYES
Remote signalling of fuse stateNE
Light indication of fuse stateNO

Customs data

Customs Tariff85365080
Country of originCZ
ALN
ECCNEAR99

Database data

PCK5863