• Bistrița, Drumul Cetății street, no. 19, Bistrița-Năsăud county

CI 400 kV, 210 kN

Composite insulators for LEA and transformer stations

Product description

UMZone IIZone III
Distance between the end reinforcements - amm30943298
Numar de rile mari / rile mici33/6433/64
The diameter of the insulating parts
    Miez (tija centrala) – d3mm3434
    Rile mari / rile mici – d1/d2 mm144/106144/106
Creepage distancecm10241076
Distanta de eclatare – K mm29002950-2990
Arc distance mm32043458

Obs: Inelele de protectie se monteaza pe elementele de capat ale izolatoarelor sau pe elementele de lanturi, in functie de aplicatie.

420 kVThe maximum voltage of the network
50 HzNominal frequency
680 kVHolding voltage 50 Hz 1 min. in dry environment and under rain
1050 kVmaxHolding voltage at switching pulse under rain 250 – 2500 μs
31,5 kAShort circuit current
210 kNSpecified mechanical load – SML
105 (110) kNIndividual mechanical load - IML
>1550 kVmaxHolding voltage at lightning impulse 1,2/50 un dry state
<1930 kVmaxVoltage 50% bypasses to lightning impulse in dry state 1.2/50 μs
Symbolistic of end fittingsAnchorage distanceUMInformative weight
fara inele de protectie
l(±15) mmIIIII
BS    Symbolistic of end fittingsa + 323kg13.714.2
TT    Right piece – Right piecea + 340kg13.814.3
SS    Socket – Socketa + 330kg1414.5

Notes:
Izolatoarele compozite se monteaza cu inele de protectie. La cerere, asamblarile de capat ale izolatoarelor compozite se executa in combinatiile dorite, cu modificarile corespunzatoare ale distantelor de ancorare.

+ Dimensional characteristics
UMZone IIZone III
Distance between the end reinforcements - amm30943298
Numar de rile mari / rile mici33/6433/64
The diameter of the insulating parts
    Miez (tija centrala) – d3mm3434
    Rile mari / rile mici – d1/d2 mm144/106144/106
Creepage distancecm10241076
Distanta de eclatare – K mm29002950-2990
Arc distance mm32043458

Obs: Inelele de protectie se monteaza pe elementele de capat ale izolatoarelor sau pe elementele de lanturi, in functie de aplicatie.

+ Electrical and mechanical characteristics
420 kVThe maximum voltage of the network
50 HzNominal frequency
680 kVHolding voltage 50 Hz 1 min. in dry environment and under rain
1050 kVmaxHolding voltage at switching pulse under rain 250 – 2500 μs
31,5 kAShort circuit current
210 kNSpecified mechanical load – SML
105 (110) kNIndividual mechanical load - IML
>1550 kVmaxHolding voltage at lightning impulse 1,2/50 un dry state
<1930 kVmaxVoltage 50% bypasses to lightning impulse in dry state 1.2/50 μs
+ Symbology
Symbolistic of end fittingsAnchorage distanceUMInformative weight
fara inele de protectie
l(±15) mmIIIII
BS    Symbolistic of end fittingsa + 323kg13.714.2
TT    Right piece – Right piecea + 340kg13.814.3
SS    Socket – Socketa + 330kg1414.5

Notes:
Izolatoarele compozite se monteaza cu inele de protectie. La cerere, asamblarile de capat ale izolatoarelor compozite se executa in combinatiile dorite, cu modificarile corespunzatoare ale distantelor de ancorare.

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