Floor-Standing Enclosure Electricity Meter Cupboard Metal Enclosure Frame Door Control Cabinet

S/N

Item

Unit

parameters

1

Rated voltage

KV

12, 24, 33,40.5KV

2

Rated current

A

630

3

Rated frequency

Hz

50

4

Rated short time withstand current

KA

20

5

Rated short circuit duration

S

4

6

Rated withstand current (peak)

KA

50

7

Rated short circuit duration of grounding switch

S

4

8

Rated short withstand current (peak) of grounding switch

KA

50

9

Rated insulation level

1min power frequency withstand voltage (effective value)

KV

(phase-phase, phase-earth)42;

(fracture) 48

Lightning impulse withstand voltage (peak)

KV

phase-phase, phase-earth)75;

(fracture) 85

10

Rated SF6 pressure (20°C gage pressure0

Mpa

0.04

11

SF6 leakage rate per year

1%

12

Protection degree

IP3*