The switchboard is equipped with four-pole bus bars for receiving the feeder blocks.
A metal frame is used for wall-mounting.
Current 800A, 1200A, 1800A. Rated voltage 440 V.
Test voltage 50 Hz 1 minute 10 kV to earth. Voltage with 20 kV shockwave.
The breaking power of the switches is equal to their rated current at 440 V Cos 0.9.
The switchboard (one-piece device) is used for live installation of extra one-piece feeders within the limit of the switchboard’s capacity.
The three-phase feeder 400A is protected by 3 fuses with spacing 115 mm size 2 for connecting one 400A feeder per four-pole cable.
Standards
Equipment compliant with specification HN 63-S-61 designed to equip prefabricated urban switchboards for public distribution. Meets operating requirements and overcomes problems of live work and safety.
