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Switchboards for distribution transformer stations

(type RVT, RD, RBTR frame or grate for indoor brick and kiosk transformer stations)

RD, RVT, RBTR switchboards are LV switchboards designed for indoor spaces of transformer stations 10, 22, 35 / 0.4 kV up to 1×630 kVA or 2×630 kVA. Switchboards are designed and manufactured according to standards ČSN EN 61 439-1 ed.2, ČSN EN 61 439-2 ed.2 and ČSN EN 61 439-5 ed2.

Specifications:

  • Rated voltage: 3×400 / 230 V / TN-C, 50Hz
  • Rated current of main busbars: max. 1000 A
  • Switchboard short-circuit resistance: 35 kA / 1 s
  • Protection against dangerous contact voltage: automatic disconnection from the power supply
  • Switchgear protection: IP 20/00
  • Construction: welded steel frame from “U” profile 35x35x3 mm or screwed from perforated profiles
  • Sheathing: sheet steel th. 1.5 mm (possibly .. 2mm)
  • Surface treatment: powder paint (RAL 7032, 7035, possibly according to customer’s wishes)

Basic dimensions [mm]:

a) RD, RVT switchboard:

width: according to the number of outlets, 600 to 1000 mm
height: 2000 mm
depth: 400, 500 mm

b) RBTR frame switchboard:

width: 1000 to 2000 mm
height: 1200 mm
depth: 300 to 450 mm

c) RBTR grate:

width: 1000 to 1200 mm
height: 1350, 1800 mm
depth: 300 mm

RD – distribution switchboard, lower inlet
RD – distribution switchboard, lower right inlet
RD – distribution switchboard, fuse outlets
RD – distribution switchboard, 4 fuse terminals with coupling

RVT – distribution switchboard, lower left inlet and fuse outlets

RVT – distribution switchboard, upper left inlet and fuse outlets
RVT – distribution switchboard, 4 fuse terminals
RVT – distribution switchboard, 4 fuse terminals

RBTR – frame switchboard 630A, 8 fuse terminals

RBTR – frame switchboard 630A, rear view