Product Overview
2.4- İnsulation:
2.5- Joint Structure:
2.6- Protection
3- Tap Off Boxes
- Busbars shall have air-insulation system.
- Rated insulation voltage of the system shall be 1000 V.
-Electrical and mechanical connection shall be made at joints by “single bolt” joint
construction and each joint shall have two “Belleville” washers.
-Insulators of the joint shall be manufactured of glass-reinforced polyester.
-Joints shall be realized by a torque spanner (wrench) set at 55 Nm.
- To prevent the joints from transportation damages, they shall be protected by metal caps,
which shall be removed before installation.
- Joint bolt shall be locked from both sides (Bolt head and nut).
- Protection degree of the busbar system shall be minimum IP55.
- Rating of plug-in tap off boxes shall be up to and including 400A. Plug-in tap off boxes shall
be installed, when the busbar line is energized.
- Tap off boxes shall have an electrical interlock mechanism, which ensures that plug-in tap
off box cannot be removed mechanically from the busbar, when the switch is at “ON”
position. Mechanical interlock mechanism shall prevent the cover of the box fromopening,
when the switch is at “ON” position.
- When the switch is at “OFF” position and the cover is open, tap off box shall provide IP2X
protection level. (There shall not be any accessible live part in the box).
- Tap Off boxes shall be suitable for any brand of MCB.
- Contacts of plug-in tap off box shall be silver-plated copper.
- While inserting the contacts of Plug-in tap off boxes, earth contact shall make first contact.
- Tap off boxes up to 80A shall be manufactured of (850 GLW) type plastic material. Tap off
boxes from 160A up to 400A shall be manufactured of sheet steel and epoxy painted
RAL 3020.
4- Installation and Commissioning
- Busbar systems shall be installed as per single-Line drawings respect to required ampere rates
and manufacturer installation guide (torque values, lockers, etc.).
Electrical installer shall run an insulation test after installation according to manufacturer's test
procedures. The results of the test shall be reported to the manufacturer.Minimum insulation
value shall be 1Mohm.
KO-II
MANUAL
160A...800A Busbar System Product Overview (E-LINE KO- )
ENGLISH
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