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Installation
CAUTION! RISK OF SHORT CIRCUIT AND FIRE!
- The working temperature of power cable should be at least 105°C.
- To avoid damage of cables, please install the movable bushing to the DC & AC side
!
bottom plate before wiring. (Please refer to Appendix B for installing procedure)
- To prevent moisture, dust or living creature from entering the case, please seal the
DC & AC side bottom plate with high temperature resistance and water-proof
material (Ex: fire retardant cable sealant or silicon)
Please follow these steps when using other cable combinations.
1. Check the terminal lug of the cable whether to match the connection with the
terminal of busbar, including the hole size of screw and the width of screw hole
on busbar. The relative information of the dimension is shown as Figure 4-12.
2. If the cable size and number is not suitable for the above mentioned due to
insufficient space. You can replace cable gland by snap bushing and silicon
rubber. The recommended material of movable bushing and silicon rubber is
shown as below:
Component
Movable bushing
Silicon rubber
For cables and terminals:
Delta recommends the cables used should be flexible unarmored multi-strand
and with suitable ampacity.
Delta would highly recommend that the material surface of copper wire /
aluminum wire lug should be tin or nickel electroplated.
Extreme temperature rise at the clamping point
If the contact resistance between the aluminum conductor and clamping point is too
high, the clamping point can become very hot and even catch fire in extreme cases.
To ensure a safe and reliable contact, always perform the following work steps:
Please select the Al wire size according to rules due to lower conductivity of Al.
Keep the installation location as free as possible from moisture or corrosive
atmospheres.
Connect the aluminum cables quickly.
Tighten the clamping screw in the clamping body with the maximum permissible
tightening torque.
NOTE
Part number
Vendor
1010-12
EMKA
RTV162
GE Bayer Silicones
NOTICE
42
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