ABB Relion 611 Series Installation Manual page 16

Section 2
Environmental aspects
8
Table 2: Materials of the protection relay parts
Protection relay
Case
Plug-in unit
Package
Attached material
1) Polycarbonate
2) Liquid crystal polymer
3) Polybutylene terephthalate
4) Polyamide
Parts
Metallic plates, parts and screws
Plastic parts
Electronics plug in module
Electronics plug in modules
Electronics LHMI module
Plastic parts
Metallic parts
Box
Manuals
1MRS757452 D
Material
Steel
1) 2)
PC , LCP
Various
Various
Various
3) 4)
PC, PBT , LCP, PA
Aluminium
Cardboard
Paper
611 series
Installation Manual