Equipment duct inner corner insert 90°, made of strip-galvanized steel in accordance with DIN EN 10346, without bottom lugs for holding the dividers, the potential equalization is carried out via the potential equalization cable GSLH... and the joint connector GSTA... or the potential equalization terminal GPK 63, if these are electrically connected to the duct base. Accessories for the potential equalization must be ordered separately.certified! Dimensions (approx. dimensions) H x D : 110 x 100 mm