Abstract: A disk-shaped insulator contains a conductive block and an insulating body, wherein the conductive block is located in a central region of the disk-shaped insulator. The radial dimensions of the insulating body are adapted to those of a flange used for connecting. Multiple holes are distributed over an edge region of the disk-shaped insulator, and the edge region is covered by a conductive coating.

Abstract: A disk-shaped insulator contains a conductive block and an insulating body, wherein the conductive block is located in a central region of the disk-shaped insulator. The radial dimensions of the insulating body are adapted to those of a flange used for connecting. Multiple holes are distributed over an edge region of the disk-shaped insulator, and the edge region is covered by a conductive coating. Since the conventional metal flange ring is dispensed with, precision can be better maintained while the cost of the disk-shaped insulator is lowered.

Abstract: A support insulator assembly has an electrically insulating body, a first support region and a second support region. The two support regions are spaced apart relative to one another by way of the insulator body. The first support region has an armature body, which is at least partially embedded in the insulator body.

Abstract: An arc chamber for a circuit breaker has first and second mounting bodies. The mounting bodies are disposed at the ends of an electrically insulating insulation section of the arc chamber. The insulation section is formed of at least two shell-shaped partial sections. The partial sections are curved concavely relative to a longitudinal axis of the arc chamber. A gap is formed between the edges of the bodies of the partial sections.

Abstract: An arc chamber for a circuit breaker has first and second mounting bodies. The mounting bodies are disposed at the ends of an electrically insulating insulation section of the arc chamber. The insulation section is formed of at least two shell-shaped partial sections. The partial sections are curved concavely relative to a longitudinal axis of the arc chamber. A gap is formed between the edges of the bodies of the partial sections.

Abstract: A single-component calcium halophosphate (ARTIC BRITE) Phosphor and a low pressure discharge lamp utilizing such a phosphor is provided having a lamp envelope having an inner surface, means within the lamp envelope for generating ultraviolet radiation; and a layer of a luminescent material adjacent the inner surface of the lamp envelope for generating visible light when impinged by the ultraviolet radiation. The phosphor material is at least one layer of a single-component calcium halophosphate phosphor having CIE color coordinates of X=346 and Y=359 and a CRI of at least 69, preferably a calcium halophosphate having the formula Ca5−x−ySbxMny(PO4)3ClzF1−x−z, wherein x is from about 0.032 to 0.037; y is from about 0.06 to 0.14; and z is about 0.025 to 0.05, derived from low cost, mined calcium carbonate, derived from a formulation that employs a high metals-to-phosphate (Ca+Mn) ratio of about 9.

Abstract: A single-component Artic Brite phosphor and a low pressure discharge lamp utilizing such a phosphor is provided having a lamp envelope 3 having an inner surface 15, means 5,6,7,9,13 within the lamp envelope for generating ultraviolet radiation; and a layer 17 of a luminescent material adjacent the inner surface of the lamp envelope for generating visible light when impinged by the ultraviolet radiation. The phosphor material is at least one layer of a single-component Artic Brite calcium halophosphate phosphor having CIE color coordinates of X=346 and Y=359 and a CRI of at least 69, preferably a calcium halophosphate having the formula Ca5-x-ySbxMny(PO4)3ClzF1-x-z, wherein x is from about 0.032 to 0.037; y is from about 0.06 to 0.14; and z is about 0.025 to 0.05. The phosphor is derived from low cost, mined calcium carbonate, employing reactants in the following ratios: based on six phosphate atoms) about 0.142 manganese carbonate, about 0.904 calcium fluoride, about 0.

Abstract: A single-component ARTIC BRITE™ phosphor and a low pressure discharge lamp utilizing such a phosphor is provided having a lamp envelope 3 having an inner surface 15, means 5,6,7,9,13 within the lamp envelope for generating ultraviolet radiation; and a layer 17 of a luminescent material adjacent the inner surface of the lamp envelope for generating visible light when impinged by the ultraviolet radiation. The phosphor material is at least one layer of a single-component ARTIC BRITE™ calcium, halophosphate phosphor having CIE color coordinates of X=346 and Y=359 and a CRI of at least 69, preferably a calcium halophosphate having the formula Ca5−x−ySbxMny(PO4)3ClzF1−x−z, wherein x is from about 0.032 to 0.037; y is from about 0.06 to 0.14; and z is about 0.025 to 0.05. The phosphor is derived from low cost, mined calcium carbonate, employing reactants in the following ratios: based on six phosphate atoms) about 0.142 manganese carbonate, about 0.