Read or Download Ansi Std c37.60-1981 (Ieee Standard Requirements For Overhead, Pad Mounted, Dry Vault, And Submersible Automatic Circuit Reclosers And Fault Interrupters For Ac PDF
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Extra resources for Ansi Std c37.60-1981 (Ieee Standard Requirements For Overhead, Pad Mounted, Dry Vault, And Submersible Automatic Circuit Reclosers And Fault Interrupters For Ac
Pad mounted, dry vault and submersible reclosers shall have an additional grounding connection for each three-phase set of cable entrances. 7 Nameplate Markings. The following minimum information shall be given on the nameplate : (1)Manufacturer’s name or trademark (2) Manufacturer’s type or identification number to indicate the design or construction. Changes in operating characteristics, design, or construction, which affect its application or service, shall be accomplished by a change in the identification data (3) Rated maximum voltage (4)Rated continuous current (5) Rated minimum tripping current (series trip-coil reclosers only) (6) Rated symmetrical interrupting current (7) Rated impulse withstand voltage For submersible reclosers, a nameplate of stainless steel or other corrosion resistant material shall be provided.
When liquid or gas is used as the insulating medium, provision shall be made for personnel to determine readily the insulating liquid level or insulating gas pressure with the recloser energized. Indicator markings shall show the safe operating range of levels or pressures. Procedures or devices which require exposing the insulating medium t o the outside environment shall not be used. 4 Oil Sampling Provisions (Submersible Reclosers). When oil is used as the insulating medium, provision shall be made to obtain a bottom oil sample.
For pad mounted, dry vault or submersible reclosers viewing of the position indicator may require opening of the enclosure. If colors are used to indicate an open or closed position, red shall signify closed and green signify open, with the words OPEN or CLOSED in contrasting colors. 2 Grounding Provisions. A recloser with a metal housing shall have provisions for the connection of a ground lead. The ground connector shall accommodate a ground conductor of a size adequate to conduct the rated interrupting current of the recloser for a period of 3 s without damage t o the conductor or connector.