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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

Example text

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. Pad mounted, dry vault and submersible reclosers shall have an additional grounding connection for each three-phase set of cable entrances.

The above tests shall also be applied to a properly rated transformer, connected as shown in Fig 5(b). Fifteen positive and fifteen negative surges shall be applied. 3 Condition of Control During and After Test. The control shall not close the recloser from an open position during the application of surges. Tripping from a closed position is permissible on a reclosing switchgear device. Malfunction of the control t o cause lockout on one surge is not permissible. Following the tests, the recloser and control apparatus shall be capable of performing all normal functions without impairment.

10 Separate Mounting of Control Apparatus. Where applied, control apparatus shall be capable of being mounted separately from the recloser in normal service. 13 Vacuum Interrupters. 85-1972 Cl]. X-radiation generated shall not exceed the value in Table 1of that standard. 11 Counters. An operations counter shall be provided to indicate the total number of operations of the recloser. The counter shall be visible with the recloser in service.

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Ansi Std c37.60-1981 (Ieee Standard Requirements For Overhead, Pad Mounted, Dry Vault, And Submersible Automatic Circuit Reclosers And Fault Interrupters For Ac


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