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This drawing documents two product assurance class levels consisting of high reliability (device class Q and M) and space application (device class V). A choice of case outlines and lead finishes are available and are reflected in the Part or Identifying Number (PIN). When available, a choice of...
This drawing documents two product assurance class levels consisting of high reliability (device classes Q and M) and space application (device class V). A choice of case outlines and lead finishes are available and are reflected in the Part or Identifying Number (PIN). When available, a choice of...
QUALIFIED PRODUCT LIST OF PRODUCTS QUALIFIED UNDER PERFORMANCE SPECIFICATION MIL-DTL-2212 Contactors and Controllers, Electric Motor AC or DC, and Associated Switching Devices This list has been prepared for use by or for the Government in the acquisition of products covered by the...
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This Practice covers the basic requirements for the lubrication of antifriction and hydrodynamic bearings used in electric motors. These requirements apply to induction, synchronous, and DC motors. Excluded from this Practice: a. On site vibration analysis b. On site mechanical...
Includes: This instruction describes how to test D.C. frame leakage protection installed on Siemens DSG and 8MF94 (2nd Gen) switchboards. Excludes: All other types of frame leakage protection
Includes: This document sets out the instructions to be carried out in connection with the issue and cancellation of Certificate of Isolation to place the Trackside Slave Contactors (TSC) at Blackfriars station (see figure 1) to enable maintenance work / testing to be carried out. Excludes: These...
Includes: This document details the routine maintenance to be carried out on the Trackside Slave Contactors (TSC) at Blackfriars station (see figure 1). Excludes: These instructions do not include the routine maintenance of main D.C. contactor suites at Ludgate Cellars Substation, that operate the...
Includes: This instruction describes how to test D.C. frame leakage protection installed on Balfour Beatty GE-RAPID switchboards using the DCP116 protection relay. It follows the methodology that tests stage 1 and stage 2 separately however a single test may be undertaken if agreement is reached...
Includes: This document sets out the instructions to be carried out in connection with the issue and cancellation of Certificate of Isolation for the DC Voltage Monitoring (VM) panels installed at Ludgate Cellars substation (see figure 1) to enable maintenance work / testing to be carried...
Includes: This document details the routine maintenance to be carried out on the Programmable Logic Controller (PLC) for the main D.C. Contactors at Ludgate Cellars Substation (see figure 1). Excludes: These instructions do not include the routine maintenance of either the main D.C. Contactors at...
Includes: This document sets out the instructions to be carried out in connection with the issue and cancellation of Certificate of Isolation of Rectifiers R3, R4, R5 & R6 at Ludgate Cellars Substation to enable maintenance work / testing to be carried out. Excludes: These instructions do not...
Includes: This instruction describes how to test D.C. frame leakage protection installed on Hawker Sidderley Switchgear (HSS) NDC4 switchboards. These switchboards do not require and are not fitted with second stage frame leakage. Excludes: All other types of frame leakage protection
Includes: There are three main generations of the MM74 switchboards. This instruction describes how to test D.C. frame leakage protection installed on Whipp & Bourne 2nd and 3rd generation. Stage 1 and stage 2 are tested separately however a single test may be undertaken if agreement is reached...
Includes: This instruction covers the routine maintenance of Hawker Sidderley Switchgear (HSS) Hawkgas 25 kV SMOS (structure mounted outdoor switchgear).
Includes: This instruction covers the procedure for the routine maintenance of D.C. Voltage Monitoring (VM) panels installed at Ludgate Cellars substation (see figure 1). Excludes: These instructions do not include the routine maintenance of main D.C. contactor suites at Ludgate Cellars Substation...
Includes: This instruction describes how to test D.C. frame leakage protection installed on Secheron UR36 and UR40 switchboards. It follows the existing work instruction methodology that tests stage 1 and stage 2 separately however a single test may be undertaken if agreement is reached with the...
Includes: This instruction describes how to test D.C. frame leakage protection installed on Siemens 8MF94 1st generation switchboards. These switchboards are fitted with second stage frame leakage. It follows the existing work instruction methodology that tests stage 1 and stage 2 separately...
