The IP69K rating is for applications where high pressure and high temperature wash down is used to sanitize equipment. The IP69K test specification was initially developed for road vehicles, especially those that need regular intensive cleaning (dump trucks, cement mixers, etc), but has been widely adopted in the Food & Beverage industries as a test of products to withstand sanitary...
Tuesday, August 13, 2013
Wednesday, August 7, 2013
Franchised Panel Builder Hand-Book (Gulf Countries)
Franchised Panel Builders Hand Book Index Chapter Content PREFACE 2. TYPICAL ORGANIZATION & FACTORY LAYOUT 3. TENDERING 4. ORDER PROCESS, DESIGN & ENGINEERING 5. MATERIAL & PRODUCTION PLANNING 6. PRODUCTION 7. INSPECTION & QUALITY CONTROL...
Saturday, August 3, 2013
NEMA enclosure types
NEMA defines standards for various grades of electrical enclosures typically used in industrial applications. Each is rated to protect against designated environmental conditions. A typical NEMA enclosure might be rated to provide protection against environmental hazards such as water, dust,...
Friday, August 2, 2013
Electrical Panel Board Final Inspection and Testing
Final Inspection and Testing QCI Carry out ROUTINE TESTS as per IEC 60439-1 standards. The following minimum tests must be performed: Visual inspection test – Checking of the complete switchboard in accordance with IEC 60439-1 standards and approved drawings. Checking of Integrity of Wiring, Tightness of all joints, and Torque test on all bus connections, etc. Di-electric...
Thursday, August 1, 2013
Tuesday, July 30, 2013
Friday, July 19, 2013
Seismic effects on enclosures
Seismic effects on enclosures In areas where seismic activity is possible, enclosures have to withstand more influences and material-stress than in zones with no or a minimum seismic risk. During an earthquake, sensitive electric/electronic equipment can be subjected to motions that can over-stress equipment framework, whereas the amount of motions and resulting stress...
Tuesday, July 16, 2013
Saturday, July 13, 2013
Residual-current device RCD
A residual-current device (RCD), or residual-current circuit breaker (RCCB) or residual twin-direct current couplet (R2D2), is an electrical wiring device that disconnects a circuit whenever it detects that the electric current is not balanced between the energized conductor and the return neutral...
Tuesday, July 9, 2013
Sizing of protective earthing conductor
Below is based on IEC 60364-5-54. This table provides two methods of determining the appropriate c.s.a. for both PE or PEN conductors. c.s.a. of phase conductors Sph (mm2) Minimum c.s.a. of PE conductor (mm2) Minimum c.s.a. of ...
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