Connection of busbars to DIN 43 673 - Protection categories IP

Technical System Catalogue Ri4Power

Ri4Power Connection of busbars to DIN 43 673 Note: Busbars should be connected in accordance with Busbar screw connections to DIN 43 673 may be found DIN 43 673. Alternative busbar connections may be made, on the Internet under the technical details for Catalogue 33, provided they are type-tested. All connections within the page 155. Ri4Power system are confirmed by type testing or design verification tests and therefore comply with the standard specifications to IEC 61 439-1. Protection categories IP Table 27: Levels of protection against access to hazardous live parts, code number 1 Table 23: Positioning of the IP code Code Definition IP Code letter 0 Non-protected First code number for protection against Item 1 0 – 6 1 The probe, a 50 mm diameter sphere, must havecontact and foreign bodies: adequate distance from dangerous parts Second code number for level of protection Item 2 0 – 8 The articulated test finger, 12 mm diameter, 80 mm against water 2 length, must have adequate distance from dangerous Item 3 A – D Additional letter parts Item 3/4 H, M, S, W Supplementary letter 3 The probe, 2.5 mm diameter, must not penetrate 4 Table 24: Item 1, protection against contact and foreign 5 The probe, 1.0 mm diameter, must not penetrate bodies: 6 Code Equipment Persons X Not given Not given Table 28: Levels of protection against solid bodies, code number 1 0 Non-protected Non-protected 1 > = 50 mm diameter Back of the hand Code Definition 2 > = 12.5 mm diameter Safe from finger contact 0 Non-protected 3 > = 2.5 mm diameter Tool The object probe, a sphere 50 mm in diameter, 1 4 > = 1 mm diameter Wire must not penetrate fully. 5 Dust-protected Wire, dust 2 The object probe, a sphere 12.5 mm in diameter, must not penetrate fully. 6 Dust-tight No dust The object probe, a sphere 2.5 mm in diameter, 3 must not penetrate fully. Table 25: Item 2, level of protection against water The object probe, a sphere 1.0 mm in diameter, 4 must not penetrate fully. Code Equipment Persons Dust may ingress, but is OK in non-hazardous X Not given 5 quantities (no influence of equipment) 0 Non-protected – 6 No dust may ingress 1 Vertical drops – 2 Drops at a 15° angle – 3 Sprayed water – 4 Splashed water – 5 Water jets – 6 Powerful water jets – 7 Occasional submersion – 8 Continuous submersion – Table 26: Item 3, additional letter Code Equipment Persons Against access to dangerous parts with A – Back of the hand B – Finger C – Tool D – Wire Supplementary information specifically for H High-voltage appliances – M Movement during water test – S Motionless during water test – W Weather conditions – Rittal Technical System Catalogue/Power distribution 74


Technical System Catalogue Ri4Power
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