NBN EN 61241-1 : 2005
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
ELECTRICAL APPARATUS FOR USE IN THE PRESENCE OF COMBUSTIBLE DUST - PART 1: PROTECTION BY ENCLOSURES "TD"
04-09-2010
01-12-2013
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Construction
5 Practice A and practice B
6 Supplementary requirements for electrical apparatus protected
by enclosures for practice A for use in zones 20, 21 and 22
7 Supplementary requirements for electrical apparatus protected
by enclosures for practice B for use in zone 20 or 21
7.1 Joints
7.1.1 Plain joints
7.1.2 Spigotted joints
7.1.3 Gasketed joints
7.2 Operating rods, spindles or shafts
7.2.1 General
7.2.2 Running contact seals
7.2.3 Power shafts
7.2.4 Operating rods
7.3 Clearance of bolts
8 Verification and tests
8.1 General
8.2 Type tests
8.2.1 Tests for dust exclusion by enclosures
8.2.2 Thermal tests
9 Marking
Annex ZA (normative) Normative references to international
publications with their corresponding
European publications
Bibliography
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