ISA 61241-18 : 2006
Withdrawn
ELECTRICAL APPARATUS FOR USE IN ZONE 20, ZONE 21 AND ZONE 22 HAZARDOUS (CLASSIFIED) LOCATIONS - PROTECTION BY ENCAPSULATION "MD"
English
01-03-2007
01-01-2016
1 Scope
2 References
3 Terms and definitions
4 General
4.1 Temperature classification
4.2 Level of protection
4.3 Level of protection "maD"
4.4 Level of protection "mbD"
4.5 Supply specifications
5 Requirements for compounds
5.1 General
5.2 Specification
6 Temperatures
6.1 General
6.2 Temperature limitation
6.3 Determination of the limiting temperature values
7 Constructional requirements
7.1 General
7.2 Determination of possible faults
7.3 Switching contacts
7.4 External connections
7.5 Protection of bare live parts
7.6 Cells and batteries
7.7 Protective devices
8 Type tests
8.1 Tests on the compound - water absorption test
8.2 Tests on the apparatus
9 Routine verifications and tests
9.1 Visual inspections
9.2 Dielectric strength test
10 Marking
Annex A (informative) Basic requirements for compounds for
encapsulation "mD" apparatus
Annex B (normative) Allocation of test samples
Annex C (normative) Test procedure during thermal cycling test
Annex D (Informative) United States major deviations
This standard is to be read in conjunction with IECANSI/ISA-61241-0, the requirements of which apply to electrical apparatus protected by encapsulation and surface temperature limitation unless specifically excluded.
| Committee |
SP12.10
|
| DevelopmentNote |
To be read in conjunction with ISA 61241-0. (10/2006)
|
| DocumentType |
Standard
|
| ISBN |
978-1-55617-934-1
|
| Pages |
44
|
| PublisherName |
International Society of Automation
|
| Status |
Withdrawn
|
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