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参数资料
| 型号： | HDC32AADZO |
| 厂商： | WEIDMULLER |
| 元件分类： | 组合线连接器 |
| 英文描述： | FEMALE, COMBINATION LINE CONNECTOR |
| 文件页数： | 20/35页 |
| 文件大小： | 2210K |
| 代理商： | HDC32AADZO |
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A
Overview
HDC
Electrical data
Technical data
Design of clearances and creepage distances in
electrical equipment
General
Since April 1997 the sizing of clearances and creepage dis-
tances has been covered by DIN VDE 0110, part 1 “Insulation
coordination for electrical equipment in low-voltage systems”.
DIN VDE 0110, part 1 contains the modified edition of IEC
Report 664-1 (see also IEC 664-1/Oct 1992). Since April 2003,
the rules of DIN EN 60664-1 / 11.03 in conjunction with DIN 61984
/ 09.02 apply to the dimensioning of clearances and creepage
distances.
The design data resulting from these provisions is – if applicable
– specified in this catalog for each product.
For the design of clearances and creepage distances, applica-
tion of the regulations for insulation coordination produces the
following interrelationships:
Clearances
Clearances are rated in accordance with the following factors:
Anticipated surge
rated impulse withstand voltage
Used
surge protection precaution
Measures to prevent pollution
pollution severity
Creepage distances
Creepage distances are rated in
accordance with the following factors:
Planned
rated voltage
Insulation materials used
insulation group
Measures to prevent pollution
pollution severity
Slots are taken into account when measuring creepage
distances if their minimum width X is dimensioned according
to the following table:
Pollution severity
Minimum width X
in mm
1
0.25
21.0
31.5
42.5
If the associated clearance in air is less than 3 mm, the
minimum slot width can be reduced to 1/3 of the
clearance.
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