IEC 60884-1 clause 10.1和clasue 24.5关于压力测试各自的目的是什么？

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IEC60335试验指甲

10.1节选
1 V% n  @0 [8 |4 Y; ^* w# ]Each specimen of plug or portable socket-outlet is then pressed between two flat surfaces
with a force of 150 N for 5 min, as shown in figure 8. The specimen is checked 15 min after
removal from the test apparatus, and shall not show such deformation as it would result in
! Z4 w: l6 T' A% ]# s% r* Rundue alteration of those dimensions shown in the relevant standard sheets which ensure
* q/ u4 `1 Q, S; t, tsafety.
9 \2 D3 j6 L0 N) o* I8 a. z+ f: n
' J5 N; [! s4 p; b1 a; z# j1 M24.5 The specimens are subjected to a compression test as shown in figure 8, the
temperature of the pressure plate, of the base and of the specimens being (23 ± 2) °C and the
! v& s3 X1 m9 c6 Z2 u: J1 ?force applied being 300 N.
The specimens are first placed in position a), as shown in figure 8, and the force is applied for
2 X, r% h; N  E6 L( h  n1 min. They are then placed in position b), as shown in figure 8, and again subjected to the
  A4 R8 M. b; Y# f0 k. u, z& Qforce for 1 min.
The specimens are removed from the test apparatus and after 15 min they shall show no
. P* }, ?  q/ S2 Y. @5 n" V3 b3 ~( A9 {damage within the meaning of this standard.
) O- m2 G! `, a* ^
& w6 F! U8 h9 f. C- w$ x
问题：clause 10.1所用压力为150N，而clause 24.5所用压力是300N。IEC 60884-1 clause 10.1和clause 24.5关于压力测试各自的目的是什么？
( d+ {  r+ }$ u) M/ G; Q
  q: p5 d) @) i; h