61558 变压器的输出connector, glow-wire test(灼热丝测试） 要做多少温度？

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参照下面61558，请问
, `2 f0 h+ S0 {0 {1 k' Z4 Z变压器的输出connector(见图片）, glow-wire test(灼热丝测试） 要做多少温度？
( A2 n9 Q5 |, ?& V变压器输出24VAC 0.25A

4 ~. V+ [+ ^# o  S5 W7 T
27.3.1 External accessible parts
External parts of insulating materials shall be resistant to ignition and spread of fire.
Compliance is checked by subjecting enclosures and other external accessible parts to the
( k  N# h: Z# k9 D/ _2 cglow-wire test with the temperature of the glow wire as follows:
– 650 °C for enclosures
. P2 T5 e* ?$ G9 d+ a– 650 °C for parts retaining current carrying (keeping in position) parts in position and
terminals for external conductors which carry a current up to 0,2 A during normal
operation
) W7 H$ Y1 L! N9 Y0 a! ^0 `3 w' [– 750 °C for parts retaining (keeping in position) current carrying parts in position and
terminals for external conductors with fixed connection (e.g., soldering) which carry a
current exceeding 0,2 A during normal operation
* k/ a9 k2 J# G" `– 850 °C for parts retaining (keeping in position) current carrying parts in position and
terminals for external conductors with non-fixed connection which carry a current
: h( C; Q0 i4 N/ k$ \7 rexceeding 0,2 A during normal operation
No glow wire tests are required for foils in thin sheet form with a thickness of up to 0,2 mm.
" f7 d: r2 ^8 w2 Q$ N' L* g2 D27.3.2 Internal parts
( G& w# u9 k2 W" S8 Z! X1 m* uParts of insulating materials retaining (keeping in position) current carrying parts in position
5 a; K, b* d/ k" wshall be resistant to ignition and spread of fire.
Compliance is checked by subjecting the parts of insulating materials to the glow-wire test
' U4 z. @$ ?6 }+ W  R: Iwith the temperature of the glow wire as follows:
$ p; r4 ]" u) a2 l4 {/ w– 550 °C for internal insulating material not retaining (not keeping in position) current
carrying parts in position
– 650 °C for coil formers (bobbins)
: s& n" e+ B5 l* |' u7 W% H/ t– 650 °C for parts retaining (keeping in position) current carrying parts in position and
terminals for external conductors which carry a current up to 0,2 A during normal
operation
- N# u2 R; f: x+ M+ X9 |– 750 °C for parts retaining (keeping in position) current carrying parts in position and
) v8 ?# _) P5 j9 K1 Cterminals for external conductors with fixed connection (e.g., soldering) which carry a
current exceeding 0,2 A during normal operation
– 850 °C for parts retaining (keeping in position) current carrying parts in position and
terminals for external conductors with non fixed connection which carry a current
/ z9 k/ u) U' N, F" m5 ^" bexceeding 0,2 A during normal operation
& O/ F& |8 A" q# V1 b$ Y8 N6 [No glow wire tests are required for foils in thin sheet form with a thickness of up to 0,2 mm.

hss1981530

750°C