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我觉得可能划作III类比较妥当。。。* t! @3 I& I" b" }( ]/ ~4 m
8 x, Q: O: Z! E我把III类器具的定义列出来,你看你的器具能否满足?
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5 k) v7 d# _; g, i! N! d; [- m以下均引自IEC 60335-1-2006
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& G. [' ~% H: }- a' c; {! _3.3.12 : C" d, E5 g, j) F0 w( _! d, F
class III appliance* _! J- ^- O5 E
appliance in which protection against electric shock relies on supply at safety extra-low voltage and in which voltages higher than those of safety extra-low voltage are not generated1 p# A" A1 [0 X7 i
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2 g' `1 q. J) N! i" f( G- F3.4.2
) J2 k' e# q, y- `2 j4 Osafety extra-low voltage" [( y5 V$ R5 k; G" [
voltage not exceeding 42 V between conductors and between conductors and earth, the noload voltage not exceeding 50 V When safety extra-low voltage is obtained from the supply mains, it is to be through a
N: X1 c* M' O! _7 { i2 fsafety isolating transformer or a convertor with separate windings, the insulation of which complies with double insulation or reinforced insulation requirements.
3 Q2 S) s1 ^. W, @NOTE 1 The voltage limits specified are based on the assumption that the safety isolating transformer is supplied at its rated voltage.
$ n# ~/ B! O* Z. X; y( X: NNOTE 2 Safety extra-low voltage is also known as SELV. |
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