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我觉得可能划作III类比较妥当。。。
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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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7 ~, b5 N. E- H& v! k d. @% z以下均引自IEC 60335-1-20066 `& y" v7 e7 }$ v" H- X: Q
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3.3.12
A: e" D* y2 [' P' {/ ]( Qclass III appliance
: u( f, h+ b2 ^2 T* ~( F) Y) W( Fappliance 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 generated
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safety extra-low voltage/ E+ U4 g+ ~6 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
v, e- o- T) L ]" v8 Q* V0 Xsafety isolating transformer or a convertor with separate windings, the insulation of which complies with double insulation or reinforced insulation requirements.5 D2 v" U {, C+ ?, \
NOTE 1 The voltage limits specified are based on the assumption that the safety isolating transformer is supplied at its rated voltage.( X$ Z, d5 _6 E3 F' R& Y% k4 K8 f
NOTE 2 Safety extra-low voltage is also known as SELV. |
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