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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?+ }9 U5 j% X+ Q7 m2 N: R
9 J8 _& Q9 I# m% L( a6 z; s以下均引自IEC 60335-1-20062 b4 ~6 ]6 K5 q* M( ]) I
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# L* `) m& z4 x9 zclass III appliance
/ L9 h9 K; J& [( 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. [/ Z( j, L5 O/ N
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
$ \( q, l% D; _: M1 D! }safety isolating transformer or a convertor with separate windings, the insulation of which complies with double insulation or reinforced insulation requirements.
( J" n/ N9 U' K# r5 A& gNOTE 1 The voltage limits specified are based on the assumption that the safety isolating transformer is supplied at its rated voltage.
* f2 l& X, O7 o6 P: ^0 \; P( eNOTE 2 Safety extra-low voltage is also known as SELV. |
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