★Mahi 1:Mahi tiaki iahiko nui. Ka aro turuki aunoa tēnei parepare i te iahiko whakahaere i muri i te whakapai ake. Me pēhi kotahi noa te tāpiri me te tango iahiko ā-ringa kia taurite ai te iahiko whakahaere. Ka whakaaturia te mutunga hei whakaū kua tīmata te parepare ki te uru ki te āhua tiaki. Kāore e hiahiatia ana e ngā kaiwhakamahi te pēhi i te tāpiri me te tango iahiko. Ka whakaaturia te mutunga 25 hēkona i muri i te hononga o te kawenga hei ako aunoa i te iahiko whakahaere kawenga. I tēnei wā, ka uru hoki ki te tiaki iahiko nui (kaua e whakahaere).
E ai ki te iahiko e rere ana te kawenga, te mahi kawenga katoa rānei, ko te 1.2 ngā wā o te tiaki iahiko mahi ka tīpakohia i te nuinga o te wā. Ina ≥1.2 ngā wā o te iahiko mahi o te motuka, ka kitea e te kaitiaki te āhua mahi o te motuka. Ka tū te kaitiaki i roto i te 2-5 meneti, ā, ka tohu te waehere hapa ki a E2.3. Ina ≥1.5 ngā wā o te iahiko mahi o te motuka, ka kitea e te kaitiaki te āhua mahi o te motuka. Ka tū te kaitiaki i roto i te 3-8 hēkona, ā, ka tohu te waehere hapa ki a E2.5. Ina nui ake te iahiko e rere ana i te iahiko whakatauranga o te kaitiaki, ka tū te kaitiaki ka momotu i roto i te 2 hēkona, ā, ko te whakaaturanga ko E4. Kia mahara ko te iahiko mōhio iti rawa o tēnei kaitiaki ko 1A (0.5KW) neke atu rānei.
★Mahi 2:Mahi tiaki i te ngaronga ā-wāhanga. Ina ngaro tetahi ā-wāhanga o te motuka i te wā e mahi ana, ka rongo te inductor tahi i te tohu. Ina whakaoho te tohu i te keu hiko, ka panaia e te keu te tukunga, ā, ka tapahia te pūtake hiko o te ara iahiko matua o te pana hei tiaki i te motuka. Whakaaturanga E2.0 E2.1 E2.2.
★Mahi 3:Ko te mahi tiaki turuturu, ko te kaupapa o te turuturu o tēnei hua ko te kaupapa mahi kāore te iahiko raupapa ā-wāhanga kore i te 0, ko te taunoa wheketere ko te 100mA, ina he iahiko turuturu o te pūnaha neke atu i te 100mA, ka momotu tere te kaitiaki i te ara iahiko matua i roto i te 0.1s hei tiaki i ngā taputapu pito-uta, ā, ka whakaatu i te E2.4. (Ka whakakāhia te mahi turuturu mā te taunoa i te wheketere. Ki te hiahia koe ki te whakaweto i te mahi turuturu, pēhia te kī tautuhinga ki te E00, kātahi ka pēhi me te pupuri i te kī meneti kia puta rā anō te E44 i te mata, e tohu ana kua whakawetohia te mahi turuturu. I tēnei wā, ki te hiahia koe ki te whakakā i te mahi turuturu, tīmata anō i te pana, kātahi ka pēhi i te kī tautuhinga ki te E00, kātahi ka pēhi me te pupuri i te kī hāora kia puta rā anō te E55 i te mata, e tohu ana kua whakakāhia te mahi turuturu).
★Mahi 4:Mahi tatau iho, ko te taunoa kāore he tatau iho i muri i te whakakā o te parepare. Mena me whakarite te wā mahi, ka taea te whakarite ki te 24 hāora te roa rawa, me te 1 meneti te poto rawa. Ka taea e ngā kaihoko te whakarite kia rite ki te whakamahinga tūturu. Mena kāore te kaiwhakamahi e hiahia ki te tatau iho, ka taea te whakarite i te wā ki te 3 kore. Me tautuhi anō tēnei mahi i ia wā e whakamahia ana. (Ka whakawetohia te mahi tatau iho i te taunoa ina wehe atu te kamupene i te wheketere. Hei whakakā i te mahi tatau iho, pēhia te pātene tautuhinga tuatahi kia puta rā anō ngā kore e 3 ki te mata, ā, ka kanapa ngā kore e 2 whakamutunga. I tēnei wā, pēhia te pātene hāora kotahi mō te 1 hāora, ā, pēhia te pātene meneti kotahi mō te 1 meneti. I muri i te whakarite i te wā, ka motu aunoa te pana ka tapahia te hiko ina pau te wā, ā, ka whakaatuhia te E-1.0).
★Mahi 5:Te mahi ngaohiko-rahi me te ngaohiko-iti, ina nui ake te ngaohiko tuku hiko kotahi i te uara tautuhinga pana "ngaohiko-rahi AC280V" "ngaohiko-iti AC165V rānei". Ina nui ake te ngaohiko tuku hiko 3 i te uara tautuhinga pana "ngaohiko-rahi AC450V" "ngaohiko-iti AC305V rānei", ka motu aunoa te pana ka momotu tere i te ara iahiko matua hei tiaki i ngā taputapu pito-uta. Ka whakaatuhia te ngaohiko-iti E3.0, ā, ka whakaatuhia te ngaohiko-rahi E3.1. (Ka whakawetohia te mahi tiaki ngaohiko-rahi me te ngaohiko-iti i te taunoa ina wehe atu te kamupene i te wheketere. Mena kei te hiahia koe ki te whakaweto, ki te whakaweto rānei, momotuhia te tuku hiko i te pito whakauru o te pana, pēhi me te pupuri i te pātene hāora, kātahi ka whakaweto i te hiko. Ka whakaatuhia te mata "UON" mō te whakakā me te "UOF" mō te whakaweto).
★Mahi 6:mahi tiaki kore-kawenga. Ina iti iho te iahiko e rere ana i te kawenga i te iahiko tiaki kore-kawenga i whakatakotoria e te pana, ka motu aunoa te pana hei tiaki i ngā taputapu pito-kawenga me te whakaatu i te E2.6. (Ka whakawetohia te mahi tiaki kore-kawenga i te taunoa ina wehe atu te kamupene i te wheketere. Hei whakakā i te mahi tiaki kore-kawenga, momotuhia te pūtake hiko i te raina e haere mai ana o te pana, pēhi roa i te kī tautuhinga, kātahi ka whakakā i te hiko. Ina whakaaturia te L ki te mata, whakatakotoria te iahiko kore-kawenga. Ko te kī hāora ko "+" ā, ko te kī meneti ko "-". Whai muri i te whakatakoto, whakawetohia te pūtake hiko raina e haere mai ana, kātahi ka tīmata anō te pana. I tēnei wā, kei te pana te mahi tiaki kore-kawenga. Hei whakaweto i tēnei mahi, whai i ngā mahi o runga ake nei hei whakatika i te uara i muri i te L ki te 0).
| Tauira | A | B | C | a | b | Ngā kōhao whakairi |
| CJ15LDs-40(100) | 195 | 78 | 80 | 182 | 25 | 4×4 |
| CJ15LDS-100 (Tata) | 226 | 95 | 88 | 210 | 30 | 4×4 |
| CJ20LDs-160(250) | 225 | 108 | 105 | 204 | 35 | 5×5 |
| CJ20LDs-250 (Tata ki te) | 272 | 108 | 142 | 238 | 35 | 5×5 |