IIIB ati IIIC mejeeji ṣiṣẹ bi awọn isọdi fun ohun elo itanna-ẹri bugbamu ni awọn eto eruku, pẹlu IIIC ipo loke IIIB.
III | C | T 135 ℃ | Db | IP65 |
---|---|---|---|---|
III Eruku oju | T1 450℃ | Ma | IP65 | |
T2 300 ℃ | Mb | |||
T3 200 ℃ | ||||
A Flammable ń fò flocs | Ati | |||
T4 135 ℃ | ||||
Db | ||||
B Non conductive eruku | T2100 ℃ | Dc | ||
C eruku conductive | T6 85 ℃ |
Ni awọn agbegbe ti a tito lẹšẹšẹ bi IIIA, IIIB, tabi IIIC, Awọn ipo IIIC jẹ eewu ti o ga julọ. Awọn mọto servo ti o jẹ ẹri bugbamu IIIC yẹ fun lilo ni awọn agbegbe eruku IIIB, nigbati awọn mọto IIIB ko ṣe ipinnu fun lilo ni awọn agbegbe gaseous.
Gbogbo awọn mọto servo ti o jẹri bugbamu jẹ ipin bi IIIC, ṣiṣe wọn dara fun awọn ipo eruku pupọ.