1. ambient temperature:-25℃-+55℃,
2. relative humidity:≤98%,
3. nomally workable when vibration frequency is 2-80Hz with acceleration of.0.7g
4. pollution degree is 3, installation g roup is III
5. "TH" marked can work at damp-heat environment.
1.Power frequency withstand voltage:2.5kv/1min(effective AC value),
2.insulation resistance:≥ 22MΩ,
3.Allowable voltage fluctuation: ± 20%,
4.Continuous operating life: ≥30000H.
7.Protection degree of the head IP65, IP67 is available on request,