RA Type thermal overload relay is mainly used electricsystem with AC50~60HZ, rated operation voltage up to 600V, current to 250A.
It is used to protect AC three-phase asynchronous motoragainst overload and open-phase.
This product can be properly combined with contactors andinstalled in an enclosed as motor starter to protect the motor from overloadand open phase.
- Thermal relay with overload and phaseloss protective equipment.
調整範圍 Setting Range(A) | 中心值 Nominal Rating(A) | 可搭配接觸器型號 Contactor | 淨重(g) Net Weight |
32 - 40 - 48 | 40 | 185 | |
E代號表示繼電器有欠相保護. | |||
手動或自動復歸 |