適用范圍 Applicable scope

        GTH-85系列熱繼電器適用于交流50Hz,主電路額定電壓660V，電流至630A的電力系統中作為三相交流電動機的過載和斷相保護，具有斷相保護，溫度補償，脫扣指示功能，能自動與手動復位，并與GKC系列交流接觸器配合使用，組合電器磁起動器。

       GTH-85 series thermal relay is suitable for the power system of AC 50Hz,main circuit rated volatge up to 660V,current up to 630A,used as protecting AC three-phase motor against overload and phase losing,and forming electrom-agnetic with starter GKC series AC contactor

       It has functions of phase-losing protection temperature campe.trip indication.lt can passively and automatically get back.

型號及其含義 Model and its meaning

主要技術參數 The main technical parameters

安裝尺寸圖及接線圖 Installation dimensions and wiring diagram