โอเวอร์โหลด TR20B-1E 9(7-11) ฮิตาชิ HITACHI โอเวอร์โหลดรีเลย์ Thermal Overload Relays
IEC Standard Satisfied : These thermal overload relays conform to the IEC Standard,
and provide perfect motor protection.
Automatic and manual reset : Automatic and manual reset can be easily set with a screwdriver
Easy to Use : All controls are located on the front, A trip indicator is provided