SJDB-T1 Multifunction Protector for Motor

BrandXiafengModel NumberSJDB-T1Temperature Range-40 80 (°C)Working Current10 160 (A)Working Voltage380VProduct CertificationCCCExternal Dimension140*133*74(mm) General description: SJDB-T1 integrated protector for motor (hereinafter referred to as protector) , which adopts single chip as its main control element, applies digital processing control technology. It has advantages of rapid speed, high precision and great control function. The use of digital dial setting maks its convenient operation. Functions: 1.Phase loss, phase current imbalance and overload protections. State self-locking. Indication of the cause of malfunction. 2. Digital setting of rated current of motor. 3. Switchover of auto start and manual start. 4. Delay auto start. Technical characteritics: 1. Phase loss and phase imbalance protections: the protection will happen 2s later when any phase is cut off or the minimum phase current is less than half of the maximum phase current while the maximum phase is greater than half of rated current. 2. Overload protection: this protection adopts inverse time protection 3. Overheat protection: the protector will act immediately when the normal closed contract of over-heat protective relay is disconnected.