ZEROSPAN SN series Motor soft starter
Product Description
1.SCR overheating protection
When the heat sink temperature is higher than 80 3 ℃, then the automatic buffer stop or prohibit the start, and a flashing red light Err.1.
2. To prevent the start due to phase
If the main power supply due to start phase two flashing red light is Err.1 and ban starts. (Main power K1, K2, K3 can not and then
Other components, or will be affected less phase detection)
3. Reversible lock function
Three-phase power to detect positive and negative phase sequence, can choose to allow or permit the operation of a single direction rotating, and prevent errors reversal
Damage to equipment. (If the phase sequence error, then Err.1 flashing red light c)
4. Start Failure
Start at the constant current mode, when the motor does not start after the completion of 0-120 seconds, then Err.1 red light flashes and four automatic stop.
5. Motor overload protection
Overload detection with intelligent, can overload electrical current according to motor size, discriminant trip time and trip time
(Trip Time) can be adjusted. When the motor overload occurs when the emergency stop (no buffer stop), and a flashing yellow light Err.2.
6. Motor low load protection
Motor running current is persistently lower than the set value, the low load protection action, the second flashing yellow light is Err.2, after a period of time the buffer stop.
(Applied to the water pump load detection, or equipment rotating belt, chain breakage detection .. etc..)
7. Three-phase current imbalance detection (Unbalance)
When the three-phase current balance degrees below the set value, Unbalance abnormal movements, the Err.2 three flashing yellow light, the motor buffer stop.
8. Open or self-sensing circuit fault detection
After all voltage output when the motor, if the anomaly is detected, then Err.2 and buffer stop flashing yellow light 4.
9.Thyristor short-circuit detection
When the boot is produced abnormal current (such as the SCR module short-circuit), then Err.2 five flashing yellow light, and to prohibit start.
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