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Shanghai 3S Global Company Limited
Thethree phase steel automatic pump controller can record and stores the last 10 fault events (Name + Code) for quick troubleshooting and fault analysis.
Retains parameter settings after power failure; resumes stable operation automatically once power is restored, ensuring continuity.
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Current type protection |
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Protection Function |
Description |
Default |
Adjusting Range |
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Inverse-time over current protection |
Inverse-time over current protection |
ON |
ON/OFF |
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Inverse-time over current ratio |
120 |
100～130% |
|
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Inverse-time over current curve level |
5 |
1～30 |
|
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Inverse-time over current auto restart time |
30 |
0～120min |
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Definite-time over current protection |
Definite-time over current protection |
OFF |
ON/OFF |
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Definite-time over current ratio |
130 |
100～600% |
|
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Definite-time over current delay |
20 |
1～120S |
|
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Definite-time over current auto restart time |
30 |
0～120min |
|
|
Under current protection |
Under current protection |
ON |
ON/OFF |
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Under current ratio |
65 |
1～99% |
|
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Under current delay |
5 |
1～120S |
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Under current auto auto restart time |
30 |
0～120min |
|
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Locked rotor protection |
Locked rotor protection |
ON |
ON/OFF |
|
Locked rotor ratio |
400 |
100～600% |
|
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Locked rotor delay |
3 |
1～120S |
|
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Blockage protection |
Blockage protection |
ON |
ON/OFF |
|
Blockage ratio |
240 |
100～600% |
|
|
Blockage delay |
5 |
1～120S |
|
|
Short circuit |
Short circuit delay |
1 |
Non-adjustable |
|
Specification |
3S-I31-040 |
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Input Voltage |
Three Phase AC220–415V (50/60Hz adaptive) |
|
Max Output Power |
4.0-30kW |
|
Control Modes |
Manual / Automatic / Timed / Remote (Optional) |
|
Supported Signals |
Digital
signals: Float switch, electrode probe, electric contact pressure gauge,
two-wire pressure switch, flow switch. |
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Protection Functions |
17 intelligent protections |
|
Enclosure Material |
Cold-rolled steel with industrial anti-corrosion coating |
|
Working Temperature |
-20°C ~ +55°C |
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Working Humidity |
Up to 95% RH |
|
Dimensions / Weight |
300*185*400mm / 8kg |
Installation Steps:
Disconnect power and choose a well-ventilated, stable location away from standing water.
Securely fix the iron intelligent simplex pump control box with expansion screws, ensuring proper grounding (resistance ≤4Ω).
Connect power supply, pump, and signal devices (float switches, pressure switches, etc.) according to the wiring diagram.
Power on, configure control modes, and test auto start/stop and protections.
Regularly clean surface oil and dust; maintain ventilation.
Test protection functions (dry run, locked rotor, etc.) every six months to ensure proper response.
Use the [Fault Record] key to check fault logs for quick troubleshooting.
Q1: Do I
need to manually set current and overload/underload thresholds?
A2: No. The 3S three phase steel automatic pump controller compatible with
different pump brands, features self-learning, automatically detecting
operating current and setting proper protection thresholds, simplifying
commissioning.
Q2: How can I check whether the signal inputs of the 3S iron intelligent simplex pump control box are functioning correctly during maintenance?
A2: Built-in signal loss detection and polarity protection for transmitters ensure safety. If input signal fails or disconnects, the system alarms automatically and displays the fault type on the LCD for quick troubleshooting.
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