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3-Phase Voltage & Current Protector, 110/220VAC, 80A, Over/Under Voltage & Overcurrent, DIN Rail
- 6-Display Whole-House Monitor: This smart circuit breaker shows 3-phase voltages + 3-phase currents simultaneously on a 6-digital tube displayno toggling. Perfect for workshops and commercial panels needing instant whole-house power visibility.
- 9-in-1 Whole-House Protection: Covers overvoltage (121-150V adj.), undervoltage (80-119V adj.), overcurrent (0.5-80A adj.), phase loss, phase error, neutral failure & 3-phase imbalance. Trips in 0.1s during overvoltage to safeguard your entire system.
- Fully Adjustable Smart Protector: Set trip thresholds, recovery values, action delays (0.1-600s), power-on delay (2-256s) & recovery delay (1-600s) via the SET menu. Adapts this whole-house device to any 3-phase application.
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Fault History & Dual Reset Modes: Stores last 5 faults with error codes (UL/UH/UBB/AbC) for quick diagnosis. Choose AU auto-reset for unattended sites or HA manual reset for full user control.
Overcurrent Lockout & Factory Reset: Locks after 5 overcurrent trips in a short periodprevents repeated connection to faulty loads. Press and hold the two adjustment keys for 3 seconds, all indicators flash and the device automatically exits setup with factory defaults restoredready for reconfiguration. Working Voltage: 3 Phase 4 Wires, 110V/220VAC, 80A (Resistive Load).
Overcurrent Lockout & Factory Reset: Locks after 5 overcurrent trips in a short periodprevents repeated connection to faulty loads. Press and hold the two adjustment keys for 3 seconds, all indicators flash and the device automatically exits setup with factory defaults restoredready for reconfiguration. Working Voltage: 3 Phase 4 Wires, 110V/220VAC, 80A (Resistive Load).








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Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Grandwood Tech Limited Return Policy
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