| Parameter | Details | | :--- | :--- | | | Phase sequence (reverse phase), phase loss (static/dynamic), over-voltage, under-voltage, and voltage imbalance protection | | Rated Voltage | 220VAC, 380VAC, 440VAC, 460VAC | | Operating Voltage | 200-500VAC (with some Smart models supporting up to 690VAC) | | Operating Frequency | 50/60 Hz | | Output Contacts | 1 Normally Open (NO) and 1 Normally Closed (NC) , electrically separate | | Contact Capacity | 5A / 250VAC (resistive load) | | Dimensions (W×H×D) | Approx. 68mm × 76mm × 30mm |
: Instantly trips the circuit during a phase reversal or voltage spike, preventing motor damage. Ease of Use
The status LED indicators provide instant feedback on your three-phase line health: gmr-32b phase controller manual
Use insulated copper wire with a cross-sectional area between .
Use insulated copper wire (1.0~2.5mm²). Ensure the wire is inserted fully (8mm depth) to maintain dielectric strength. Control Circuit Wiring (Output): | Parameter | Details | | :--- |
Check all electrical connections for tightness periodically to prevent overheating.
Check control circuit fuses, transformer output, and terminal connections. Unstable input control signal or phase sync loss. Use insulated copper wire (1
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The GMR-32B utilizes advanced microprocessor-controlled phase-angle firing to deliver smooth, infinitely variable power to a load. By adjusting the conduction angle of the SCR, it ensures stable voltage and current regulation despite fluctuations in line supply. Key Technical Specifications