Enphase PLC Line Filter 400A 3 Phase QD-LCF-400-3P
Enphase PLC Line Filter 400A 3 Phase QD-LCF-400-3P
Enphase PLC Line Filter 400A 3 Phase QD-LCF-400-3P
Enphase PLC Line Filter 400A 3 Phase QD-LCF-400-3P
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Enphase PLC Line Filter 400A 3 Phase QD-LCF-400-3P
QD-LCF-400-3P
Enphase PLC Line Filter 400A 3 Phase QD-LCF-400-3P
The Enphase QD-LCF-400-3P is a high-capacity three-phase line filter designed to isolate power line communication (PLC) domains in commercial solar applications. It supports IQ8P-3P or IQ8H-3P Microinverters and is ideal when multiple Enphase IQ Gateway Commercial 2 devices share a utility transformer or when site loads introduce electrical noise.
Key Benefits
PLC Domain Isolation: Separates PLC signals to prevent communication interference across multiple IQ Gateways.
High Current Rating: Supports up to 400 A per line, making it suitable for large-scale commercial systems.
Built-In Surge Immunity: Filters electrical noise that may affect inverter communications and monitoring.
No Phase Coupler Required: Simplifies installation by eliminating the need for additional couplers.
Special Technology
Insertion Loss & Impedance: >50 dB insertion loss and >100 Ω impedance across 80–130 kHz PLC frequency band.
Thermal Performance: Designed to operate in extreme environments up to 149°F (65°C).
Warranty
Backed by Enphase’s standard commercial accessories warranty (refer to Enphase for details).
Best Uses
Large Commercial Installations: Prevents PLC crosstalk when deploying multiple IQ Gateways on shared transformers.
Industrial Environments: Filters out electrical noise from heavy machinery affecting microinverter communication.
Three-Phase Solar Arrays: Designed to work specifically with IQ8P-3P and IQ8H-3P inverter systems.
Specifications Table
| Specification | Data |
|---|---|
| Model | QD-LCF-400-3P |
| Rated Current | 400 A (temperature adjusted to 65°C) |
| Rated Voltage | 480 VAC +10% |
| Frequency | 50/60 Hz |
| Power Dissipation | 75 W max (current dependent) |
| Operating Temperature | -40°F to 149°F (-40°C to 65°C) |
| Weight | 31.0 lbs |
| Dimensions (L × W × H) | 17.36 × 6.69 × 5.90 in |
| Impedance | >100 Ω (80–130 kHz) |
| Insertion Loss | >50 dB (80–130 kHz) |
| Leakage Current | <10 mA @ 480 V |
| Certifications | cURus, EN60939, RoHS |
| Terminal Type | Bus bar (25 mm with M10 bolt), Ground (M10) |
| Recommended Conductor Size | 500 kcmil |
| Mounting | Use integrated holes in suitable enclosure |
About Enphase Energy:
Enphase Energy is a global leader in solar energy solutions, renowned for its microinverter technology that maximizes solar panel performance and reliability. Enphase offers integrated systems that combine solar, storage, and energy management for optimized home energy use.
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