250VAC 50A emi power line filter rf shielding
Maximize Audio Clarity and Equipment Stability
The HAOZHUO 50A 250VAC AC EMI Filter is a high-capacity line filter designed for demanding applications in high-fidelity audio, industrial power supplies, and sensitive equipment. This product minimizes electromagnetic and radio frequency interference that can compromise sound quality or disrupt industrial system reliability.
Built for High-Frequency EMI Elimination
Cables and internal wiring in audio systems can act as antennas for EMI. This filter efficiently targets high-frequency emissions (10 MHz and above), reducing both conducted and radiated interference. Its low-pass filtering ensures clean AC power delivery to high-sensitivity equipment, improving both performance and EMC compliance.
Optimized for Effective Installation
Performance depends on correct installation. This ac power line filter is designed for bulkhead mounting at the point of power entry (POE), maximizing isolation and minimizing coupling. Input/output wiring should be short and, where possible, shielded—ensuring EMI suppression at its most effective level.
Product Advantages
High Current Support:Rated at 50A and 250VAC, ideal for high-power audio amplifiers, industrial drives, or power-distribution systems with sensitive electronics.
Effective Noise Suppression:Targets EMI noise in the tens of MHz range, making it ideal for applications where high-frequency power distortion affects system reliability.
Audio-Optimized Design:Preserves signal clarity and soundstage in professional audio equipment, mixers, and broadcast transmitters by delivering ultra-clean power.
Installation-Friendly:Bulkhead mountable with versatile terminal connections, this ac emi filter is easy to integrate into cabinets, racks, or wall-mounted enclosures.
Quality Manufacturing Standards:Manufactured under CE and RoHS compliance, this product is built by an experienced rf filters manufacturer with strict industrial standards.
The cables and wiring inside a system including the input power cables can act as an antenna for high-frequency noise (10’s of MHz and up) radiating them through the air as well as picking them. This can pose a serious challenge for mitigating radiated as well as high frequency conducted emissions. The higher frequency (10’s pf MHz and up) noise filtered by the filter circuit can couple back on the other side (cables) via the radiated mode. This makes the installation of the filter quite critical. Keeping the following EMI filter installation recommendations in mind can ensure proper EMI filter performance:
| RATED VOLTAGE | 250 VAC | ||
| RATED CURRENT | 30 A | ||
| OPERATIONAL FREQUENCY | 50 60 Hz | ||
| Voltage Drop | Less than 1V | ||
| Overload | 140% of rated current for 15 minutes | ||
| Harmonic Distortion | Less than 2% @ full rated current | ||
| Leakage Current | ≤0.2A@380/230VAC and 50Hz | ||
| Dielectric Withstanding Voltage | 1000VDC (line to line) 1000VDC (line to case) | ||
| DC Insulation Resistance | As Per MIL-STD-202 Method 202 | ||
| Terminal Strength | As Per MIL-STD-202 Method 211 | ||
| Temperature Rise | As Per MIL-F-15733 | ||
| Insertion Loss | ≥100dB@14K-40GHz As Per MIL-STD-220A, Under Load Condition | ||
| Climatic Classification | 25/070/21 | ||
