ICL-28L 48A AC Input Inrush Current Limiter with Integrated Relay | Protects Circuit Breakers, Enables Multiple Power Supplies in Parallel, for Industrial Automation and Data Centers

The ICL-28L is an AC inrush current limiter designed to prevent circuit breaker tripping caused by large capacitive loads in industrial applications. It limits inrush to 48A, enables using smaller breakers, and supports parallel connection of multiple power supplies on the same AC line. With NTC-free design, compact size, and wide operating temperature.Key Features:Inrush Limiting: Limits up to 48A, protects downstream IGBT modules.Integrated Bypass Relay: No NTC, <2W standby loss after startup.Comprehensive Protection: Built-in thermal fuse for overload/overtemp safety.Dual Version: L-type 175x42x24mm ultra-slim; R-type DIN-rail 52.5x90x54.5mm.Wide Temp & High Altitude: -30°C to +70°C operation, up to 5000m altitude.High Capacitive Load: Supports up to 6000µF, ideal for VFDs, UPS.Low EMI: EN55032 Class B compliant.Technical Specifications:Input Voltage: 180-264VAC (47-63Hz)Continuous Current: 48A (6440VA max)Inrush Limiting Current: 48ANormal Loss: <2W @264VACCapacitive Load: 6000µF maxOperating Temp: -30°C to +70°CVibration: 10-500Hz, 2GMTBF: >1.6M hours (MIL-HDBK-217F)Safety/EMC: IEC62368-1, EN55032 Class B, EN61000-3-2, OVC IIIDimensions (L/R): 175x42x24mm / 52.5x90x54.5mmApplications:Parallel power supplies (industrial cabinets, 3D printer farms)Data center power & UPSLarge capacitive loadsTelecom base stations & outdoor cabinetsAutomation lines & robot control cabinetsLED display driversWarranty and Support:Every unit is tested and comes with a 1-year warranty.

• Prevents Breaker Tripping – Limits inrush current to 48A. Supports paralleling multiple power supplies on one AC line with 48A continuous current
• Integrated Bypass Relay, No NTC, Low Loss – Built-in relay replaces traditional NTC, simplifying design and reducing components. Standby loss <2W
• Rugged Design – Wide operating temp -30°C to +70°C, up to 5000m altitude. Internal thermal fuse protects against overload and fire. Compliant with Overvoltage Category III and IEC62368-1 for long-term reliability
• Flexible Installation, Space-Saving – Two form factors: L-type ultra-slim (175x42x24mm) for narrow spaces; R-type DIN-rail mount (52.5x90x54.5mm) for easy cabinet integration
• Full Protection – MTBF >1.6M hours (MIL-HDBK-217F). Supports 6000µF capacitive load, EN55032 Class B EMC. Includes 1-year warranty