The FL 22-00-F5-XX is a medium-high current power terminal block designed for industrial and commercial systems requiring balanced power handling and installation flexibility.
FL 22-00-F5-XX
XLCF
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Center Space | 19.00mm |
Wire Range | 22mm²(Max) |
Screw Torque | 25 lbf·in |
Rated Current | 600V,80A |
Surge Voltage | 6000V |
Insulation Body | PC,UL94,V - 0 |
Screw Material | M6,STEEL |
Terminal Body | BRASS |
Temperature | -40℃ - 120℃ |

FL 22-00-F5-XX Product Diagram
Featuring an 8.25mm center space (for thick wires) and a 600V AC/DC, 22A rating, it operates across a temperature range of -40℃ to 105℃—suitable for applications like commercial HVAC, small industrial motors, or backup generator wiring. The "F5" designation mirrors its high-current counterpart (FL 38-00-F5-XX), offering flexible length options: L+5.08mm and L+10.16mm (L = 8.25mm × Poles) for custom enclosures. Constructed with UL94 V-0 flame-retardant PA66 insulation (reinforced with 25% glass fiber) and tin-plated brass terminals, it balances durability with cost efficiency, while 7000V surge voltage resistance protects against power spikes. With a wire range of 20–8 AWG (covering control and power wires) and modular pole design, the FL 22-00-F5-XX is ideal for systems where 22A capacity meets load requirements without overspecification.
Dual Length Variants: Offers L+5.08mm (slight extension) and L+10.16mm (longer extension) to fit non-standard enclosures. For a 2P configuration (base length: 16.5mm), L+5.08mm = 21.58mm total (tight enclosures) and L+10.16mm = 26.66mm total (extra routing space).
Consistent Tolerances: ±0.25mm length tolerance ensures alignment in modular systems (e.g., HVAC control panels with multiple terminals).
22A/600V Rating: Fits applications like commercial HVAC fan drives (208V AC/18A), small industrial motors (240V AC/20A), and backup generator transfer switches (120V AC/22A).
Tin-Plated Brass Terminals: Tin plating enhances corrosion resistance (tested to 600 hours of salt spray) and maintains low resistance (0.0012Ω per terminal), minimizing heat generation at 22A.
7000V Surge Protection: Withstands voltage spikes from HVAC cycling or generator startups, protecting controllers and motors from damage.
25% Glass Fiber PA66 Insulation: Reinforced PA66 resists mechanical stress (e.g., wire tension) and heat, while UL94 V-0 flame retardancy meets safety standards. It is lighter and more cost-effective than the 30% glass fiber insulation in the PS-38 series.
M4 Brass Screws: Uses M4 brass screws for wire clamping, requiring 8–10 lbf·in of torque. Brass prevents stripping during installation of 8 AWG wires, common in medium-high current systems.
20–8 AWG Wire Range: Accommodates thin control wires (20 AWG for HVAC sensors) and thick power wires (8 AWG for small motors). The clamping mechanism fits both solid and stranded wires, with a recommended stripping length of 10mm.
Dual Mounting: Works with 4.0mm PCB holes and 4.2mm aluminum panel holes, using M4 mounting screws (torque: 7 lbf·in max).
Rooftop Units & Chillers: Connects power wires for fan drives (208V AC/18A) and compressor controls. Flexible length fits into standard HVAC control panels, while tin-plated terminals resist humidity in mechanical rooms.
Air Handling Units (AHUs): Used in AHU motor wiring and filter sensor power lines. The 22A rating handles motor currents, and surge protection safeguards against voltage spikes from HVAC cycling.
Light Manufacturing Equipment: Suitable for packaging machines, small conveyors, and assembly line tools (e.g., 240V AC/15A belt drives). The 8.25mm center space simplifies wiring for 8 AWG power cables.
Woodworking Tools: Used in table saws, drills, and sanders (120V AC/18A). UL94 V-0 insulation meets workshop safety standards, and flexible length fits into tool control enclosures.
Generator Transfer Switches: Connects power wires between generators and home/commercial electrical panels (120V AC/22A). The 600V rating exceeds generator output voltages, and surge protection prevents damage during startup.
Solar Micro-Inverters: Used in small solar systems (e.g., 5kW arrays) for inverter-to-battery wiring. The 22A rating handles battery charging currents, and tin-plated terminals resist UV-induced corrosion.
Key differences:
Current Rating: 22A (PS-22) vs. 38A (PS-38)
Insulation: 25% glass fiber PA66 (PS-22) vs. 30% (PS-38)
Surge Protection: 7000V (PS-22) vs. 8000V (PS-38)
Wire Range: 20–8 AWG (PS-22) vs. 18–6 AWG (PS-38)
Choose FL-22 for medium-high loads (≤22A) to save cost; FL-38 for heavy loads (≤38A).
Yes. Its 22A rating fits most residential generators (5–7kW, 120V AC/22A max), and flexible length adapts to generator transfer switch enclosures. Use 10 AWG copper wires (within 20–8 AWG range) for safe power transfer.
Use a 10mm stripping length. This ensures the conductor makes full contact with tin-plated terminals, minimizing resistance and heat generation. Shorter lengths (e.g., 8mm) may cause poor contact; longer lengths (e.g., 12mm) risk exposed conductors.
Yes, for low-power 3-phase applications (e.g., 240V AC/15A small motors). Select a 3P configuration (base length: 24.75mm) and use 10 AWG wires. For higher 3-phase loads (>22A), use the PS-38 series.