Universal P750ML5AC5M-500K

The Universal Triad® P750ML5AC5M500K Ballast Kit  is an industrial-grade, heavy-duty magnetic core-and-coil HID replacement engine engineered to operate a single 750-watt pulse-start metal halide lamp. Utilizing a robust Constant Wattage Autotransformer (CWA) circuit configuration, this high-power magnetic autotransformer delivers excellent voltage regulation to insulate the lamp arc from severe building power sags. Outfitted with an expansive **5-Tap terminal lead array handling 120V, 208V, 240V, 277V, or 480V line configurations**, it serves as the primary choice for industrial manufacturing centers, high-clearance shipping yards, high-bay warehouses, and outdoor stadium flood lighting towers.

ADL Supply Expert Application & Replacement Guide

The Universal Douglas P750ML5AC5M500K 5-tap ballast kit is a heavy-duty industrial building maintenance standard specified heavily for high-clearance warehouse racks, open automotive assembly floors, heavy shipping ports, civil floodlighting hubs, and high-mast outdoor parking lot security towers. Engineered to serve as a high-performance replacement layout to supercede old legacy magnetic cores, this comprehensive installation kit packages a heavy-duty autotransformer block alongside zinc-plated geometric brackets, specialized wire connectors, an oil-filled high-power-factor correcting capacitor, and a matching pulse starter block to minimize field modification times.

Critical Pulse-Start M149 Ignitor Wiring Rules and Casing Thermal Boundaries: Electrical contractors executing maintenance replacement shifts must note the precise technical parameters of the **ANSI M149 circuit code footprint**. Unlike older probe-start ballasts that rely on an internal third electrode built directly inside the bulb capsule to fire, pulse-start systems do not possess internal starting aids. **Consequently, this ballast kit requires the external solid-state ignitor box (Model P750-1B included) to be wired in series with the lamp circuit**.

The ignitor generates a high-voltage striking pulse peaking between 3,000V and 4,000V upon ignition to safely bridge the gas column gap. Leaving out the ignitor will prevent the lamp from lighting. Wire routing must strictly mirror the color-coded diagram stamped on the transformer face plate, ensuring that unused high-voltage voltage tap lines (such as the 480V or 277V leads) are individually terminated with wire nuts and insulated to at least 600V to stop static arc-over tracking faults inside the luminaire housing box.

Detailed Product Specifications

• Brand: LEDVANCE (Formerly Universal Lighting Technologies / Universal Douglas)
• Product Series Line: Magnetic High-Intensity Discharge (HID) Core & Coil Replacement Kits
• Manufacturer Complete Model ID Suffix: P750ML5AC5M500K (also logged as UNVM-P750MLAC5M)
• Mfr Part Number / MPN Reference: P750ML5AC5M
• UPC Barcode Number (GTIN-12): 00768386244776
• Control Component Class: Magnetic Core & Coil Autotransformer
• Load Circuit Configuration: Controls Exactly (1) 750-Watt HID Lamp
• Certified Industry ANSI Standard: M149 Circuit Load Code Compliant
• Nominal Input Voltage Tap Array: 5-Tap Universal (120V / 208V / 240V / 277V / 480V AC Input)
• Line Input Frequency Capacity: 60 Hz
• Circuit Regulator Topology: Constant Wattage Autotransformer (CWA)
• Total Circuit Power Consumption: 820 Input Watts under full operational load
• Ballast Factor Rating Constant: 1.00 (Standard Optimal Output Regulation Curve)
• Power Factor Metric: 90% Minimum Starting Power Factor Performance
• Sustained Input Current Draw (120V Line): 6.95 Amperes open / 4.85 Amperes starting load
• Sustained Input Current Draw (480V Line): 1.75 Amperes open / 1.20 Amperes starting load
• Open Circuit Voltage Potential (OCV): 340 Volts AC
• Insulation Thermal Class: Class H Certified ($180^\circ\text{C}$ extreme boundary line)
• Minimum Ambient Starting Threshold: -22°F (-30°C)
• Included Ignitor Model Component: P750-1B Solid-State Ignitor Capsule
• Included Capacitor Kit Model: 005-1799-MF (Oil-Filled Metal Can, 28 Mfd, 400V Max)
• Core Block Thickness Dimensions: 4.25" Inches depth profile width (107.9mm actual)
• Core Block Physical Height: 4.90" Inches total height configuration (124.4mm actual)
• Core Block Physical Length: 5.75" Inches total footprint length (146.1mm actual)
• Total Kit Physical Weight Mass: 19.0 lbs (8.62 kg total bulk block weight)
• Industry Compliance Matrix: UL Bench Top Rise Letter Code Certified, CUL US Listed, RoHS Compliant

Certified ANSI Metal Halide Load Code Compatibility

This 750W magnetic 5-tap CWA engine is calibrated to strike and regulate the following high-output HID fields:

• ANSI M149 Circuit Load Code: High-Efficiency Clear or Coated 750W Pulse-Start Metal Halide Lamps

Operation, Safety & Mounting Compliance

Constant Wattage Autotransformer Line Voltage Stabilization

By implementing a continuous CWA magnetic transformer loop working alongside its integrated oil-filled capacitor, this module isolates the burning high-pressure pulse-start arc column from sudden building grid voltage sags. The CWA circuit maintains a steady lamp operating wattage output variance of within $\pm10\%$ even when primary line voltage swings fluctuate broadly by up to $\pm10\%$ across building legs. This regulation prevents the lamp from suddenly extinguishing (dropping arc) when heavy industrial inductive machinery, heavy HVAC lines, or processing shop motors cycle on adjacent branch tracks.

Chassis Lead Extensions and Thermal Safety Mounting

During core change-outs inside deep high-bay fixture housings, installers must tighten the steel bolts through the core plates to anchor an unbroken, low-impedance equipment grounding track. This component features an elite Class H insulation wrap layer rated to absorb persistent thermal stress peaks up to $180^\circ\text{C}$. Lead wire pathways exiting the transformer coils are 18 AWG copper wires pre-insulated to withstand line-voltage potentials up to 600V AC. Maintain a maximum remote lead distance from the ignitor to the porcelain socket of 10 feet when executing remote mounting configurations away from high-bay fixture heads.

Commercial Equipment Industry Cross-References

This industrial 750W ANSI M149 core-and-coil ballast kit serves as a direct drop-in replacement for the following parameters:

• Philips Advance Match: 71A64E2 / 71A64E2-500D / 71A6490-001D (5-Tap and Quad Core HID Replacement Kits)
• GE Current Precision Alternative: GEP750MLTAC5-5 / GES750ML5AC505
• Sylvania Reference: M750/MULTI-PS-KIT / 47146 (Multi-Tap Pulse Start Alternative)
• Venture Lighting Alternative: V90D7910K / V90E7910K

Bulk Commercial Lighting Supply & Project Support

ADL Supply handles volume logistics management, tiered commercial contractor pricing models, and full pallet project quotes for facility teams, municipal procurement agents, and electrical accounts nationwide.

For professional contractor tiered discounts, full pallet freight distributions, or dedicated technical submittal specification sheets, reach our support center directly at 1-800-235-3489. We are your commercial supply partners as a dedicated wholesale Lighting Distributor In Doral, Florida.