Universal B232IUNVHP-N T8 Ballast

The Universal Triad® B232IUNVHP-N Ballast (P/N #54985) is a commercial-grade, high-performance electronic instant-start ballast engineered to drive one or two T8 linear or matching U-bend fluorescent lamps. Operating seamlessly across an auto-sensing IntelliVolt 120V to 277V power grid, this low-profile workhorse is optimized to deliver general fluorescent illumination with maximum electrical efficiency. Equipped with premium anti-striation circuitry and an advanced noise-suppression chassis, it regulates a stable 0.88 normal ballast factor while keeping total harmonic distortion (THD) below 10%, making it an ideal choice for corporate facility updates and maintenance runs.

ADL Supply Expert Application & Replacement Guide

The Universal Triad B232IUNVHP-N ballast is a commercial facility workhorse specified by electrical contractors and maintenance teams for broad-spectrum T8 fluorescent replacement across office troffers, strip fixtures, retail ceiling grids, school classrooms, warehouse strip lights, and outdoor canopy luminaires — particularly in mixed-voltage commercial buildings where a single ballast SKU must operate correctly on both 120V and 277V branch circuits without manual voltage selection.

Critical Shunted Lampholder Requirements and Temperature Traps: The **instant-start design applies a high ignition voltage directly across the lamp pins without cathode preheating, which mandates the use of shunted bi-pin lampholders at both socket terminal positions**. A shunted socket bridges the left and right contact points into a single electrical path. Trying to install this instant-start model on un-shunted (non-shunted) sockets left behind from older programmed-start or magnetic ballast networks will create an incomplete path, causing ignition strike failure or erratic flickering loops. Ensure your fixture pans use shunted lampholders prior to completion.

Furthermore, maintenance crews must track a strict thermal constraint: while this ballast strikes standard 32W tubes down to a freezing 0°F (-18°C), the physics changes when operating energy-saving (ES) argon/krypton gas blends ($25\text{W}$, $28\text{W}$, $30\text{W}/\text{ES}$). **Energy-saving lamps require a minimum ambient starting temperature of 60°F (16°C)**. Attempting to spark low-wattage tubes inside unconditioned storage spaces or outdoor canopy fixtures will induce rapid terminal cathode sputtering, continuous arch chattering, and early tube burnout. The parallel lamp circuit design is a significant operational advantage for high-occupancy spaces — if one lamp fails or is removed, the remaining lamp continues to operate independently rather than shutting down the entire fixture. Note that energy-saving (ES) and 28W lamp types cannot be used in remote or tandem wiring configurations with this ballast — direct-wired fixture installations only for those lamp types.

Detailed Product Specifications

• Brand: LEDVANCE (Formerly Universal Lighting Technologies / Triad® Series)
• Product Series Line: High-Performance Electronic Ballasts for T8 Fluorescent Lamps
• LEDVANCE Factory Order Code Reference: 54985
• Manufacturer Complete Model ID Suffix: B232IUNVHP-N000I (B232IUNVHP-N)
• Replaces: B232IUNVHP-B (legacy model)
• UPC Barcode Number (GTIN-12): 768386524330
• Control Component Class: Electronic Instant Start — High-Frequency Operation
• Load Circuit Connection Format: Parallel Lamp Wiring Circuitry
• Nominal Input Voltage Parameter: IntelliVolt 120V - 277V AC Auto-Sensing (Handles 108V–305V Operational Window)
• Line Frequency Capacity: 50 / 60 Hz
• Ballast Factor Rating Constant: 0.88 (Normal Light Output Tuning)
• Total Harmonic Distortion (THD): Less than 10% at standard full load
• Power Factor Metric: Greater than 0.98 (High-Power Factor Performance)
• Sound Insulation Class: Sound Rated A (20–24 Decibels — Optimal for Quiet Offices and Libraries)
• Housing Enclosure Design: Compact Low-Profile NEMA Standard Metal Casing
• Maximum Case Temperature Threshold (Tc): 167°F (75°C)
• Minimum Starting Temperature (Standard Lamps): 0°F (-18°C)
• Minimum Starting Temperature (Energy Saving/F40): 60°F (16°C) for ES / 32°F (0°C) for F40T8
• Pre-Cut Lead Wire Lengths: Black/White 25", Red 48", Blue 31" ($\pm1$" tolerance, 18 AWG copper)
• Chassis Physical Length: 9.50" Inches (241.3mm actual base dimension)
• Chassis Physical Width: 1.31" Inches (33.3mm actual base dimension)
• Chassis Physical Height: 1.00" Inches (25.4mm actual depth dimension)
• Industry Compliance Matrix: UL Listed (Class P, Type 1 Outdoor, Type HL), CUL Certified, RoHS Compliant, FCC Part 18 Non-Consumer

Certified Fluorescent Lamp Load Matrix

This Triad multi-voltage electronic module is certified to drive the following linear and U-bend lamp types — all require 1 or 2 lamps simultaneously:

• Standard 48-Inch T8 Linear Runs: F32T8 (32W standard linear tubes)
• Energy Saver Linear T8 Options: F32T8/WM (32W Watt-Miser), F28T8 (28W), F32T8/25W (25W high-efficacy)
• Compact T8 Linear Scaled Formats: F25T8/ECO (36-Inch 25W), F17T8/ECO (24-Inch 17W)
• Extended 60-Inch Linear Tracks: FO40 (60-Inch 40W standard linear tubes) — 1 Lamp Maximum Only
• Legacy T12 Cross Run Formats: F25T12 linear gas tubes — Requires 2 Lamps Simultaneously
• U-Bend Footprint Formats: Compatible with equivalent U-bend fluorescent T8 lamps

Operation, Safety & Mounting Compliance

High-Frequency Harmonic Separation and Anti-Striation Logic Systems

Operating at electrical arc frequencies well above 40 kHz, this electronic control module entirely separates the fixture from the visible stroboscopic effect and heavy 60Hz humming loop common in outdated magnetic setups. It features integrated anti-striation tracking logic, an absolute requirement when driving modern low-mercury tri-phosphor or energy-saving argon/krypton gas-blend tubes. This stabilization circuit continuously dampens standing wave gas resonance inside the glass envelope to eradicate rolling dim bands or spiraling dark zebra patterns, guaranteeing steady visual comfort across commercial spaces.

Chassis Grounding and High-Pot Circuit Safety Protections

During commercial retrofit maintenance swaps, installers must mount the ballast metal casing completely flush against the fixture steel tray panel using the integrated 8.9" center-to-center mounting holes to establish a low-impedance grounding pathway. Floating ballast grounds inside fluorescent troffers bypass safety circuits and induce localized static noise tracking loops. This module contains zero PCB insulating oils and meets ANSI C62.41 transient spike immunity protections to withstand voltage fluctuations across building networks.

Commercial Equipment Industry Cross-References

This B232IUNVHP-N electronic multi-voltage control block serves as a direct substitute for the following setups:

• Philips Advance Match: ICN-2P32-N / IOPA-2P32-N (Centium or Optanium 2-Lamp Universal Alternatives)
• Sylvania Quicktronic Alternative: QHE 2x32T8/UNV ISN-SC (Order Code 49852 — *High-Performance Standard Match*)
• GE Current Precision Core: GE232MAX-N/ULTRA / Electronic Multi-Voltage High-Efficiency Class

Bulk Commercial Lighting Supply & Project Support

ADL Supply handles volume distribution shipments, multi-pack logistics, and contractor project quotes for procurement teams, schools, and warehouse facilities nationwide.

For specialized contractor pricing tiers, job-site pallet deliveries, or comprehensive submittal documentation, contact our support team directly at 1-800-235-3489. We are your commercial supply partners as an authorized wholesale Lighting Distributor In Doral, Florida.