Ushio 1000416 JR12V-50W/SP12

The Ushio Eurostar 1000416 JR12V-50W/SP12 Lamp is a professional-grade, low-voltage tungsten halogen reflector capsule engineered for precision architectural accenting, high-ceiling downlighting, and commercial retail displays. Operating at 50 watts on a 12V low-voltage current line, this high-performance MR16 spotlight projects a tightly focused 12° tight spot beam spread to deliver intensive center beam candlepower. Outfitted with an industry-standard GU5.3 bi-pin base and a premium titanium oxide coated reflector shell, it incorporates an unshielded open-face design and an integrated UV-cut burner capsule to ensure a flawless 100 CRI color profile over an extended 5,000-hour rated average life.

ADL Supply Expert Application & Replacement Guide

The Ushio Eurostar JR12V-50W/SP12 is a commercial facility standard specified for dramatic pinpoint gallery illumination, high-ceiling downlight trims, retail display showcases, museum exhibition galleries, and low-voltage outdoor landscape pathway features. Precision manufactured in Germany, this lamp employs a premium multi-layer titanium oxide dichroic coating across its reflector shell. This advanced engineering ensures that light output color rendering remains perfectly stable throughout the bulb's lifetime—reflecting crisp, brilliant visible light forward while allowing harmful ultraviolet and infrared heat emissions to dissipate back through the open-ended rear casing tracks to protect heat-sensitive merchandise.

Critical Transformer Circuit Input Warning for Field Installers: This bulb runs on a dedicated **12-volt low-voltage input circuit and is outfitted with standard GU5.3 straight bi-pins**. It is completely incompatible with 120V line-voltage track systems unless driven by an electronic or magnetic step-down transformer intermediary. Attempting to force or direct-wire this lamp onto raw line voltage will trigger instant tungsten filament destruction and introduce an immediate short-circuit hazard. Its premium axial filament layout offers enhanced mechanical resistance against systemic track vibrations, supporting smooth universal burning positions at any direction or pitch angle.

Detailed Product Specifications

• Brand: Ushio America (Germany Manufacturing Quality)
• Product Series Line: Eurostar Dichroic Reflector Platform
• Ushio Catalog Reference Part SKU: 1000416 (Alternative Part Code: USB1000416)
• Industry Ordering Nomenclature: JR12V-50W/SP12
• Official Trade Industry ANSI Code: EXT Certified
• Core Technology Class: Low-Voltage Tungsten-Halogen
• Operational Wattage: 50 Watts
• Nominal System Input Voltage: 12 Volts AC/DC (Requires external step-down transformer)
• Beam Spread Profile: 12° Precision Spot (SP)
• Color Temperature Configuration: 3000K Warm White
• Color Rendering Index (CRI): 100 Ra (Absolute Spectral Distribution Fidelity)
• Reflector Facet Shell: Multi-Layer Titanium Oxide Coated Dichroic Reflector
• Base Configuration: GU5.3 (2-Pin Straight Round Base)
• Enclosure Envelope Face: Open Design (Unshielded Open-Face Casing / No Front Glass)
• Ultraviolet Protection Screening: Integrated UV-Cut Quartz Capsule Screening
• Maximum Overall Length (MOL): 1.78" Inches (45.2mm actual)
• Bulb Reflector Diameter (DIA): 2.00" Inches Nominal MR16 (50.8mm actual)
• Rated Average Lifespan: 5,000 Hours
• Operating Burn Position: Universal — Any Orientation Allowed

Operation, Safety & Mounting Compliance

High-Temperature Thermal Boundaries and Handling Care

Because high-output low-voltage halogen capsules reach intense internal operating temperatures, always isolate step-down primary transformer feeds and permit a minimum 15-minute cool-down intermission before handling. Never touch the internal clear glass capsule or the reflective dichroic shell with bare skin. Human fingers deposit microscopic body oils that bond to the quartz during rapid heating cycles, generating intense localized hot spots that trigger premature devitrification, micro-fracturing, and accelerated envelope rupture. Clean meticulously with isopropyl alcohol if accidental baseline skin tracking takes place.

Material Protection via FadeBlock™ Integrated UV Shielding

This Ushio module features an advanced UV-cut quartz tube wrapper engineered to filter out shortwave ultraviolet emissions. This critical screening prevents early bleaching, discoloration, and material deterioration down delicate museum art canvas grids, jewelry display cabinets, or high-end fabric store apparel rows, making it fully approved for continuous commercial project runs.

Commercial Ballast Industry Cross-References

• Sylvania Quicktronic: 50MR16/T/SP10 (Order Code 58303 / EXT Alternative)
• Philips Lighting: 50MR16/SP10 / Accentline Series
• GE Lighting: Q50MR16/C/SP10 / Precise ConstantColor Series

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.