Philips 13528 15W-GZ4 6V

The Philips 13528 Focusline 15W 6V MR11 Halogen Lamp is a high-precision, low-voltage optical reflector bulb engineered strictly for technical, laboratory, and medical OEM instruments. Delivering a highly concentrated, distortion-free light beam through an integrated multifaceted mirror reflector, this 15-watt capsule source operates on specialized 6-volt control circuits to output a crisp 2900K warm white color profile. Built with premium quartz glass construction and a specialized smooth GZ4 2-pin ceramic base, it provides a flawless 100 CRI rating optimized for intense optical magnification.

ADL Supply Expert Application & Replacement Guide

The Philips 13528 Focusline MR11 bulb is a highly specialized genuine OEM replacement lamp manufactured specifically for clinical, diagnostic, and optical medical hardware. It is extensively utilized within professional endoscopy light sources, dental curing units, examination projectors, and laboratory microscopes where shadow-free, high-intensity spot lighting is required.

Critical Base Note for Equipment Managers: This lamp features an absolute GZ4 square ceramic base configuration with 4mm pin spacing. Unlike commercial GU4 landscape pins that incorporate side indentation channels, the GZ4 profile features smooth, straight terminal pillars designed to slip cleanly into precision slide-in medical block sockets. Always verify that your equipment's power transformer supplies a regulated 6-volt current loop. Operating this high-precision capsule even slightly above 6V will rapidly accelerate filament degradation and trigger premature burnout.

Detailed Product Specifications

• Brand: Philips Lighting
• Product Series Line: Focusline Micro-Alume Series
• Philips Ordering Code / SKU: 13528
• Alternative Supplier Code: PLB1352807
• Lamp Technology: Quartz Low-Voltage Halogen Capsule
• Operational Wattage: 15W
• Input Operating Voltage: 6V DC or AC
• Color Temperature Configuration: 2900K (Warm White Optical Spectrum)
• Color Rendering Index (CRI): 100 (Maximum Spectral Accuracy)
• Reflector Technology: Silvered Glass Mirror Reflector
• Base Configuration: GZ4 2-Pin (Smooth Ceramic Medical Base)
• Nominal Diameter Class: MR11 (1.375 Inches / 35mm)
• Maximum Overall Length (MOL): 1.375 Inches (35mm)
• Rated Average Lifespan: 100 Hours (Typical B50 Industry Scale)
• Burn / Operating Position: Universal (Supports Any Angle Mounting)

Operation, Safety & Mounting Compliance

Voltage Control Boundaries

This optical lamp functions strictly on low-voltage 6-volt lines. Direct connection to standard 120V grid voltage lines will cause instantaneous catastrophic filament destruction and presents an immediate containment failure and shock risk. Ensure that instrument power supplies maintain tight electronic voltage regulation to maximize filament duty cycles.

Quartz Glass Handling Guidelines

Never handle the inner quartz glass shell or the internal silvered reflector surfaces with bare fingers. The natural oils and moisture from human skin leave microscopic alkaline residues on the quartz surface. During active illumination cycles, these residues create localized hotspots that cause structural glass devitrification, thermal stress fractures, and early lamp envelope blowout. Always utilize clean cotton gloves or a lint-free cloth wrapper during replacement procedures. If accidental skin contact occurs, thoroughly clean the lens surface with rubbing alcohol before energizing the circuit.

Bulk Commercial Lighting Supply & Project Support

ADL Supply delivers specialized clinical components, multi-pack wholesale accounts, and bulk project logistics to medical networks, laboratory buyers, and electrical contractors nationwide.

For professional trade discount volumes, corporate procurement lines, or manufacturer engineering submittals, call our support managers directly at 1-800-235-3489. We are your commercial supply partners as a trusted wholesale Lighting Distributor In Doral, Florida.