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In an IP code the first digit covers solid objects and the second water. IP65 is not weaker than IP67, it is tested against jets rather than immersion.

Browse workplace lights

Interior lights C25-R

Interior lights

The Glamox C25-R are LED recessed luminaires available in three ceiling grid formats: 300 x 1,200 mm, 600 x 600 mm, and 625 x 625 mm. The six-variant range offers lumen outputs of 3,700 lm and 4,000 lm in colour temperature 830, controlled via DALI or HF ballast, with micro-prismatic (MP) diffuser. The C25-R serves as a compact entry-level model for office and administrative buildings with standard suspended grid ceilings.

💡 3,700 lm and 4,000 lm - two lumen packages suited to different grid formats
⚙ DALI and HF operation - DALI for building automation, HF for straightforward standalone installation
✓ Colour temperature 830 (3,000 K) - warm white for offices and reception areas
⬡ Three grid formats - 300 x 1,200 mm, 600 x 600 mm, and 625 x 625 mm for different ceiling systems
📦 MP diffuser - micro-prismatic for UGR control at VDU workstations

FeatureOptions
Luminous flux3,700 lm, 4,000 lm
Colour temperature (CCT)830 (3,000 K)
ControlDALI, HF
DiffuserMP (micro-prismatic)
Formats300 x 1,200 mm, 600 x 600 mm, 625 x 625 mm

The 300 x 1,200 mm format suits linear ceiling systems; the 600 and 625 mm square formats fit conventional modular tile ceilings. DALI variants are preferred for new installations with building management systems.

Typical applications: Offices and administrative spaces with standard ceiling grids in various formats, fluorescent luminaire replacement projects, reception and service areas requiring warm white light, and smaller workrooms or private offices.

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What are Glamox C25-R recessed luminaires and what industrial applications require this type of ceiling lighting?
Glamox C25-R recessed luminaires are LED ceiling fixtures specifically engineered for flush-mounted installation in suspended ceiling systems, delivering uniform illumination across industrial workspaces. These luminaires are primarily deployed in ESD-protected assembly areas, electronics manufacturing cleanrooms, precision machining facilities, and quality control laboratories where consistent light distribution is critical for detailed visual tasks. The C25-R series provides glare-free lighting essential for semiconductor fabrication, PCB assembly operations, and optical inspection stations where operators require sustained visual acuity without eye strain.
What are the key technical selection criteria when specifying Glamox C25-R LED luminaires for industrial installations?
Critical selection parameters for Glamox C25-R luminaires include luminous flux output ranging from 3700 to 4000 lumens, correlated color temperature options of 3000K or 4000K, and control system compatibility with either high-frequency (HF) ballasts or DALI digital dimming protocols. Standard ceiling tile dimensions of 300x1200mm, 600x600mm, and 625x625mm ensure compatibility with existing suspended ceiling grids. The 830 and 840 color rendering index variants provide optimal visual comfort for precision work environments, while the MP microprismatic diffuser reduces glare and eliminates direct LED visibility for extended operator comfort.
Which international standards and certifications apply to Glamox C25-R recessed luminaires for industrial workplace lighting?
Glamox C25-R luminaires comply with EN 12464-1 workplace lighting standards specifying minimum illuminance levels and uniformity ratios for industrial tasks, while meeting IEC 60598 safety requirements for fixed luminaires in commercial installations. The LED modules conform to IEC 62717 photobiological safety standards preventing retinal hazard exposure during normal operation. Installation must follow EN 60204-1 electrical safety guidelines for industrial machinery environments, with luminaire placement calculations adhering to DIN 5035 illumination engineering principles to achieve required lux levels and avoid shadows on critical work surfaces.
How do the different Glamox C25-R variants differ in terms of dimensions, light output, and control options?
The C25-R series offers three primary dimensional configurations with the 300x1200mm variant delivering 4000 lumens for linear lighting applications, while the compact 600x600mm and 625x625mm square formats provide 3700-4000 lumens optimized for standard ceiling tile replacement. Control system differentiation includes HF high-frequency variants for simple on-off switching applications versus DALI-equipped models enabling individual luminaire dimming, daylight harvesting, and integration with building management systems. Color temperature options span 3000K warm white for general areas and 4000K neutral white specifically engineered for precision assembly and inspection tasks requiring accurate color discrimination.
What are the installation requirements and system compatibility considerations for Glamox C25-R recessed luminaires?
Glamox C25-R luminaires require suspended ceiling systems with minimum 200mm plenum depth to accommodate driver housing and thermal management, with structural ceiling loading calculated for distributed luminaire weight across T-bar grid systems. Electrical connection utilizes standard 3-wire mains supply at 220-240V AC 50Hz, while DALI variants require additional low-voltage control bus wiring conforming to IEC 62386 digital addressable lighting interface protocols. Installation must maintain minimum 50mm clearance from combustible materials and ensure adequate air circulation around driver compartments to prevent thermal derating of LED performance over the luminaire service life.
What are the safety ratings, IP protection class, and operating environment specifications for Glamox C25-R luminaires?
Glamox C25-R recessed luminaires achieve IP20 ingress protection suitable for indoor environments with protection against solid objects larger than 12.5mm but requiring additional environmental sealing in dusty industrial applications. Operating temperature range spans -10°C to +40°C ambient conditions with automatic thermal protection preventing LED junction temperatures exceeding 85°C during continuous operation. The luminaire housing incorporates Class I electrical safety construction requiring protective earth connection, while the LED driver modules feature overvoltage protection and power factor correction exceeding 0.9 for compliance with power quality regulations in industrial electrical systems.
What maintenance schedule and service life expectations apply to Glamox C25-R LED recessed luminaires in industrial environments?
Glamox C25-R LED luminaires provide 50,000-hour rated service life at L80 lumen maintenance, equivalent to approximately 11 years of continuous operation before luminous output degrades to 80% of initial values. Routine maintenance requires semi-annual cleaning of microprismatic diffuser surfaces using non-abrasive cleaning agents to maintain optimal light transmission and prevent dust accumulation affecting thermal performance. Annual inspection should verify electrical connection integrity, driver temperature operation within normal parameters, and DALI communication functionality where applicable, with professional photometric testing recommended every 5 years to document maintained illuminance levels for workplace lighting compliance verification.