Primary Catalog
High-Efficiency DC24V & Industrial Tri-Proof Series
Pre-configured standard fixtures and custom DC24V step-down configurations calibrated for commercial cold storage, process vessels, wet bays, and machine centers.
Engineering Whitepaper
The Technical Rationale for DC24V Low-Voltage Tri-Proofing
Industrial electrification is rapidly transitioning toward decentralized low-voltage bus systems. DC24V illumination eliminates internal AC-to-DC driver failure points within luminaire housings, addressing the primary root cause of industrial lighting failure in extreme-temperature environments.
- SELV Safety Compliance: Eliminates catastrophic electrical arc hazard inside conductive steel tanks, bilge locations, chemical inspection platforms, and wet environments.
- Thermal Lifespan Optimization: By deporting AC-DC rectification to central cabinets, operating temperatures within the optical enclosure drop by 18°C to 24°C, vastly extending phosphor life.
- Direct Renewable Integration: Seamlessly hooks into off-grid photovoltaic arrays, battery-backup microgrids, and mobile power stations without inverter inversion losses.
- Flicker-Free Optical Precision: Pure constant-current direct current ensures zero stroboscopic ripple (SVM < 0.04), vital for high-speed automated machine vision and rotating tooling safety.
12+
Years Luminaire Manufacturing
2000m²
Production Plant Yueqing
30+
Technical Engineers & Crew
5
Testing Instruments & Hi-Pot
1
In-House IES Photometric Room
100%
Aging Burn-In Protocol
Global Deployments
Macro-Sector Industrial Solutions
Engineered to satisfy stringent compliance demands across international procurement operations.
Automated Machinery & CNC
Vibration-resistant, oil-impervious DC24V linear lights built for machine-tool enclosures. Eliminates coolants penetrating gasket seals and prevents electromagnetic interference with high-precision servo controls.
Cold Chain & Food Processing
IP69K washdown-ready PMMA and PC seamless extrusions resistant to high-pressure hot chemical sanitation. No internal electrolysis corrosion when operating under continuous -40°C condensation cycles.
Renewable Energy & Marine Grids
Direct low-voltage DC bus coupling for solar battery vaults, remote telecommunication shelters, marine battery compartments, and offshore auxiliary facilities requiring Class 2 SELV shock protection.
Technology Roadmap
Engineering Horizons: Next-Gen Low-Voltage Tri-Proofing
Continuous R&D investments at our Yueqing production base ensuring long-term technological competitiveness.
Phase I: Active
Integrated Constant-Current Regulators
Two-stage step-down DC architecture compensating for long-distance line voltage drop (down to 18VDC) with zero lumen degradation.
Phase II: In Rollout
Smart DALI-2 & Low-Voltage PWM
Native digital addressable dimming and integrated microwave sensor nodes running entirely on DC bus signaling without discrete auxiliary power.
Phase III: Engineering
Nano-Coating Chemical Barriers
Plasma-applied surface anti-adhesion coatings safeguarding against sulfuric atmospheric corrosion and chlorine gas exposure in treatment works.
Phase IV: Emerging
Integrated LiFePO4 Solid-State Cells
Compact, intrinsically safe distributed emergency backup units directly onboard DC24V battens capable of 180-minute runtime at sub-zero temperatures.
Commercial Framework
Indicative OEM/ODM Pricelist & Spec Matrix
Flexible supply options including fully assembled units and CKD/SKD component kits for localized assembly.
| Model Series | Input Voltage | Power Rating | Luminous Flux | IP / IK Protection | Indicative FOB Range (USD) |
|---|---|---|---|---|---|
| SCD-TP-24V-06 | DC 24V (18–30V Range) | 18W – 24W | 130–150 lm/W | IP66 / IK08 | $14.50 – $18.20 |
| SCD-TP-24V-12 | DC 24V (Constant Current) | 36W – 48W | 140–160 lm/W | IP66 / IK08 | $22.80 – $28.50 |
| SCD-TP-24V-15 | DC 24V (SELV Rated) | 50W – 65W | 140–155 lm/W | IP66 / IK10 | $31.00 – $38.00 |
| SCD-EX-24V-RD | DC 24V / AC85-265V Dual | 20W – 50W | 120–135 lm/W | Zone 1/2 Ex d IIC | $45.00 – $68.00 |
| SCD-SKD-KIT-XX | DC Core / Semi-Knocked-Down | Custom Specified | Module Dependent | Housing & Heat Sink Set | Inquire for Quotation |
*Volume tier discounts available. Prices reflect volume FOB Ningbo/Shanghai terms. Full IES photometric files and LM-80 reports supplied with quotations.
Supply Chain Integrity
Localized Support & Compliance Assurance
Every shipment is supported by rigorous batch traceability, documentation packets, and third-party validation.
Zhejiang Supply Hub
Situated in Beibaixiang Town, Yueqing — China's electrical capital. Integrated supply networks ensure rapid tool fabrication and raw material reliability.
In-House Darkroom
Full goniophotometer measurement system producing verified .IES and .LDT files for Dialux simulations on your project designs.
Hi-Pot & Aging Tests
100% of manufactured luminaires undergo 4-hour dynamic burn-in and high-potential withstand testing before packaging and shipping.
Global SKD Assembly
Comprehensive knocked-down kits engineered to assist overseas assembly partners cut import tariffs and comply with local production quotas.
Ecosystem
Trusted by Global EPCs, Wholesalers & Integrators
Our components, housings, and turnkey fittings empower harsh-environment installations worldwide.
ISO 9001 VERIFIED
Engineering Inquiries
Frequently Asked Questions
Comprehensive answers regarding DC24V engineering, custom tooling, explosion-proof requirements, and logistics.
What is the key advantage of installing DC24V Tri-Proof Lights over conventional AC models?
DC24V tri-proof fixtures operate under Safety Extra-Low Voltage (SELV) principles, minimizing shock hazards in damp, wet, or confined metal spaces (such as ship holds, chemical tanks, and food washdown rooms). Removing the internal AC-DC electrolytic driver extends total lifespan, mitigates thermal degradation, and allows direct coupling with 24V battery systems or solar microgrids.
How does Scoden counteract voltage drop over long runs in low-voltage DC24V lines?
Our DC24V light engines feature onboard wide-input constant-current linear regulators (operating reliably between 18V and 30V DC). This architecture ensures uniform lumen output across the entire fixture string, even when line impedance drops voltage toward the tail end of the run.
What is the difference between an LED tri-proof light and an LED explosion-proof light?
A tri-proof light provides heavy-duty environmental sealing against water, dust, and corrosive vapors (typically IP65 to IP69K) for washdown bays, cold stores, and warehouses. An explosion-proof fixture is specifically engineered, flame-path machined, and certified under ATEX/IECEx standards to contain any internal spark or explosion, preventing ignition of external volatile gases or combustible dusts.
Does your Yueqing factory provide OEM, ODM, and SKD kits?
Yes. We offer turnkey OEM branding, custom tooling/extrusions for private molds, and SKD (Semi-Knocked Down) or CKD (Completely Knocked Down) packages with assembly instruction manuals, allowing global distributors to assemble fixtures locally to reduce shipping cubage and customs tariffs.
What technical documentation and batch verification data are provided?
Every shipment includes complete datasheets, Dialux-ready .IES and .LDT photometric files from our darkroom, CE/RoHS/ISO9001 compliance certificates, and batch hi-pot and burn-in aging quality logs.
Specialized Line
Hazardous Area & Modular Heavy-Duty Series
Robust fixtures built with die-cast marine aluminum, anti-corrosion powders, and modular high-lumen optical lenses.
