The Definition of Calibre. Full-Length Power, Slimline Precision.
The STEDI™ ST3K 51.5” Slim LED Light Bar is the embodiment of efficient design and exceptional performance. With a total height of just 63 mm (including side brackets), it delivers serious illumination while preserving your vehicle’s OEM styling. Whether mounted to a grille, bar, or roof rack, the ST3K 51.5” brings unmatched light volume to spaces other bars can’t go.
Built on Pure Drive™ technology, shared with our acclaimed Type-X™ and ST4K™ ranges, this bar pushes light a staggering 778 m @ 1 Lux, with flawless flood distribution across the road shoulders. Compact, refined, and brutally bright — the 51.5” ST3K Slim is the complete lighting solution for drivers who demand perfection.
🔑 Key Features
✅ Pure Drive™ Efficiency: 97% of input power converted directly to light, reducing waste and heat.
💡 Balanced Beam Output: 10 flood + 30 spot + 10 flood reflectors deliver wide coverage and powerful distance.
🌌 True White 5700K Output: Crisp daylight illumination enhances depth perception and reduces fatigue.
💧 IP68 Certified: Submersible up to 3 m — fully waterproof, dustproof, and adventure-ready.
⚙️ Rugged Construction: Die-cast aluminium housing and GE™ Lexan lens for extreme impact resistance.
🔩 UV & Abrasion Resistant: 100% polyester powder coat ensures lasting durability and finish.
📡 Noise-Free Operation: EMI/RFI-suppressed circuitry guarantees no radio or GPS interference.
🔌 Plug & Play Harness Included: ADR-compliant Smart Harness with H4 & HB3 adaptors.
🧱 Low-Profile Design: 51 mm body height (63 mm with brackets) for tight mounting positions.
💪 STEDI™ Reliability: Backed by a 5-Year Replacement Warranty and built for the harshest environments.
⚙️ Technical Specifications
| Specification |
Details |
| LED Type |
50 × OSRAM® OSLON® White |
| Effective Lumens |
10,250 lm |
| Peak Intensity (Candela) |
608,000 cd |
| Beam Pattern |
Flood / Spot Combo |
| Operating Voltage |
10 – 30 V DC |
| Current Draw |
11.2 A @ 13.6 V |
| Colour Temperature (CCT) |
5700 K |
| IP Rating |
IP68 (Submersible up to 3 m) |
| Lens Material |
GE™ Lexan Optical-Grade Polycarbonate |
| Housing Material |
Aluminium Extrusion & Cast Alloy |
| Mounting Bracket |
3 mm Stainless Steel (Powder-Coated) |
| Bolts & Fittings |
3 Series Stainless Steel |
| Operating Temperature |
–40 °C to +50 °C |
| Weight |
4.25 kg |
| Lifespan |
50,000 Hours |
| Beam Distance |
1 Lux @ 778 m |
| Lumen Maintenance |
LM-80 Certified |
📦 What’s Included
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1 × STEDI™ ST3K 51.5” LED Light Bar (50 LED)
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2 × Stainless Steel Side Mounting Brackets
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Stainless Fasteners
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12V Quick-Fit Plug & Play High Beam Wiring Harness
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H4 & HB3 Adaptor Plugs
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Relay, Fuse & On/Off Switch
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Wiring Instructions
