Most high-bay failures are decided long before anyone opens a catalogue — they are decided by the room. A freezer ceiling that sheds frost onto an unsealed driver, a ladle that radiates heat into the wrong mounting plane, a washdown hose pointed straight up at a fixture rated only for splashes: each one kills a different component. This page works backwards from your building. For every environment it names the failure you already recognise, the specification that answers it, and the decision you need to make before you specify a ufo high bay light. Where the answer is unambiguous, one verified fixture carries it — the IP66-rated IRON MAN II, listed for all five of these applications — and where your ceiling calls for a different shape, it points you to the right led high bay lamp family instead.

View the IRON MAN II Contact Us

54,400 lmMaximum output, 340W model

170 lm/WPeak efficacy, 200W model

IP66 · IK08Dust-tight, jet-rated, impact-rated

IRON MAN II,Siam Hiet | Lighting ,IRON MAN II

Module

Cold Storage & Freezer Rooms

Cold storage punishes a luminaire in three distinct ways, and only one of them is about “cold” in the ordinary sense. The first is condensation: every defrost cycle and every door opening pushes warm, moisture-laden air against a surface sitting well below dew point, so water forms inside any housing that is not sealed as a complete assembly. The second is ice bridging: standing water on a lens or in a driver chamber freezes, expands, and over repeated cycles can separate a gasket or crack a lens. The third is thermal shock — a blast-freezer door opening onto a −25 °C ceiling is a sudden, repeated event, and every material joint in the fixture absorbs it.

The practical consequence for a buyer is that “cold-rated” is not a phrase you should accept at face value. You want a written lower operating limit, and you want the protection rating to cover the whole luminaire — lens, gasket and driver chamber — rather than the LED board alone. A fixture that drops out on the defrost cycle is not a maintenance nuisance; above racking in a freezer, it is a project.

1
Keep the lens plane clear of blower discharge paths Air forced directly across a lens accelerates frost build-up and drops delivered light long before the fixture itself fails.
2
Mount out of the coil-adjacent zone The coldest, wettest air sits closest to the evaporator coils. A metre or two of separation is a specification decision, not a preference.
3
Specify the cold-end rating, not the marketing claim Ask for the documented operating range in writing, then check that the protection rating applies to the complete assembly.

Documented lower limit: −40 °C The IRON MAN II operating range runs −40 °C to 70 °C, so the cold end is stated rather than implied.

Sealed as one assembly: IP66 Dust-tight and protected against powerful water jets across the lens, gasket and driver chamber.

Wide distribution: 110° beam Even coverage across freezer aisles and blast cells, mounted by chain or cord suspension.

Choose the wattage on spacing 200W gives 34,000 lm, the 340W model gives 54,400 lm. The gap is a layout decision, not a quality one.

Module

Foundry, Steel & Heavy Fabrication

In a foundry the air temperature is rarely the problem. Radiant heat from a ladle, an arc or a casting line arrives as infrared and heats the housing and driver directly, even when ambient air is comfortably inside a fixture’s published range. Metal dust then settles, becomes conductive, and bridges across terminals and board surfaces. Vibration from charging and casting works the mounting and every internal connector. These are different failure mechanisms, they progress at different speeds, and they call for different specification values — which is why the table below separates them.

Failure axis	Ambient-air failure	Radiant-heat failure
What it attacks first	The driver, through a slow heat soak across the whole housing.	The housing and driver on the single face pointed at the heat source.
How you notice it	Output drifting down and early failures measured in months, not years.	Discolouration and yellowing of lens and housing, then driver failure.
Spec value that answers it	A written ambient operating range — the IRON MAN II is rated −40 °C to 70 °C.	Mounting standoff and orientation away from the source. No IP or lumen figure fixes radiant load.
Second-order risk	Seal hardening after years of heat cycling, letting dust and moisture in.	Localised lens degradation, which cuts output before the fixture fails outright.

1
Stand off from the radiant source Distance and mounting orientation do more work than any single rating. Treat the heat source as a design constraint, not a detail.
2
Mount above the dust-lift zone Keep the housing out of the band where fines are thrown and stirred, and choose a form that can actually be cleaned in place.
3
Clean against the real deposition rate Schedule maintenance from measured dust build-up on your ceiling, not from a fixed calendar.

Module

Food Processing & Washdown Zones

IP65 and IP66 are both two-digit codes, and the second digit is the one people misread. The first digit is about solids: a 6 means dust-tight. The second describes water, and the difference is pressure and volume, not whether the fixture “gets wet”. A washdown hose aimed upward at close range is much closer to the heavier test than to the lighter one — and the crew at 2 a.m. does not stop when the test duration ends.

IP65 — protected against water jets

Dust-tight, and tested against water jetted from a nozzle. It answers splashes, drips, condensation and gentle rinsing where the water is not directed at the fixture under pressure.

IP66 — protected against powerful water jets

The same dust-tight first digit, tested against jets at significantly higher pressure and volume. This is the level that matches an actual washdown routine — and the level the IRON MAN II is rated to.

1
Keep fixtures out of the direct hose path Angle and duration matter more than distance. If a hose is routinely pointed at a fixture, specify for that reality.
2
Treat the chemical question separately from the water question The IP code tests water, not sanitisers. Ask your supplier how the lens and housing materials behave against the specific chemicals your crew uses.
3
Confirm the whole assembly is rated, not just the module A sealed LED board behind an unsealed driver compartment still fails. The rating has to describe the complete luminaire.

Module

High-Ceiling Warehouses & Distribution Centres

Dark aisles at 12 m rarely mean “not enough fixtures”. They usually mean the wrong beam angle, a mounting height that changed after the racking was installed, or a horizontal spacing copied from a different layout. A 110° distribution and up to 54,400 lumens from the 340W model mean the constraint is normally how light is aimed and spaced rather than how much of it is produced.

It is worth doing the arithmetic once, out loud. Take a 20 m × 30 m high-rack field at a 200 lux target: that is roughly 600,000 delivered lumens, or about eleven fixtures at 54,400 lm if every lumen landed where it was needed. Budget 15–20% for optical and maintenance losses and the honest starting number is nearer fourteen. Treat that as the beginning of a layout, not a finished one — aisle geometry and racking height move it in both directions.

1
Design for the ceiling you have Efficacy figures are quoted flat; at 12 m the maintenance factor does more work than the lumens-per-watt number.
2
Ask about the replacement path Above racking, a failed fixture is a project. UL listing, a 5-year warranty and a 50,000-hour L70B50 rating (25 °C) are procurement facts, not marketing copy.
3
Match CCT across the site Pick 4000K or 5000K once and keep it consistent — mixed colour temperature reads as a lighting fault to staff and auditors.

What the count actually needs Room area × target lux = delivered lumens required. Divide by fixture lumens, then subtract optical and maintenance losses.

Two output steps 200W / 34,000 lm for standard aisles and lower racking; 340W / 54,400 lm where mounting heights climb.

Controls, if you want them 0-10V or DALI dimming and a PIR light sensor are both available as options for low-traffic aisles.

Module

Mining & Heavy Plant Interiors

Vibration is what separates a mining or heavy-fabrication plant from a warehouse. Continuous plant movement and the shock of charging, tipping and conveyors work on the mounting interface, the gasket seal and every internal connector, so the specification has to hold through years of movement rather than one clean commissioning photo.

Electrical noise is the other half of the environment. Heavy equipment switching on the same supply produces surge events, and that is why 10KV surge protection is standard on this fixture, with 20KV available as an option for storm-prone or electrically dirty sites. Combine that with IK08 impact protection and IP66 sealing and the fixture stops being the weak point in the ceiling.

1
Let the fixture hang and absorb movement Chain or cord suspended mounting isolates the luminaire from rigid surface vibration far better than a fixed bracket.
2
Specify surge protection against the supply, not the climate If heavy plant shares the feed, evaluate the 20KV option even if the region is not storm-prone.
3
Assume conductive fines will get everywhere Choose a dust-tight housing and plan for cleaning access instead of relying on the environment to stay clean.

Impact: IK08 Mechanical impact protection for housings within reach of plant movement and handling.

Surge: 10KV standard, 20KV optional Documented surge ratings you can put in a schedule instead of a promise.

Operating range: −40 °C to 70 °C One range covering unheated plant, charged-air zones and hot process areas.

Module

Scenario → Specification Decision Matrix

Read this as a checklist for your own schedule. The protection floor and thermal values are the ones to put in writing; the fixture column is where the same verified luminaire answers all five environments.

Environment	Protection floor	Thermal / impact	Surge	Fixture that fits
Cold storage & freezer rooms	IP66 sealed as a whole assembly	Written lower limit at −40 °C; frost cycling at door openings	10KV standard	IRON MAN II — 200W or 340W, wattage confirmed by layout
Foundry, steel & heavy fabrication	IP66 dust-tight, sealed driver chamber	Ambient rated to 70 °C plus physical standoff from radiant sources	10KV, 20KV optional	IRON MAN II
Food processing & washdown	IP66 as the floor, not the upgrade	IK08 impact-rated lens; materials checked against sanitisers	10KV standard	IRON MAN II
High-ceiling warehouse	IP66 where dust or condensation is present	110° beam, chain or cord suspension, correct mounting height	10KV standard	IRON MAN II, or a linear high bay where aisle geometry suits a bar
Mining & heavy plant	IP66 sealed against conductive fines	IK08 impact plus vibration-tolerant suspension	20KV optional	IRON MAN II

IRON MAN II high bay luminaire, product number HBI02

Module 08 — Worked example

IRON MAN II — One Fixture Across All Five Environments

Product number HBI02, IP66 and IK08 rated, with a −40 °C to 70 °C operating range and 10KV surge protection that can be raised to 20KV. It is listed by the manufacturer for cold storage, foundries, heavy manufacturing, washdown areas and mining facilities — which is why this page can route five environments to one documented answer instead of five assumptions.

Model	Wattage	Efficacy	Lumens	Input voltage
LED-FX16HBR200	200W	170 lm/W	34,000 lm	120–277V
LED-FX16HBR340	340W	160 lm/W	54,400 lm	120–277V

Parameter	Value	Parameter	Value
CRI	>80	IP / IK rating	IP66 / IK08
Dimming	0-10V / DALI	Colour temperature	4000K / 5000K
Beam angle	110°	Mounting	Chain / cord suspended
Operating temp	−40 °C ~ 70 °C	Colour	Black
Sensor	PIR light control (optional)	Certification	UL
Warranty	5 years	Lifetime	L70B50: 50,000 hrs @ 25 °C

Module 09 — Engineering response

Send Us the Room, Not Just the Model Number

A specification only becomes useful once it has been checked against your ceiling. Send the room dimensions, mounting height, ambient conditions, sanitation routine and target light level, and you will get a configuration back rather than a catalogue page. Configuration options — colour temperature, dimming, sensor and surge rating — are set at order stage, so tell us your quantity and your build in the same message.

Review the Specification

What to include Room size, mounting height, ambient temperature range, washdown frequency, target lux and quantity.

What comes back A fixture count, a configuration and a surge recommendation matched to the conditions you describe.

Frequently Asked Questions

what information is shown for this product?

review the product details, images, and specifications presented on the official product page.

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use the application and use-case information published on the official product page.

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confirm the specifications and options listed for the exact product variant before placing an order.

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