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Technigraf BTO4030 — UV exposure lamp replacement

Metal-halide (long-arc) lamp for PCB, screen-printing and plate exposure units, 265 mm, gallium-doped (Ga). Also listed as Technigraf 6303312, Theimer TRO 4030 and 13 more part numbers.

Power3,600 W (published figures differ between sources — confirm on the label)
DopingGallium-doped (Ga)
Overall length (mm)265 (US distributor catalogue); 265mm (Alpha-Cure Dainippon RDS M 3.8 KG); 265mm (Alpha-Cure Amba AM335X)
Arc / lighted length (mm)156mm (Alpha-Cure Dainippon RDS M 3.8 KG); 150mm (Alpha-Cure Amba AM335X)
Tube diameter (mm)28mm (Alpha-Cure Dainippon RDS M 3.8 KG); 28mm (Alpha-Cure Amba AM335X)
Base / connectionRoll seal (Alpha-Cure Dainippon RDS M 3.8 KG); Roll seal (Alpha-Cure Amba AM335X)
Doping / spectrumGa (gallium-doped)
Rated life (h)600 (US distributor catalogue typical/warranty)

Need a replacement for the Technigraf BTO4030?

Send the part number, a photo of the old lamp and your exposure unit model. We check length, base, doping and power and quote within 24 hours.

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Part numbers listed for this lamp

The same lamp — same overall length and spectrum — appears under all of these numbers in published replacement-lamp catalogues. Brand names identify the original part only.

BrandPart number(s)
TechnigrafBTO4030 · 6303312
TheimerTRO 4030 · THO 4030
Screen USAV10 4000 M2 · PMG-4002 · P-423 · RDSM 3.8 KG · M 3.8 KG · MG 4000
AmbaAM 335 X · 317545 · AM 991 X
KuehnastJGMH 4021-0
DS AmericaM 3.8 KG
DainipponMG 4000

Equipment this lamp is listed for

Other exposure lamps with the same doping and similar length

Shown for navigation only — a lamp only fits if length, base and doping all match your unit.

Theimer TRO 3030 HJ · 270 mmUshio LB1113 GL-3kW · 270 mmUshio MHL 3002 · 260 mmTheimer TR 3250 H · 273 mmTheimer TR 4110 · 255 mmTheimer TH 5490 · 254 mmUshio MHL-5000/4 · 280 mmTheimer TRHO 5590 · 280 mm

Frequently asked

Which part numbers are listed for the same lamp as the Technigraf BTO4030?

In published replacement-lamp catalogues the same lamp (same overall length and spectrum) is listed under 16 part numbers: Technigraf BTO4030, Technigraf 6303312, Theimer TRO 4030, Screen USA V10 4000 M2, Screen USA PMG-4002, Screen USA P-423, Screen USA RDSM 3.8 KG, Screen USA M 3.8 KG, Screen USA MG 4000, Amba AM 335 X, Amba 317545, Kuehnast JGMH 4021-0, Theimer THO 4030, DS America M 3.8 KG, Dainippon MG 4000, Amba AM 991 X. Confirm the length, base and doping of the lamp in your unit before ordering.

Can you supply a replacement for the Technigraf BTO4030?

Yes — send the part number on your old lamp, a photo of its label and ends, and your exposure unit model. We check overall length, base, doping and power against the original before we quote, and quote within 24 hours.

Why does the doping matter?

The metal added to the mercury fill (iron, gallium or none) sets which UV and violet wavelengths the lamp emits. Your dry film, solder mask, screen emulsion or printing plate is sensitised to particular wavelengths, so the replacement should carry the same doping as the original.

Safety: metal-halide exposure lamps contain mercury and emit strong UV. Never run one outside its housing, wear UV-blocking eye protection when servicing, handle with gloves, and return used lamps for mercury recycling.

Specifications and cross-references compiled from published lamp-maker data (Ushio, Alpha-Cure) and a US replacement-lamp distributor's catalogue. Where sources differ the values are shown side by side. Data is given for identification only — verify against your unit's manual. Lamps supplied by Kilowatt Lamps are compatible replacements and are not made by or affiliated with the brands named.

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