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Olec L 1252 — UV exposure lamp replacement

Metal-halide (long-arc) lamp for PCB, screen-printing and plate exposure units, 190 mm. Also listed as Worldwide LET.005.0059, Interlight WW-3RB3-7 and 11 more part numbers.

Power2,000 W (published figures differ between sources — confirm on the label)
Overall length (mm)190 (US distributor catalogue); 189mm MOL (Ushio); 189mm (Alpha-Cure Heraeus Q2231Z11)
Arc / lighted length (mm)102mm lighted length (Ushio); 101mm (Alpha-Cure Heraeus Q2231Z11)
Tube diameter (mm)28mm (Ushio); 28mm (Alpha-Cure Heraeus Q2231Z11)
Base / connectionCeramic base, Spade Tongue contact (Ushio); Pinch seal (Alpha-Cure Heraeus Q2231Z11)
Doping / spectrumUS distributor catalogue spectrum code 'Green' (dopant not stated); Ushio: 300-450nm Multi-Spectrum
Rated life (h)600 (US distributor catalogue typical/warranty); 500 average (Ushio)

Need a replacement for the Olec L 1252?

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)
OlecL 1252
WorldwideLET.005.0059
InterlightWW-3RB3-7
Bulbtronics0012090 · OCL1252
BLV25640941
Ushio5000788 · MHL-252L
AGI80SC705164
TheimerTR 5162 · TH 5162
FabconL-1252
BluetecALG-TTF
HeraeusQ 2231 Z11

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.

Olec L1261 · 190 mmOlec L 1250 · 190 mmOlec AL 83 · 248 mmOlec L1282 · 248 mmOlec L1281 · 248 mm

Frequently asked

Which part numbers are listed for the same lamp as the Olec L 1252?

In published replacement-lamp catalogues the same lamp (same overall length and spectrum) is listed under 14 part numbers: Olec L 1252, Worldwide LET.005.0059, Interlight WW-3RB3-7, Bulbtronics 0012090, Bulbtronics OCL1252, BLV 25640941, Ushio 5000788, Ushio MHL-252L, AGI 80SC705164, Theimer TR 5162, Fabcon L-1252, Bluetec ALG-TTF, Heraeus Q 2231 Z11, Theimer TH 5162. Confirm the length, base and doping of the lamp in your unit before ordering.

Can you supply a replacement for the Olec L 1252?

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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