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Olec L 1250 — UV exposure lamp replacement

Metal-halide (long-arc) lamp for PCB, screen-printing and plate exposure units, 190 mm. Also listed as Heraeus 56069639, Cure UV 191137 and 16 more part numbers.

Power5,000 W
Overall length (mm)190 (US distributor catalogue); 189mm MOL (Ushio); 189mm (Alpha-Cure Theimer TH5160); 189mm (Alpha-Cure Heraeus Q2231Z11)
Arc / lighted length (mm)102mm lighted length (Ushio); 101mm (Alpha-Cure Theimer TH5160); 101mm (Alpha-Cure Heraeus Q2231Z11)
Tube diameter (mm)28mm (Ushio); 28mm (Alpha-Cure Theimer TH5160); 28mm (Alpha-Cure Heraeus Q2231Z11)
Base / connectionCeramic base, Spade Tongue contact (Ushio); Pinch seal (Alpha-Cure Theimer TH5160); Pinch seal (Alpha-Cure Heraeus Q2231Z11)
Doping / spectrumUS distributor catalogue spectrum code 'Blue' (dopant not stated); Ushio: 400-450nm Diazo
Rated life (h)600 (US distributor catalogue typical/warranty); 500 average (Ushio)

Need a replacement for the Olec L 1250?

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 1250
Heraeus56069639 · Q 2231 Z11 · 45006064 · Q 2230 Z11
Cure UV191137
UV Process SupplyUVPSRL1250
TheimerTH 5160 · TR 5160
Alpha CureACP-4650
FabconL 1250
SylvaniaM0 30.1
Bacher9602-573
AmbaAM 1650 X
Ushio25250941 · 5000082 · MHL-170L
Agfa1427-L1250
Pitman1427-L1250

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 1252 · 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 1250?

In published replacement-lamp catalogues the same lamp (same overall length and spectrum) is listed under 19 part numbers: Olec L 1250, Heraeus 56069639, Cure UV 191137, UV Process Supply UVPSRL1250, Theimer TH 5160, Theimer TR 5160, Heraeus Q 2231 Z11, Heraeus 45006064, Alpha Cure ACP-4650, Fabcon L 1250, Sylvania M0 30.1, Heraeus Q 2230 Z11, Bacher 9602-573, Amba AM 1650 X, Ushio 25250941, Ushio 5000082, Ushio MHL-170L, Agfa 1427-L1250, Pitman 1427-L1250. Confirm the length, base and doping of the lamp in your unit before ordering.

Can you supply a replacement for the Olec L 1250?

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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