Models covered: 40-631, 52-631, 66-631.
| Lamp | Also listed as | Length mm | Spectrum | Power |
|---|---|---|---|---|
| Ushio MHL-153LY | Ushio 5000079, Ushio 25430741, M&R 1044030, Cure UV 191132, Theimer TR 6357, M&R MH153 … | 240 | Iron-doped (Fe) | 6 kW |
| Ushio MHL-33LY | Ushio 5000106, BLV 25440741, Theimer TR 5327, M&R LY33, BLV MHL 33 LY, NuArc FP 40 … | 240 | Iron-doped (Fe) | 6 kW (sources differ) |
This unit is listed with more than one lamp. They differ in spectrum (doping): pick the one that matches the lamp fitted now, or the one your film, emulsion or plate maker specifies. If unsure, send us a photo of the old lamp's label.
Send a photo of the old lamp's label and ends and how many you need. We confirm fit and quote within 24 hours.
Published replacement-lamp catalogues list the NuArc 40-631 / 52-631 / 66-631 with: Ushio MHL-153LY (240 mm, iron-doped (Fe)); Ushio MHL-33LY (240 mm, iron-doped (Fe)). Check the part number on the lamp fitted now before ordering.
Yes — send the part number on the old lamp (or a photo of its label and ends) and how many you need. We check length, base and doping against the original and quote within 24 hours.
Lamp-to-equipment pairing as listed in a US replacement-lamp distributor's catalogue. Verify against your unit's manual or the lamp fitted now before ordering. NuArc is named for identification only; Kilowatt Lamps is not affiliated with it.