3M WX20 projector lamp
The 3M WX20 takes lamp 78-6969-9946-1 / 456-8783, a 190 W lamp rated for 2,000 hours. It is available both as a complete module (bulb fitted in its housing) and as a bare bulb for re-using your existing housing.
The code printed on your old lamp or its housing should match one of the codes listed above. 3M and third-party suppliers sell the same lamp under several numbers.
The model number is on a label on the base or rear of the projector, and in the on-screen menu under Information. Still unsure? Send a photo of the old lamp and we'll confirm the match.
Which lamp does the 3M WX20 take?
The 3M WX20 uses 78-6969-9946-1 / 456-8783, also sold as 456-8783, DT00821, RLC-039, 78-6969-9946-1.
Should I buy the bare bulb or the module?
Both are available. The module is the bulb already fitted in its housing and is the quicker swap. The bare bulb is cheaper and re-uses your existing housing, but you move the bulb across yourself.
How long does the WX20 lamp last?
78-6969-9946-1 is rated for 2,000 hours at 190 W. Actual life depends on the lamp mode you run and how the projector is ventilated.
Does the same lamp fit other 3M projectors?
We don't list another 3M model that shares this lamp.