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New old stock / unused 400W electronic ballast.
Model: HLB-400SW-120-240V
Input: 120-240VAC, 50/60Hz
Rated lamp: 400W Metal Halide (MH)
Required lamp voltage: 90-135V
Power factor: >0.99
THD: <10%
Unit is new/unused. Wiring leads are unterminated as shown in photos. Please verify compatibility with your lighting fixture and lamp before purchasing.

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