Do I want a Loadcenter or a Panelboard? That is the question!!

What is it all about?
A "UL" perspective, for non-hazardous areas.
What dose the spcification call for, what is the AIC, and voltage required?
Is selective cordination required by code?
Then you need a panelboard.
Is this a critical circuit for process control or life safety?
Then you should use a panelboard.
Do you need lighting controls with remote control breakers?
Then you need a panelboard.
Loadcenters Panelboards
What You Need to Know and Look For In Specifications
Certifications—Standards—Acceptance

Load centers are under UL 8741.
Panelboards are under UL 50, UL 67 & NEMA PB1.
Loadceners have painted cans & trim.
Panelbaords have an unpainted box and light gray ANSI-61 trim.
Loadcenters have a standard depth of 3.88”.
Panelboards have a standard depth of 5.75”.
Either may have a copper or aluminum bus.
Loadcenters include knockouts.
Panelboards do not come with knockouts.
Loadcenters max at 240VAC.
Panelboards max at 600Vac max and may also be had in DC voltages up to 250VDC.
Loadcenters are offered with a 400A bus max.
Panelboards are offered with a 1200A bus max.
Loadcenters are offered with a max of 125A on subfeed lugs.
Panelboards are offered with a max of 400A on subfeed lugs.
Loadcenters are a stocked product at your distributor.
Panelboards may either be a custom built product from the plant or unassembled kits stocked at your distributor.
Loadcenters have UL listings for 42 circuits max.
Panelboards have UL listings available for panels above 42 circuits.
Loadcenters are available in NEMA ratings: 1, 3R.
Panelboards are available in NEMA ratings: 1,2,3R, 4, 4X, 4X NM and 12
Overcurrent Devices
Loadcenters have a max main circuit breaker of 400A.
Panelboards have a max main circuit breaker of 1200A.
This is not everything, but it covers a lot
Thanks to Sam Terry @ EATON for input on this.

cheers
the electricAlan