The A2N225TT is an ABB SACE Formula A2 molded case circuit breaker rated for 225A at 240V with 3 poles, designed to protect feeders and branch circuits in panelboards and commercial and industrial power distribution. With an interrupting rating of 10kA@240V, it can safely interrupt the fault currents found on 240 volt systems. The “N” in the part number marks the normal interrupting version of the Formula A2 frame, which is built for ratings from 125 to 250 amps.
The A2N225TT uses a fixed thermal-magnetic trip unit, which provides overload protection with a thermal element and short-circuit protection with a magnetic element, so the breaker responds both to sustained overloads and to sudden faults. It is a fixed-mount breaker with front terminals and a single 2.36 inch depth, and it is listed to UL and CSA standards. It can also be used on 250 volt DC circuits, and it accepts accessories such as shunt trips, auxiliary switches, undervoltage releases, rotary handles, and padlock attachments.
Because ABB builds the Formula line in several interrupting levels, amp ratings, and terminal versions, it is worth confirming the full part number, suffix, and lugs against your panel before ordering. This makes the A2N225TT a practical choice for electricians, contractors, and maintenance teams who need to replace or add a 225 amp Formula A2 breaker in a panelboard and keep the system protected.
Purchase the A2N225TT at Electrical.com, your reliable partner for industrial and commercial electrical products. Our selection includes trusted circuit breakers, panelboard components, and electrical products from manufacturers like ABB, Siemens, Eaton, Square D, and General Electric, backed by a knowledgeable sales team ready to assist with technical questions, product selection, and support.