B-Line Eaton Series G electronic

Yes. The JGC325036G is rated to 600 Vac, so 240, 480 and 600 volt three-phase systems are all within its rating. Interrupting capacity changes with the system voltage: 200 kAIC at 240 Vac, 100 kAIC at 480 Vac, and 35 kAIC at 600 Vac. Match the available fault current at your point of installation against the figure for your system voltage, not the headline 200 kAIC number.

It ships as a complete breaker, with both line and load terminals included. The three-pole JG-frame body and the electronic trip unit come together, so nothing further is needed to make the breaker itself functional. Mounting hardware on this unit is metric, which matters if you are salvaging hardware from an older imperial-hardware installation.

It is a JG-frame, JG-type, three-pole Series G breaker rated 250A at 600 Vac. If the unit you are replacing is the same JG frame, pole count and ampere rating, the frame matches. What differs on this one is the trip unit: it is electronic LSIG, not thermal-magnetic, so if the original was thermal-magnetic you will be adding adjustable long-time, short-time, instantaneous and ground fault settings that need to be dialed in to your coordination study before energizing.

LSIG means the trip unit has long-time, short-time, instantaneous and ground fault functions, each adjustable, rather than the fixed thermal element and magnetic trip of a conventional molded case breaker. That is what lets you coordinate selectively with upstream and downstream devices on a distribution system and get equipment ground fault protection built into the breaker instead of a separate relay. If you don't need coordination or ground fault sensing, a thermal-magnetic JG breaker is the simpler specification.

The breaker measures 9.25 inches long by 5 inches wide by 5 inches high and weighs 12 pounds. Allow for that depth and the weight when planning a retrofit into an existing enclosure or a panel interior, and note the mounting hardware is metric.

On a 240 Vac service it will handle a lot, 200 kAIC, which covers most high fault current downtown services without needing a current-limiting device ahead of it. At 480 Vac that drops to 100 kAIC and at 600 Vac to 35 kAIC. On a 600 volt system with a large transformer close by, run the fault current study first, as 35 kAIC is the constraint there.

Yes, it carries a 50-60 Hz frequency rating, so it works on both 60 Hz North American and 50 Hz systems. The metric mounting hardware also suits international panel builds.

Order by manufacturer part number JGC325036G. That number defines the JG frame, three poles, the 250 amp rating and the electronic LSIG trip unit, so it is the identifier to put on the purchase order or the submittal rather than the frame designation alone.