Moulded-case circuit breakers
MCCBs for distribution and motor feeders, with thermal-magnetic or electronic trip units.
Moulded-case circuit breakers: brands we source
All manufacturers ›Choose a maker to open a quote with it filled in. Current, surplus and discontinued references. Sourcing is not limited to these brands.
Overview
MCCBs for distribution and motor feeders, with thermal-magnetic or electronic trip units.
Part of our breakers & trip units range: air and moulded-case circuit breakers, trip units and breaker accessories, including spares for switchgear long out of production.
Each line is quoted with its condition, lead time and warranty terms. Where an exact match is no longer available we put forward the maker’s successor for your approval. Availability, condition and lead time confirmed on enquiry.
Families we are asked for
- ABB Emax and Tmax
- Schneider Masterpact and Compact NSX
- Siemens SENTRON 3WL and 3VA
- Square D and Merlin Gerin
- Eaton and Moeller NZM
Supply condition
New factory sealed
Unopened in the manufacturer's original packaging, with the factory seal intact.
New factory opened
Manufacturer packaging that has been opened, typically for inspection or to verify a revision, but the unit is unused.
New surplus sealed
Unused stock that has passed through the supply chain rather than direct from the maker, still sealed in its original packaging.
New surplus open
Unused surplus stock in original packaging that has been opened.
New without box
Unused, but supplied without the manufacturer's packaging.
More in breakers & trip units
View breakers & trip units ›Air circuit breakers
Draw-out and fixed air circuit breakers for main switchboards and incomers, plus cradles and spares.
ViewElectronic trip units
Protection trip units and rating plugs for air and moulded-case breakers, often obsolete before the breaker itself.
ViewShunt trips, undervoltage releases and motor operators
Breaker accessories: shunt trips, UV releases, auxiliary contacts, motor operators and closing coils.
ViewMiniature circuit breakers
MCBs and RCBOs for control panels and final distribution.
View
Browse everything in electrical & protection.