MCCB circuit breaker
16–1,600 A common, frames to 2,500 A; 240–690 Vac and up to 1,000/1,500 Vdc; up to 150 kA
Distributor/stock for LV; OEM/RFQ for MV/HV; substantial replacement and surplus market
Source this product family →Catalogue research, not a live stock claim. Rating, compliance, availability and commercial terms are confirmed with the responding supplier.
One family. Three clear paths.
Start with the closest path—your exact rating and project constraints are captured in the sourcing request.
01Standard / commonly boughtFastest route for common needs+
Rating / size scope
16–1,600 A common, frames to 2,500 A; 240–690 Vac and up to 1,000/1,500 Vdc; up to 150 kA
Configuration
1–4 pole LV devices; draw-out or fixed ACB/MCCB; withdrawable MV vacuum breakers; live-tank/dead-tank HV designs; manual, motor or stored-energy operation.
Typical sourcing route
Verified online distributor/stockist catalogue
Start with this path →02Engineered / upper-endConfigured with OEM or integrator+
Rating / size scope
Upper end or non-standard configuration within/near this published market range: 16–1,600 A common, frames to 2,500 A; 240–690 Vac and up to 1,000/1,500 Vdc; up to 150 kA
Configuration
Custom voltage/current/interface, enclosure, cooling, dimensions, protection, site code or integration within the product family.
Typical sourcing route
Engineered OEM/integrator RFQ
Start with this path →03Niche / exact-matchManual hunt for rare or legacy fit+
Rating / size scope
Exact rare, certified, obsolete or application-specific configuration; commercial boundary: 16–1,600 A common, frames to 2,500 A; 240–690 Vac and up to 1,000/1,500 Vdc; up to 150 kA
Configuration
UHV 800–1,200 kV; generator breakers at extreme current; 1,500 Vdc solar/storage; railway DC; hydraulic/pneumatic legacy mechanisms; exact cradle/interlock replacement.
Typical sourcing route
No exact niche seller verified in this research pass
Start with this path →Use these to narrow the match.
What suppliers need.
- Manufacturer
- model/frame
- voltage
- current
- breaking capacity
- poles
- trip unit/curve
- mounting
- fixed/withdrawable
- frequency/DC
- condition
- compatibility
- standards
Reference data, clearly labelled.
Verified online distributor/stockist catalogue
IEC 60947-2; IEC 60898; IEC 61008/61009; IEC 62271-100; UL 489/1066; IEEE/ANSI C37