ABB Tmax XT MCCBs are molded case circuit breakers for feeder and motor protection from 10 A to 1600 A. The range covers 3-pole and 4-pole fixed breakers across XT1 to XT7 frames, with more than 200 products. Stoklink ships worldwide from Turkey and quotes volumes on request.
What's in this range
- XT1 to XT4 frames with TMD and TMA thermal-magnetic trip units.
- XT5 and XT6 frames for 400 A to 800 A feeders.
- Ekip electronic trip units for adjustable protection.
- Spare parts and options: MCCB Accessories, Releases & Trip Units.
How to choose
- Frame size sets the upper current limit. Pick the smallest frame above the load.
- Breaking capacity class (N, S, H and higher) must cover the fault level.
- Pick thermal-magnetic for simple feeders and Ekip where selectivity or metering is needed.
FAQ
What does the S in XT2S mean?
It is the breaking capacity class of the breaker. Letters are ordered by increasing breaking capacity, and the part title lists the kA value.
What does TMD 100-1000 mean?
TMD is a thermal-magnetic trip unit. The numbers show the rated current of 100 A and the magnetic setting of 1000 A.
Can you ship Tmax XT breakers worldwide?
Stoklink ships worldwide from Turkey on EXW terms. Lead time depends on distributor stock, so request a quote with your part numbers and quantities.
