Selection
30 articles on selection.
02 Nov 2026 · 2 min read
Hager MCBs: 1,593 refs, 0.5-125 A
Hager MCBs: 1,593 references across 67 series, 0.5-125 A, with the parameter spread of every family in one table.
02 Nov 2026 · 2 min read
ETI Fuses: 1,933 refs, 1-560 A
ETI Fuses: 1,933 references across 86 series, 1-560 A, with the parameter spread of every family in one table.
02 Nov 2026 · 2 min read
Eaton Fuses: 6,423 refs, 0.5-3500 A
All Eaton Fuses in the catalogue - 6,423 references, 0.5-3500 A - grouped family by family with the ratings each one actually covers.
02 Nov 2026 · 2 min read
ABB MCCBs: 3,726 refs, 10-1600 A
ABB lists 3,726 MCCBs across 1 series. Here is what the range covers, where it stops, and what to check before ordering.
01 Nov 2026 · 5 min read
Reading a circuit breaker trip curve
A trip curve is the only honest document about what a breaker will do. Here is how to read the two axes, what B, C and D actually mean, and why a 16 A breaker trips on a 3 kW motor.
01 Nov 2026 · 5 min read
Contactor coil voltage: 24 V DC or 230 V AC?
The coil voltage on a contactor has nothing to do with the motor it switches. Here is how to pick one that holds reliably, survives long control cables, and matches the PLC output that drives it.