90 A contactor for 1000 VAC three-phase loads
The ABB AF65-30-11-11 is a 3-pole contactor rated for 90 A continuous current at up to 1000 V AC, with a 20-60 V DC control coil. That 90 A figure is the thermal current (Ith) — it's the contactor's backbone rating for resistive loads at 40 °C ambient. For motor duty (AC-3), you'd typically derate to around 55-65 A depending on the specific motor full-load current, but the 90 A frame gives you headroom for heavy switching cycles on pumps, conveyors, or compressors. The 1000 V AC rating means it's suited for 690 V or 1000 V industrial networks — common in mining, marine, or heavy manufacturing where step-down transformers aren't practical. The wide DC coil range (20-60 V) covers standard 24 V and 48 V control systems without needing a separate coil voltage variant; it'll pull in reliably at 20 V and hold through dips down to about 18 V.
Surface mount integration in the panel
Surface mounting means you're bolting this to a backplate or sub-panel — no DIN rail adapter. Plan for M4 or M5 mounting screws through the base slots, and leave clearance above for the arc chute (typically 100-150 mm for 90 A frames). The 20-60 V DC coil draws about 0.2-0.3 A at 24 VDC during pick-up, dropping to roughly 0.05-0.1 A hold — check your DC supply's inrush capacity if you're ganging several contactors on one power supply.