Meet the ABB MO165-42 — a compact, magnetic-only manual motor starter that gives you dependable ON/OFF control and instantaneous short-circuit protection in a slim 55 mm footprint. Built for harsh, real-world panels, it’s a tough, no-nonsense choice for industrial and commercial motor circuits.
Magnetic-only protection for fast short-circuit response
Manual rotary handle with clear ON/OFF/TRIP indication; lockable for safety
3-pole, 42 A (AC/DC) rating
Supports motors up to 45 kW @ 400 V (application dependent)
Rated operational power: 22 kW @ 400 V AC (AC-3)
High breaking capacity up to 100 kA @ 400 V AC
Compact 55 mm width; DIN-rail TH35-15/TH35-7.5 mounting
IP20 housing / IP10 terminals
Mechanical durability 50,000 cycles; electrical durability 25,000 cycles
Wide operating temperature –25 °C to +60 °C
Works in three-phase and single-phase applications
Accessories available: auxiliary contacts, shunt trips, busbars, and more
Uimp 8 kV, Ui 1000 V
The MO165-42 keeps things simple and reliable: instant magnetic trip for short-circuits plus manual switching — no thermal dials to set. Pair it with an external overload relay when you need thermal protection. With high breaking capacity, a lockable handle, and long mechanical life, it’s a compact starter designed for demanding panels and retrofit spaces.
Manufacturing lines and OEM machinery
Commercial HVAC fans and blowers
Pump and compressor panels
Conveyors and material-handling systems
Brownfield retrofits needing quick local isolation
MCC and field panel builders seeking a slim form factor
Ready to price it out? Chat with Shansen Enterprises — Authorized ABB Channel Partner on WhatsApp. Mention “MO165-42” for pricing, stock, lead time, and expert sizing support. We’re proud of our 100% customer satisfaction record — message us now for a fast, no-obligation quote.
Send us a message on WhatsApp or email to get pricing and availability. We respond within 30 minutes.
| Technical Specification | Details |
|---|---|
| Rated Service Short-Circuit Breaking Capacity (Ics) | (230 V AC): 30 kA (250 V DC, 3 Poles in Series): 100 kA (400 V AC): 30 kA (440 V AC): 30 kA (500 V AC): 20 kA (690 V AC): 6 kA |
| Rated Ultimate Short-Circuit Breaking Capacity (Icu) | (230 V AC): 50 kA (250 V DC): 100 kA (400 V AC): 50 kA (440 V AC): 45 kA (500 V AC): 20 kA (690 V AC): 8 kA |
| Rated Instantaneous Short-Circuit Current Setting (Ii) | 810 A |
| Setting Range | 40 ... 54 A |
| Rated Operational Power AC-3 (Pe) | (400 V) Three Phase 22 kW |
| Rated Operational Voltage | Main Circuit: 690 V AC Main Circuit: 250 V DC |
| Rated Operational Current (Ie) | 54 A |
| Rated Frequency (f) | Main Circuit: 50 Hz Main Circuit: 60 Hz |
| Operating Frequency (fsw) | 0 ... 415 Hz |
| Rated Impulse Withstand Voltage (Uimp) | Main Circuit: 8 kV |
| Power Loss | 3.84 ... 6.99 W per pole |
| Number of Poles | 3P |
| Degree of Protection | Housing: IP20 Main Circuit Terminals: IP10 |
| Electrical Durability | 25000 cycles |
| Standards | CSA 22.2 No. 14 IEC/EN 60947-1 IEC/EN 60947-2 IEC/EN 60947-4-1 UL 60947-4-1 |
Send us your requirements on WhatsApp or email — our team will get back to you with pricing and availability.
