Catalogue reference. Availability, exact specification and OEM or aftermarket supply are confirmed in your quotation.
1SAM461000R1015 — MO165-42 Circuit breaker for magnetic only protection 42A MO16542
relayPart number: 1SAM461000R1015
ABB MO165-42 (1SAM461000R1015) is a 42 A magnetic-only manual motor starter for manual switching and short-circuit protection. It has a rotary handle and a disconnect function. Motor overload protection requires an appropriate separate thermal or electronic overload relay.
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Technical specifications
| Manufacturer | ABB |
|---|---|
| Part number | 1SAM461000R1015 |
| Category | Electrical & controls |
| Published component description | MO165-42 Circuit breaker for magnetic only protection 42A MO16542 |
| Reference status | Published part reference; specification and fitment require confirmation |
| Availability | On request |
| Protection type | Magnetic short-circuit protection; separate overload relay required for motor overload protection |
| Rated operational current | 42 A |
| Rated service short-circuit breaking capacity Ics | 50 kA at 400 V AC |
| Rated instantaneous short-circuit current setting Ii | 630 A |
| Rated operational power | 22 kW at 400 V AC, AC-3 / AC-3e |
| Number of poles | 3 |
| Main circuit connections | Screw terminals |
| Dimensions (width × height × depth) | 55 × 142.65 × 122.1 mm |
| Net weight | 0.97 kg |
| Actuator | Rotary handle |
Catalogue information may contain errors or be out of date. Full specifications and verified details are available on request. Confirm the part number and equipment fitment with us before ordering.
Product questions
Does the MO165-42 provide motor overload protection?
No. It provides magnetic short-circuit protection, not standalone motor overload protection. ABB specifies an appropriate thermal or electronic overload relay for motor overload protection.
What are the current and short-circuit ratings of the ABB MO165-42?
The rated operational current is 42 A. Its rated service short-circuit breaking capacity Ics is 50 kA at 400 V AC, and its rated instantaneous short-circuit setting is 630 A. Check the prospective fault current and circuit conditions before selection.
Can the MO165-42 be used with a 22 kW motor?
ABB lists a rated operational power of 22 kW at 400 V for AC-3 and AC-3e. This rating alone does not establish suitability: check the motor nameplate current, supply, fault level and required overload protection.
What are the dimensions and connection type of the MO165-42?
The unit measures 55 mm wide, 142.65 mm high and 122.1 mm deep. It has three poles and screw connections. Check available panel space and the existing equipment details before ordering.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.