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1SAM451000R1015 — MS165-42 Motor-protective circuit breaker 30-42A MS16542
Electrical & controlsPart number: 1SAM451000R1015
ABB MS165-42 (1SAM451000R1015) is a three-pole manual motor starter and motor-protective circuit breaker with an adjustable 30–42 A overload setting. It provides overload and phase-failure protection, short-circuit trip indication and a disconnect function. Features include class 10 tripping, screw terminals and a lockable rotary handle. Its AC-3 operational power rating is 22 kW at 400 V for a three-phase motor.
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Technical specifications
| Manufacturer | ABB |
|---|---|
| Part number | 1SAM451000R1015 |
| Category | Electrical & controls |
| Published component description | MS165-42 Motor-protective circuit breaker 30-42A MS16542 |
| Reference status | Published part reference; specification and fitment require confirmation |
| Availability | On request |
| Overload setting range | 30–42 A |
| Rated operational current | 42 A |
| Rated operational power | 22 kW at 400 V AC, three-phase, AC-3 |
| Number of poles | 3 |
| Trip class | 10 |
| Rated operational voltage | 690 V AC; 250 V DC, three poles in series |
| Terminal type | Screw terminals |
| Rated frequency | 50/60 Hz |
| Dimensions | 55 × 142.65 × 122.1 mm (width × height × depth) |
| Net weight | 0.97 kg |
| Rated instantaneous short-circuit current setting | 630 A |
| Ambient operating temperature | −25 to +60 °C |
| Degree of protection | IP20 housing; IP10 main circuit terminals |
Catalogue information may contain errors or be out of date.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
What current range does the ABB MS165-42 cover?
The adjustable overload setting range is 30–42 A, and the rated operational current is 42 A. Check the motor nameplate current and the full circuit requirements before selecting a starter.
What motor power is the MS165-42 rated for at 400 V?
The rated operational power is 22 kW at 400 V for a three-phase motor under AC-3 duty. Motor nameplate current and the complete installation still need to be checked; the power figure alone does not establish suitability.
What protection and operating features does the MS165-42 provide?
It provides overload and phase-failure protection, short-circuit trip indication and a disconnect function. It has a lockable rotary handle and class 10 overload tripping.
What are the MS165-42 dimensions and terminal type?
The listed product dimensions are 55 mm wide, 142.65 mm high and 122.1 mm deep. It has screw terminals; verify the available panel space and installation requirements before ordering.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.