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1SAM451000R1017 — Motor protection circuit-breaker
Electrical & controlsPart number: 1SAM451000R1017
ABB 1SAM451000R1017 is the MS165-65 manual motor starter and motor protection circuit-breaker. It has a 52–65 A adjustable overload setting, three poles and screw terminals. The 400 V three-phase AC-3 rating is 30 kW. Features include trip class 10 overload protection, phase-failure sensitivity, a rotary handle and separate short-circuit trip indication.
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Technical specifications
| Manufacturer | ABB |
|---|---|
| Part number | 1SAM451000R1017 |
| Category | Electrical & controls |
| Ex Operating Instructions | ATEX - Operating instructions for MS165 for potentially explosive areas |
| Time-Current Characteristic Curve | Tripping characteristic - Manual Motor Starter MS165-65 |
| Cut-off Current Characteristic | Cut-off Current Characteristic @ 400/690V -Manual Motor Starter MS165/MO165 |
| Product Net Width | 55 mm |
| Product Net Height | 142.65 mm |
| Product Net Depth / Length | 122.1 mm |
| Product Net Weight | 0.98 kg |
| Rated Service Short-Circuit Breaking Capacity (I cs ) | (230 V AC) 30 kA |
| Rated Ultimate Short-Circuit Breaking Capacity (I cu ) | (230 V AC) 50 kA |
| Rated Instantaneous Short-Circuit Current Setting (I i ) | 975 A |
| Setting Range | 52–65 A |
| Rated Operational Power AC-3 (P e ) | 30 kW at 400 V, three-phase |
| Rated Operational Power AC-3e (P e ) | 30 kW at 400 V, three-phase |
| Rated Operational Voltage | Main Circuit 690 V AC |
| Rated Operational Current (I e ) | 65 A |
| Rated Operational Current AC-3 (I e ) | 65 A |
| Rated Operational Current AC-3e (I e ) | 65 A |
| Rated Operational Current DC-5 (I e ) | 65 A |
| Rated Frequency (f) | 50 / 60 Hz, main circuit |
| Operating Frequency (f sw ) | 0 ... 415 Hz |
| Rated Impulse Withstand Voltage (U imp ) | Main Circuit 8 kV |
| Rated Insulation Voltage (U i ) | 1000 V |
| Power Loss | at Rated Operating Conditions per Pole 5.14 ... 8.02 W |
| Number of Poles | 3 |
| Conventional Free-air Thermal Current (I th ) | Main Circuit 65 A |
| Degree of Protection | IP20 housing; IP10 main circuit terminals |
| Terminal Type | Screw terminals |
| Connecting Capacity Main Circuit | Flexible with Ferrule 1/2x 1 ... 35 mm² |
| Published component type | Motor protection circuit-breaker |
| Reference status | Published part reference; specification and fitment require confirmation |
| Availability | On request |
| Trip class | 10 |
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 is the current adjustment range of ABB MS165-65?
The overload setting range is 52–65 A, and the rated operational current is 65 A. Check the motor nameplate current and the complete application before selecting the breaker.
What motor power is the MS165-65 rated for at 400 V?
Its three-phase AC-3 and AC-3e operational power rating is 30 kW at 400 V. Confirm the motor current and circuit conditions as well as the power rating.
What protection and indications does the MS165-65 provide?
It provides overload and phase-failure protection with trip class 10, as well as a separate short-circuit trip indication. Its rotary handle indicates ON, OFF and TRIP.
Can the ABB MS165-65 be used with a single-phase motor?
The MS165 range is described as suitable for both single-phase and three-phase applications. Confirm the appropriate wiring, motor ratings and protection requirements against ABB documentation before use.
What are the dimensions and terminal type of the MS165-65?
The breaker measures 55 mm wide, 142.65 mm high and 122.1 mm deep. It has screw terminals and a housing rated IP20.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.