Technical illustration. Representative component image; exact configuration and appearance may vary. Images are for reference only. The supplied part’s appearance may differ.
1SAM250000R1012 — Motor protection circuit-breaker
Electrical & controlsPart number: 1SAM250000R1012
ABB MS116-12 (1SAM250000R1012) is a three-pole motor protection circuit breaker with thermomagnetic protection and an adjustable 8–12 A thermal overload setting. It has screw terminals, a 690 V rated operational voltage and a 5.5 kW AC-3 rating at 400 V. Verify motor current and installation requirements before selection.
Looking for ABB 1SAM250000R1012? This catalogue reference is listed under Electrical & controls. Send the part number and your equipment details so we can confirm the specification, availability and a quotation including shipping.
Availability on request
Technical specifications
| Manufacturer | ABB |
|---|---|
| Part number | 1SAM250000R1012 |
| Category | Electrical & controls |
| Time-Current Characteristic Curve | Tripping characteristic - Manual Motor Starter MS116-12 |
| Cut-off Current Characteristic | Cut-off Current Characteristic @ 400V -Manual Motor Starter MS116 |
| Product Net Width | 45 mm |
| Product Net Height | 90 mm |
| Product Net Depth / Length | 85.6 mm |
| Product Net Weight | 0.265 kg |
| Rated Service Short-Circuit Breaking Capacity (I cs ) | (230 V AC) 25 kA |
| Rated Ultimate Short-Circuit Breaking Capacity (I cu ) | 50 kA at 400 V AC |
| Rated Instantaneous Short-Circuit Current Setting (I i ) | 180 A |
| Setting Range | 8–12 A |
| Rated Operational Power AC-3 (P e ) | 5.5 kW at 400 V |
| Rated Operational Power AC-3e (P e ) | (400 V) Three Phase 5.5 kW |
| Rated Operational Voltage | 690 V AC |
| Rated Operational Current (I e ) | 12 A |
| Rated Operational Current AC-3 (I e ) | 12 A |
| Rated Operational Current AC-3e (I e ) | 12 A |
| Rated Frequency (f) | Main Circuit 50 Hz |
| Rated Impulse Withstand Voltage (U imp ) | Main Circuit 6 kV |
| Rated Insulation Voltage (U i ) | 690 V |
| Power Loss | at Rated Operating Conditions per Pole 1.0 ... 2.3 W |
| Number of Poles | 3 |
| Conventional Free-air Thermal Current (I th ) | Main Circuit 12 A |
| Degree of Protection | IP20 housing |
| Terminal Type | Screw terminals |
| Connecting Capacity Main Circuit | Flexible with Ferrule 1/2x 0.75 ... 2.5 mm² |
| Tightening Torque | Main Circuit 0.8 ... 1.2 N·m |
| Wire Stripping Length | Main Circuit 9 mm |
| Mounting Position | 1 ... 6 |
| Published component type | Motor protection circuit-breaker |
| Reference status | Published part reference; specification and fitment require confirmation |
| Availability | On request |
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 overload setting range of ABB MS116-12?
The adjustable thermal overload setting range is 8–12 A. Check the motor nameplate current and the installation requirements before selecting the breaker.
Is the MS116-12 rated for a 5.5 kW motor at 400 V?
The MS116-12 has a 5.5 kW AC-3 rating at 400 V. Motor current and the installation’s protection requirements must also be checked; the power rating alone does not establish suitability.
What is the MS116-12 short-circuit breaking capacity at 400 V?
ABB lists an ultimate short-circuit breaking capacity, Icu, of 50 kA at 400 V AC. This is not the same rating as the service breaking capacity Ics; check the required rating for the installation.
Does 1SAM250000R1012 include an auxiliary contact?
ABB lists this exact part without an integrated auxiliary contact or an integrated undervoltage release. Confirm any required accessories separately before ordering.
What are the dimensions and terminals of the MS116-12?
ABB lists the dimensions as 45 mm wide, 90 mm high and 85.6 mm deep. The main circuit uses screw terminals. Check available space and connections before replacement.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.