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1SAM340000R1007 — Power circuit-breaker for trafo/generator/installation protection
Electrical & controlsPart number: 1SAM340000R1007
ABB MS132-2.5T (1SAM340000R1007) is a three-pole circuit breaker designed for primary-side control transformer protection. It provides adjustable overload protection from 1.6 to 2.5 A, short-circuit protection and manual disconnection. The device has screw terminals and a rotary operating handle. Confirm the transformer and installation requirements before selection.
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Technical specifications
| Manufacturer | ABB |
|---|---|
| Part number | 1SAM340000R1007 |
| Category | Electrical & controls |
| Time-Current Characteristic Curve | Tripping characteristic - Circuit Breaker for Transformer Protection MS132-2.5T |
| Cut-off Current Characteristic | Cut-off Current Characteristic @ 400V - Circuit Breaker for Transformer Protection MS132-T / MS132-KT |
| Product Net Width | 45 mm |
| Product Net Height | 90 mm |
| Product Net Depth / Length | 86.75 mm |
| Product Net Weight | 0.265 kg |
| Rated Service Short-Circuit Breaking Capacity (I cs ) | 100 kA at 230 V AC and 400 V AC |
| Rated Ultimate Short-Circuit Breaking Capacity (I cu ) | 100 kA at 400 V AC |
| Rated Instantaneous Short-Circuit Current Setting (I i ) | 50 A |
| Setting Range | 1.6–2.5 A |
| Rated Operational Voltage | Main circuit: 690 V AC |
| Rated Operational Current (I e ) | 2.5 A |
| Rated Frequency (f) | Main circuit: 50/60 Hz |
| Operating Frequency (f sw ) | 0 ... 400 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 0.6 ... 1.6 W |
| Number of Poles | 3 |
| Conventional Free-air Thermal Current (I th ) | Main Circuit 2.5 A |
| Degree of Protection | Housing: IP20; main circuit terminals: IP10 |
| 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 |
| Mounting on DIN Rail | TH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715 |
| Minimum Mounting Distance | Electrical Conductive Board, Vertical 75 mm |
| Short-Circuit Current Rating (SCCR) | Any UL Listed Fuses or Circuit-Breakers, Tap Conductor Protection in Group Installations (480Y / 277 V AC) 65 kA |
| Published component type | Power circuit-breaker for trafo/generator/installation protection |
| 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 ABB 1SAM340000R1007 designed to protect?
ABB identifies MS132-2.5T as a breaker for primary-side control transformer protection. It provides overload and short-circuit protection and manual disconnection. Check the transformer and installation requirements before selecting it.
What current range and short-circuit trip setting does the MS132-2.5T have?
Its overload setting range is 1.6–2.5 A, with a rated operational current of 2.5 A and a fixed instantaneous short-circuit setting of 50 A. Check the transformer nameplate and protection requirements to confirm selection.
What is the breaking capacity of the MS132-2.5T at 400 V AC?
The rated service short-circuit breaking capacity Ics and ultimate breaking capacity Icu are each 100 kA at 400 V AC. Verify the prospective fault current and applicable installation requirements before use.
How does the MS132-2.5T connect and mount?
This three-pole breaker has screw terminals and mounts on a 35 mm DIN rail. The housing is IP20 and the main-circuit terminals are IP10. Confirm panel clearance and the equipment model and serial number before replacing an installed breaker.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.