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1SAM340000R1005 — Power circuit-breaker for trafo/generator/installation protection
Electrical & controlsPart number: 1SAM340000R1005
ABB MS132-1.0T (1SAM340000R1005) is a three-pole circuit breaker designed for primary-side control transformer protection against overload and short circuit. It has a 0.63–1.0 A adjustable current range, a 20 A instantaneous short-circuit setting, screw terminals and a lockable rotary handle.
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Technical specifications
| Manufacturer | ABB |
|---|---|
| Part number | 1SAM340000R1005 |
| Category | Electrical & controls |
| Time-Current Characteristic Curve | Tripping characteristic - Circuit Breaker for Transformer Protection MS132-1.0T |
| 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 | 0.215 kg |
| Rated Service Short-Circuit Breaking Capacity (I cs ) | 100 kA at 230 V AC; 100 kA at 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 ) | 20 A |
| Setting Range | 0.63–1.0 A |
| Rated Operational Voltage | 690 V AC, main circuit |
| Rated Operational Current (I e ) | 1 A |
| Rated Frequency (f) | 50/60 Hz, main circuit |
| 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 ... 1.5 W |
| Number of Poles | 3 |
| Conventional Free-air Thermal Current (I th ) | Main Circuit 1 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 | TH35-7.5 or TH35-15, 35 mm DIN rail 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 |
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 1SAM340000R1005 designed to protect?
The MS132-1.0T is designed for primary-side protection of control transformers against overload and short circuit. It also has a manual disconnect function. Confirm the transformer and installation requirements before selection.
What current setting range does the MS132-1.0T cover?
Its adjustable setting range is 0.63–1.0 A, and its rated operational current is 1 A. Check the transformer primary current and applicable protection requirements before selecting it.
What is the short-circuit trip setting and breaking capacity?
The rated instantaneous short-circuit setting is 20 A. The rated service breaking capacity Ics is 100 kA at 400 V AC; verify the prospective fault current and voltage for the installation.
How is the MS132-1.0T mounted and connected?
It has screw terminals and mounts on TH35-7.5 or TH35-15 DIN rail. Its housing is IP20 and its main circuit terminals are IP10; select an appropriate enclosure for the installation.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.