Technical illustration. Published product/series reference; confirm the exact configuration and supplied appearance. Images are for reference only. The supplied part’s appearance may differ.
1SAM401920R1004 — Phase busbar
Cable management & power transferPart number: 1SAM401920R1004
ABB 1SAM401920R1004, type PS2-4-0-125, is a 125 A three-phase busbar for connecting four MS165 or MO165 manual motor starters without lateral auxiliary contacts. It is rated for 690 V AC operation and measures 225 × 53 × 22 mm. Confirm the starter arrangement and electrical requirements before ordering.
Looking for ABB 1SAM401920R1004? This catalogue reference is listed under Cable management & power transfer. Send the part number and your equipment details so we can confirm the specification, availability and a quotation including shipping.
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Technical specifications
| Manufacturer | ABB |
|---|---|
| Part number | 1SAM401920R1004 |
| Category | Cable management & power transfer |
| Product Net Width | 225 mm |
| Product Net Height | 53 mm |
| Product Net Depth / Length | 22 mm |
| Product Net Weight | 0.226 kg |
| Rated Operational Voltage | 690 V AC |
| Rated Operational Current (I e ) | 125 A |
| Rated Impulse Withstand Voltage (U imp ) | 8 kV |
| Degree of Protection | IP20 |
| Maximum Operating Voltage UL/CSA | Main Circuit 600 V AC |
| Ambient Air Temperature | Operation -25 ... +40 °C |
| Published component type | Three-phase busbar |
| Reference status | Published part reference; specification and fitment require confirmation |
| Availability | On request |
| Number of starter positions | 4 |
| Number of lateral auxiliary contacts | 0 |
| Electrical connection | Pin |
| Pollution degree | 3 |
Catalogue information may contain errors or be out of date.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 1SAM401920R1004 and how many starters does it connect?
It is the PS2-4-0-125 three-phase busbar, rated 125 A and designed to connect four MS165 or MO165 manual motor starters. Confirm the starter models and layout before ordering.
Does the PS2-4-0-125 accommodate lateral auxiliary contacts?
This version is specified for zero lateral auxiliary contacts. If your starters have side-mounted contacts, verify the complete arrangement and select a busbar with the appropriate spacing.
What are the voltage and current ratings of the 1SAM401920R1004 busbar?
The busbar is rated 125 A operational current and 690 V AC operational voltage. The listed maximum operating voltage under UL/CSA is 600 V AC. Confirm that the complete assembly is suitable for the intended installation.
What are the dimensions of the PS2-4-0-125 busbar?
The product dimensions are 225 mm wide, 53 mm high and 22 mm deep; net weight is 0.226 kg. Check the available panel space and the starter arrangement before ordering.
Researched on:
Research information may be outdated. Confirm fitment and specifications with our team before ordering.