ABB AUX-C 1SDA054910R1 Auxiliary Contact for Breakers
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ABB AUX-C 1SDA054910R1
Reliable auxiliary signaling contact for monitoring ABB circuit breaker status in industrial and commercial electrical systems
| Brand | ABB |
| Model | AUX-C 1SDA054910R1 |
| Voltage | 250 V AC/DC |
| Country of Origin | Italy |
| Weight | 0.05 kg |
| Dimensions | 40 x 30 x 25 mm |
| Warranty | 6 months |
| Certifications | CE, RoHS |
| SKU / MPN | 1SDA054910R1 |
| What’s in the box | ABB auxiliary contact, mounting hardware, installation instructions |
| Product Type | Circuit breaker auxiliary contact |
| Contact Function | Electrical status signaling |
| Rated Insulation Voltage | 250 V AC/DC |
| Compatibility | Compatible ABB low-voltage circuit breakers |
| Mounting | Internal accessory mounting |
| Manufacturer Series | ABB SACE accessory range |
Key benefits: Accurate breaker status indication, compact installation, dependable ABB construction, simplified control panel integration
Typical applications: MCCB status monitoring, motor control centers, distribution panels, machine control cabinets, building automation systems
Lifecycle: Active product with standard industrial lifecycle and ABB replacement support
1 review for ABB AUX-C 1SDA054910R1 Auxiliary Contact for Breakers
Clear filtersOur Advantages
Exact match for many brands
We make replacements easy with an exact match for almost any brand.
We use OEM catalogs to match your part number
Don’t worry about ordering the wrong part by matching your part number with our OEM catalogs.
Competitively priced
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Orders usually ship the same day
Rest assured your order will arrive as soon as possible knowing we usually ship the same day.
Individually inspected
Before any package is shipped we carefully inspect every product to ensure quality.
Guaranteed for one full year
All of our New Surplus and Reconditioned products come with a 1 year warranty.

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Andrew C. –
Excellent build quality on the terminal blocks. Makes panel wiring neat and fast.