Model: S803S-K50 + S800-AUX
Brand: ABB (Switzerland)
Product Name: 3-pole high breaking capacity MCB + matching auxiliary contact module
Main breaker S803S-K50
Pole number: 3P
Rated current In: 50 A
Tripping curve: K characteristic (for motor & inductive loads)
Rated working voltage: AC 400/690 V, DC 375 V
Ultimate breaking capacity (415V AC): 50 kA
Protection mode: Thermal overload protection + electromagnetic short-circuit protection
Wiring capacity: Rigid wire 0~70mm², flexible wire 0~50mm²
Installation: Standard 35mm DIN rail mounting
Protection grade (in cabinet): IP40
Auxiliary contact S800-AUX
Contact form: 1NO + 1NC changeover contact
Max control voltage: AC 400V / DC 250V
Rated thermal current: 6 A
Installation method: Side snap-on for full S800 series breakers
Common general parameters
Operating ambient temperature: -25 ℃ ~ +70 ℃
Mechanical service life: 20000 operating cycles
Electrical service life: 10000 operating cycles
Execution standards: IEC 60947-2、IEC 60947-5-1, CE, UL, CSA, RoHS
S803S-K50+S800-AUX，ABB (Switzerland) Specifications
| Model | S803S-K50 + S800-AUX |
|---|---|
| Brand | ABB (Switzerland) |
| Product Name | 3-pole high breaking capacity MCB + matching auxiliary contact module |
| Pole number | 3P |
| Rated current In | 50 A |
| Tripping curve | K characteristic (for motor & inductive loads) |
| Rated working voltage | AC 400/690 V, DC 375 V |
| Ultimate breaking capacity (415V AC) | 50 kA |
| Protection mode | Thermal overload protection + electromagnetic short-circuit protection |
| Wiring capacity | Rigid wire 0~70mm², flexible wire 0~50mm² |
| Installation | Standard 35mm DIN rail mounting |
| Protection grade (in cabinet) | IP40 |
| Contact form | 1NO + 1NC changeover contact |
| Max control voltage | AC 400V / DC 250V |
| Rated thermal current | 6 A |
| Installation method | Side snap-on for full S800 series breakers |
| Operating ambient temperature | -25 ℃ ~ +70 ℃ |
| Mechanical service life | 20000 operating cycles |
| Electrical service life | 10000 operating cycles |
| Execution standards | IEC 60947-2、IEC 60947-5-1, CE, UL, CSA, RoHS |
About the S803S-K50+S800-AUX，ABB (Switzerland)
The ABB (Switzerland) S803S-K50+S800-AUX，ABB (Switzerland) is a electrical products used in industrial automation, control and power systems. It is rated at Model S803S-K50 + S800-AUX, Brand ABB (Switzerland), Product Name 3-pole high breaking capacity MCB + matching auxiliary contact module. Manufactured by ABB (Switzerland), this electrical products is supplied as new, original industrial-grade stock. Each unit is identified by manufacturer part number S803S-K50+S800-AUX，ABB (Switzerland) for accurate procurement and cross-referencing.
Why source the S803S-K50+S800-AUX，ABB (Switzerland) from HDE123
- Verified part number: every S803S-K50+S800-AUX，ABB (Switzerland) is checked against its manufacturer specification before shipment.
- 20 confirmed technical parameters available on this page for engineering review.
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Ordering the S803S-K50+S800-AUX，ABB (Switzerland)
To order the ABB (Switzerland) S803S-K50+S800-AUX，ABB (Switzerland), add it to your cart and complete checkout, or use the Request a Quote form for volume purchases and replacement / cross-reference enquiries. Lead time: typically 3–10 working days for in-stock items, subject to confirmation. Worldwide shipping is available and a commercial invoice is provided for customs.