Model: S803S-K0.5 + S800-AUX
Brand: ABB (Switzerland)
Product Name: 3-pole high performance MCB + matched auxiliary contact module
Main breaker S803S-K0.5
Pole number: 3P
Rated current In: 0.5 A
Tripping curve: K curve (suitable for inductive loads, instrument and precision circuit protection)
Rated voltage: AC 400/690 V, DC 375 V
Ultimate breaking capacity (415V AC): 50 kA; 6 kA under 690V AC
Protection type: Thermal overload protection + electromagnetic short-circuit protection
Rated impulse withstand voltage Uimp: 8 kV
Terminal structure: Finger-safe screw terminals
Installation: 35mm standard DIN rail mounting
Single pole power consumption: 2 W, total power loss 6 W
Auxiliary contact S800-AUX
Contact configuration: 1NO + 1NC changeover contact
Max control voltage: AC 400 V / DC 250 V
Rated thermal current: 6 A
Mounting way: Side snap-on installation for S800 full series breakers
Shared general parameters
Working ambient temperature: -25 ℃ ~ +70 ℃
Mechanical service life: 20000 operating cycles
Electrical service life: 10000 operating cycles
Compliance standards: IEC 60947-2, IEC 60947-5-1, CE, UL, CSA, RoHS
S803S-K0.5+S800-AUX，ABB (Switzerland) Specifications
| Model | S803S-K0.5 + S800-AUX |
|---|---|
| Brand | ABB (Switzerland) |
| Product Name | 3-pole high performance MCB + matched auxiliary contact module |
| Pole number | 3P |
| Rated current In | 0.5 A |
| Tripping curve | K curve (suitable for inductive loads, instrument and precision circuit protection) |
| Rated voltage | AC 400/690 V, DC 375 V |
| Ultimate breaking capacity (415V AC) | 50 kA; 6 kA under 690V AC |
| Protection type | Thermal overload protection + electromagnetic short-circuit protection |
| Rated impulse withstand voltage Uimp | 8 kV |
| Terminal structure | Finger-safe screw terminals |
| Installation | 35mm standard DIN rail mounting |
| Single pole power consumption | 2 W, total power loss 6 W |
| Contact configuration | 1NO + 1NC changeover contact |
| Max control voltage | AC 400 V / DC 250 V |
| Rated thermal current | 6 A |
| Mounting way | Side snap-on installation for S800 full series breakers |
| Working ambient temperature | -25 ℃ ~ +70 ℃ |
| Mechanical service life | 20000 operating cycles |
| Electrical service life | 10000 operating cycles |
| Compliance standards | IEC 60947-2, IEC 60947-5-1, CE, UL, CSA, RoHS |
About the S803S-K0.5+S800-AUX，ABB (Switzerland)
The ABB (Switzerland) S803S-K0.5+S800-AUX，ABB (Switzerland) is a electrical products used in industrial automation, control and power systems. It is rated at Model S803S-K0.5 + S800-AUX, Brand ABB (Switzerland), Product Name 3-pole high performance MCB + matched 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-K0.5+S800-AUX，ABB (Switzerland) for accurate procurement and cross-referencing.
Why source the S803S-K0.5+S800-AUX，ABB (Switzerland) from HDE123
- Verified part number: every S803S-K0.5+S800-AUX，ABB (Switzerland) is checked against its manufacturer specification before shipment.
- 21 confirmed technical parameters available on this page for engineering review.
- Global delivery with clear lead time and commercial invoice for B2B buyers.
- Fast B2B support: send us the equipment model or an existing part number and our engineers confirm compatibility before you order.
Ordering the S803S-K0.5+S800-AUX，ABB (Switzerland)
To order the ABB (Switzerland) S803S-K0.5+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.