Model: S803S-K40 + S800-AUX
Brand: ABB (Switzerland)
Product Name: 3-pole high breaking capacity MCB + matched auxiliary contact module
Main breaker S803S-K40
Pole number: 3P
Rated current In: 40 A
Tripping curve: K curve, applicable for motor, transformer and inductive load protection
Rated working voltage: AC 400/690 V, DC 375 V
Ultimate breaking capacity (415V AC): 50 kA；6kA @690V ACABB Group
Protection mode: Thermal overload protection + electromagnetic short-circuit protection
Terminal type: Finger-proof safety screw cage terminals
Wiring range: Rigid wire max 70 mm², flexible wire max 50 mm²
Total power loss under rated current: 11.1 W
Installation: 35mm standard DIN rail mounting
Protection grade inside cabinet: IP40
Rated impulse withstand voltage Uimp: 8 kV
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 method: Side snap-on assembly for full S800 series circuit breakers
Shared general parameters
Working 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, REACH
S803S-K40+S800-AU，ABB Specifications
| Model | S803S-K40 + S800-AUX |
|---|---|
| Brand | ABB (Switzerland) |
| Product Name | 3-pole high breaking capacity MCB + matched auxiliary contact module |
| Pole number | 3P |
| Rated current In | 40 A |
| Tripping curve | K curve, applicable for motor, transformer and inductive load protection |
| Rated working voltage | AC 400/690 V, DC 375 V |
| Ultimate breaking capacity (415V AC) | 50 kA；6kA @690V ACABB Group |
| Protection mode | Thermal overload protection + electromagnetic short-circuit protection |
| Terminal type | Finger-proof safety screw cage terminals |
| Wiring range | Rigid wire max 70 mm², flexible wire max 50 mm² |
| Total power loss under rated current | 11.1 W |
| Installation | 35mm standard DIN rail mounting |
| Protection grade inside cabinet | IP40 |
| Rated impulse withstand voltage Uimp | 8 kV |
| Contact configuration | 1NO + 1NC changeover contact |
| Max control voltage | AC 400 V / DC 250 V |
| Rated thermal current | 6 A |
| Mounting method | Side snap-on assembly for full S800 series circuit breakers |
| Working 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, REACH |
About the S803S-K40+S800-AU，ABB
The ABB (Switzerland) S803S-K40+S800-AU，ABB is a electrical products used in industrial automation, control and power systems. It is rated at Model S803S-K40 + S800-AUX, Brand ABB (Switzerland), Product Name 3-pole high breaking capacity 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-K40+S800-AU，ABB for accurate procurement and cross-referencing.
Why source the S803S-K40+S800-AU，ABB from HDE123
- Verified part number: every S803S-K40+S800-AU，ABB is checked against its manufacturer specification before shipment.
- 23 confirmed technical parameters available on this page for engineering review.
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Ordering the S803S-K40+S800-AU，ABB
To order the ABB (Switzerland) S803S-K40+S800-AU，ABB, 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.