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AFDD-3 Arc Fault Detection Device (Magnetic Type) | 1P+N RCBO Type A 6kA
- Magnetic Type AFDD integrating AFDD + MCB + RCCB (Type A) in one 1P+N module
- 6A–40A rated current, B/C curves, 6 kA short-circuit capacity
- Konform mit EN62606 & EN61009-1; ideal for residential, commercial & public buildings
overcurrent protection (MCB)und residual current protection (RCCB, Type A) in a compact
1P+N module. Designed with a magnetic tripping mechanism, it delivers stable
operation across varying loads. Compliant with EN62606 und EN61009-1, the device
offers 6 kA short-circuit capacity and early detection of series/parallel arc faults to reduce fire risk.
Wesentliche Merkmale
- Triple protection: AFDD + MCB + RCCB (Type A)
- Magnetisch tripping mechanism for reliable performance
- Tripping characteristics: B/C; short-circuit capacity: 6 kA
- LED indication for device status and tripping reason; continuous self-monitoring
- Kompakt 1P+N (1 module) design; screw terminals (top/bottom), strain-relief clamps
- Easy mounting on 35 mm DIN-Schiene
- Endurance: ≥ 20,000 mechanical / ≥ 4,000 electrical cycles
Technical Data
| Serie | AFDD |
|---|---|
| Modell | AFDD-3 |
| Pole | 1P+N (1 Module) |
| Rated current (AC) | 6A, 10A, 13A, 16A, 20A, 25A, 32A, 40A |
| Fehlerstrom-Typ | Typ A |
| Rated residual current IΔn | 10 mA, 30 mA |
| Min./Max. test circuit voltage | 196 V / 253 V |
| Tripping characteristic | B, C |
| Operating frequency | 50 Hz |
| Impulse withstand voltage (Uimp) | 4 kV |
| Rated voltage (AC) | 240 V |
| Rated short-circuit current (Icn) | 6 kA |
| Surge current strength | 0.25 kA |
| Max. total switching capacity | 6 kA |
| Rated insulation voltage | 250 V |
| Heat loss per pole | 3 W |
| Short-circuit backup fuse (SCPD) | 100 A |
| Backup fuse type | gG |
| Overvoltage class | III |
| Terminals | Screw-type, top & bottom (load circuit) |
| Neutral conductor position | Left / Right |
| Max. connection cable length | 70 m (distribution board ↔ outer socket) |
| Clamping area | 1–25 mm² |
| Tightening torque | 2.0–2.4 Nm |
| Mechanical endurance | ≥ 20,000 cycles |
| Electrical endurance | ≥ 4,000 cycles |
| Storage / Operating temperature | -35℃…+60℃ / -25℃…+40℃ |
| Housing type / material | Distribution board housing / Thermoplastic |
| Montage | DIN rail (35 mm) |
| Protection class | IP20 (installed: IP40) |
| Normen | EN62606, EN61009-1 |
| Power limitation category | 3 |
| Pollution degree (EN60664) | 2 |
| Zertifizierungen | UKCA, CE |
Anwendungen
- Fire protection for final circuits up to 40A in residential, commercial and public buildings
- Suitable networks: TN-S und TN-C-S
- Not permitted: TN-C systems or circuits with smooth DC residual currents
Zertifizierungen
- UKCA, CE
- Standards: EN62606 (AFDD), EN61009-1 (RCBO)
FAQ
What differentiates AFDD-3 from AFDD-1?
AFDD-3 adopts a magnetic tripping mechanism for stable performance under varying loads; AFDD-1 is a standard electronic design. Electrical ratings are otherwise similar.
Does AFDD-3 comply with EN standards?
Yes. It complies with EN62606 (arc fault detection) and EN61009-1 (RCBO).
Which leakage type is detected?
Type A — sinusoidal AC and pulsating DC residual currents.
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