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KAEL KE-FKR2 and KE-FKR3: Phase Sequence and Phase Protection Relays
- KAEL KE-FKR2 and KE-FKR3: Phase Sequence and Phase Protection Relays
- KAEL KE-FKR2 and KE-FKR3: Phase Sequence and Phase Protection Relays
- KAEL KE-FKR2 and KE-FKR3: Phase Sequence and Phase Protection Relays
KAEL KE-FKR2 and KE-FKR3: Phase Sequence and Phase Protection Relays
The KE-FKR2 and KE-FKR3 series are designed to prevent incorrect motor rotation in three-phase systems and provide protection against phase failures. With a 40% fixed asymmetry tolerance, these relays prevent unnecessary motor shutdowns in regions with unstable grid voltage while maintaining high safety standards.
What is the Difference Between KE-FKR2 and KE-FKR3?
Both devices share the exact same technical protection functions (phase sequence, 40% asymmetry, neutral loss protection). The primary difference lies in their physical design and footprint:
KE-FKR2: Standard-sized, classic phase protection model.
KE-FKR3: Features a Slim case design. It occupies less space inside the panel and is ideal for densely packed control boards where mounting space is limited.
PRODUCT DETAILS
| Özellik / Feature | Açıklama / Description | Detay / Detail |
| Sistem Gerilimi | System Voltage | 380V AC 3~ (50/60Hz) |
| Gerilim Toleransı | Voltage Tolerance | Umax: 1,30xUn / Umin: 0,70xUn |
| Faz Sırası Kontrolü | Phase Sequence Control | Var (Available / Disponible) |
| Faz Yokluğu | Phase Failure | Var (Available / Disponible) |
| Nötr Kopma Algılaması | Neutral Loss Detection | Var (Available / Disponible) |
| Gerilim Dengesizliği | Voltage Unbalance | %40 Sabit (Fixed) |
| Açma/Çekme Gecikmesi (Ts) | Trip/Connection Delay | Yok (None / Aucun) |
| PTC Koruması | PTC Protection | Yok (None / Aucun) |
| Çalışma Sıcaklığı | Operating Temperature | -5°C .... +50°C |
| Kontak Çıkışı | Relay Output | 1 Adet (1 x C/O) |
| Koli Adedi | Box Quantity | 8 Adet (8 Pcs) |
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