ABB DSPAD/02/647 Stabilized Differential Relay
$258.00
$520.00
Description
Product Description
The ABB DSPAD/02/647 is an advanced stabilized differential relay engineered for the protection of power transformers and generator-transformers. Combining three-phase differential, overcurrent, and earth-fault protection into a single compact device, this relay delivers accurate fault detection with rapid tripping, reducing transformer stress and preventing extensive damage.
Designed for reliability in power generation, transmission networks, and heavy industrial installations, it ensures operational safety under demanding electrical conditions.
Technical Specifications
| Attribute | Details |
|---|---|
| Type | Stabilized Differential Relay |
| Protection Functions | Three-phase differential, overcurrent, earth-fault |
| Fault Detection | Winding short-circuits, interturn faults, earth faults, interwinding short-circuits, pole short circuits |
| Stabilization | Prevents false trips during transformer inrush and external faults |
| Accuracy Class | 5P (distinguishes between operational and fault currents) |
| Response Time | Fast tripping to isolate faults efficiently |
| Input Voltage Range | 110–240 V AC/DC (typical, confirm per installation) |
| Mounting | DIN rail or panel-mountable, compatible with standard enclosures |
| Dimensions | 334.6 × 121.9 × 21 mm |
| Weight | 0.42 kg |
Key Features
-
Integrated transformer protection in a single module
-
High-precision measurement for reliable fault discrimination
-
Rapid trip response to minimize equipment damage
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Stabilized design to avoid nuisance tripping during inrush conditions
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Compact and lightweight for flexible installation
Applications
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Power generation substations
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Industrial transformer installations
-
Utility and heavy industrial power networks
-
Generator-transformer protection in combined cycles
FAQ
Q: Can the DSPAD/02/647 be used for both single and three-phase transformers?
A: Yes, it supports three-phase differential protection and can be configured for various transformer types.
Q: How does it handle transformer inrush currents?
A: The relay includes stabilization features that prevent false trips during inrush conditions while maintaining accurate fault detection.
Q: Are there similar ABB models for comparison?
A: Comparable models include ABB REF615 and RET615, which offer advanced differential and overcurrent protection with digital communication interfaces.
Features
Minimalna količina porudžbine (MOQ)
Dobrodošli su nam veleprodajni nalozi i imamo minimalnu količinu narudžbine od samo jedne jedinice.
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Vreme isporuke
Za artikle na lageru, cilj nam je da isporučimo u roku od 1-3 dana nakon potvrde uplate. Artikli sa navedenim rokovima isporuke biće isporučeni u skladu sa navedenim rasporedom.
Metode plaćanja
Prihvatamo 100% T/T (telegrafski transfer) plaćanje pre slanja. Za artikle sa vremenom isporuke, zahteva se avans od 30%, dok se preostalih 70% plaća pre slanja. Za RMB transfere, molimo kontaktirajte nas ako imate agenta u Kini.
Garancija
Нудимо стандардну једногодишњу гаранцију на све нове и оригиналне артикле. Ако вам је потребна продужена гаранција, молимо контактирајте нас за детаље о додатним трошковима.
Politika povraćaja novca i vraćanja robe
Vaše zadovoljstvo nam je važno. Ako treba da vratite artikal, to mora biti urađeno u roku od 30 dana od datuma porudžbine. Proizvod mora biti neupotrebljen, neotvoren i u originalnom pakovanju sa svim uključenim dodacima. Povraćaj novca se obrađuje u roku od 5-7 radnih dana nakon što primimo vraćeni artikal. Molimo vas da imate na umu da troškovi dostave i povezani troškovi nisu povraćajni.
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