ABB
ABB DSPAD-02-647 Stabilized Differential Relay
ABB DSPAD-02-647 Stabilized Differential Relay
Product Type: stabilized differential relay
Payment:T/T, Western Union
Shipping Port:Jinhua China
Lead Time:1-3 Working Days
Condition: Brand New And 100% Original
Warranty: 12 months
The ABB DSPAD-02-647 is a stabilized differential relay designed for protecting two-winding power transformers and generator-transformers.
Here are its key features:
- Integrated Protection Modules:
Three-phase differential relay
Three-phase overcurrent relay
Multi-configurable earth-fault relay - Winding Protection:
Provides protection against winding short-circuits and interturn faults.
Interwinding short-circuit protection for generators.
- Earth-Fault Protection:
Protects the transformer HV and LV side using various principles:
Stabilized differential current
High-impedance
Residual current
Neutral current
- Overcurrent Protection:
Three-stage overcurrent module for power transformers and generators.
Two-stage backup earth-fault protection.
- Fast Operation:
Short operate time even with partial saturation of current transformers.
Adaptable Operation:
Differential relay module characteristics can be adjusted for different applications.
- Stability:
Stabilized against unwanted operations during faults outside the protected area and transformer inrush.
Second harmonic restraint to prevent unwanted relay operations during transformer inrush.
Fifth harmonic restraint for transformer overexcitation.
Additional Features:
- Wide CT ratio correction range.
- No interposing current transformers needed for two-winding power transformers.
- Multiple output relays for circuit breaker tripping and signaling.
- Integrated circuit breaker failure protection.
- Disturbance recorder functions for analog and digital signals.
- High immunity to interference.
- CE marking for EMC compliance.
FAQ & Contact:
Q: Are you a trading company or a manufacturer?
A: We are a trading company.
Q: What is your lead time?
A: If the item is in stock, we typically ship within one to three days. If the goods are not in stock, you'll need to negotiate the lead time.
Q: Does your company provide samples? Is it free or do you charge extra?
A: Sample availability and costs depend on the specific product and the quantity you order.
Q: What are your terms of payment?
A: For most orders, we require 100% payment via T/T before shipping. However, for large quantities, we can discuss payment terms.
Shipping:
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For in-stock items, we aim to ship within three days of receiving payment.
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We offer worldwide shipping through carriers like DHL, UPS, FEDEX, TNT, and EMS.
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If you have your own shipping agent, please inform us before shipment.
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We package our products securely, and if you have any special packaging requirements, please let us know.
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Typically, we ship until 4:30 PM. After shipment, we will provide a tracking number. It usually takes 7 to 15 days to receive your packages.
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Upon receiving the package, please send us an email.
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To expedite shipping cost estimates, please include the following information:
- Your zip code
- Your company name (if applicable) and your name
- Your phone number and extension (if applicable)
Company Service:
- Fast delivery (In-stock products usually ship within 1-3 days)
- Rich experience (Over 10 years of sales experience)
- Large inventory (Carrying various brands and maintaining overseas warehouses)
- Quality assurance (Products come with a 1-year warranty)
Contact Us:
- Phone: ☎ +86 15395923051
- Email: ✉ sales@controltech-supply.com
- Skype: 💬 +86 15395923051
- WhatsApp: 📱 86 15395923051
- Business hours: We provide online support 24/7
- Address: 🏢 1100 Linjiang East Road, Bailongqiao, Wucheng District, Jinhua City, Zhejiang Province 🌍
Feel free to reach out to us with any questions or inquiries! 🤝
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