Description
REB670 is a high-performance busbar protection relay designed for complex substation topologies. It supports advanced analog, binary, and auxiliary DC input modules to ensure reliable, fast fault detection and isolation.
Analog Inputs
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Rated frequency: 50/60 Hz
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Frequency range: ±10%
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Rated current Ir: 1 or 5 A
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Operating range: 0–100 × Ir
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Thermal withstand:
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100 × Ir for 1 s
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30 × Ir for 10 s
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10 × Ir for 1 min
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4 × Ir continuously
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Dynamic withstand: 250 × Ir (one half wave)
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Burden:
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< 20 mVA at Ir = 1 A
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< 150 mVA at Ir = 5 A
Power Supply Module (PSM)
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Auxiliary DC voltage (EL):
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(24–60) V DC ±20%
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(90–250) V DC ±20%
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Power consumption: Typically 50 W
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In-rush current: < 10 A during 0.1 s
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Supply interruption bridging time: < 50 ms
Binary Inputs and Outputs
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Binary inputs: 16 channels
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Rated DC voltage (RL):
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24/30 V DC ±20%
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48/60 V DC ±20%
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110/125 V DC ±20%
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220/250 V DC ±20%
Dimensions
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Width: 483 mm (19 in.)
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Height: 132 mm (5.2 in.)
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Depth: 215 mm (8.5 in.)
| Quick Quotes | Receive price & availability FAST from our dedicated customer service team. |
|---|---|
| Delivery | Expedited, Freight, And International Shipping Available. |
| Condition | 100% New with Original Package |
| Payment | We accept American Express, Discover, MasterCard, PayPal, and Visa. Our site is secured by RapidSSL. |
| Shipping Port | ShangHai, Xiamen |
| Warranty | 12 Months |
| Q: Is Our Pricing Competitive? |
| A: Yes, we collaborate with over 50 countries worldwide. As a top supplier in China, we offer significant discounts based on market trends. |
| Q: What Is the Warranty Period? |
| A: All our new and original products come with a standard one-year warranty. |
| Q: What Payment Methods Do We Accept? |
| A: We require 100% T/T (Telegraphic Transfer) payment before shipping. For items with a lead time, a 30% deposit is needed upfront, and the remaining 70% is due before shipping. If you have a representative in China, you can arrange an RMB transfer through them. |
| Q: What Shipping Methods Do We Use? |
| A: We primarily use FedEx, DHL, UPS, and BRE for shipping. If you have an account with any of these carriers, you can handle shipping directly. We also offer free shipping to China-based freight forwarders. |
| Q: What Is Our Delivery Time? |
| A: Delivery usually takes 1-3 days after receiving the initial payment. For items with a lead time, shipping will occur according to the specified schedule. |
| Q: How Do We Package the Goods? |
| A: We ensure safe packaging with multiple layers of protection. Products are first placed in their original boxes and sealed with labels. A layer of bubble wrap is then added for collision protection during transit. Finally, the items are packed securely in durable boxes. |
| Q: How Can Customers Contact Us and Request a Quote? |
| A: You can reach out to us via email, WhatsApp, WeChat, Skype, or your preferred communication platform. Contact us with your needs, and we'll provide a prompt, customized quote. |
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