TheABB REF615C_Dis a dedicated feeder protection and control relay designed for utility and industrial power systems. It supports a range of network configurations—radial, looped, or meshed—whether or not distributed generation is present. As a member of ABB’sRelion® 615 series, it offers compactness, withdrawable-unit design, and full support forIEC 61850 Edition 2, enabling high-level interoperability in modern substation automation systems.
Technical Specifications
Dimensions & Weight
Description
Value
Width (Frame/Case)
177 mm / 164 mm
Height (Frame/Case)
177 mm (4U) / 160 mm
Depth (Total)
201 mm (153 + 48 mm)
Weight
4.1 kg (complete), 2.1 kg (plug-in unit)
Power Supply
Description
Type 1
Type 2
Nominal Auxiliary Voltage
100–240 V AC / 50–60 Hz
24–250 V DC
Max Interruption (DC)
50 ms
50 ms
Auxiliary Voltage Variation
38–110% of Un (AC)
50–120% (12–72 V DC), 80–120% (38.4–300 V DC)
Start-up Threshold
–
19.2 V DC
Burden (DC)
<13.0 W nominal / <18.0 W max.
Same
Burden (AC)
<16.0 W nominal / <21.0 W max.
–
Fuse Type
T4A / 250 V
–
Energizing Inputs – Conventional
Parameter
0.2/1 A Inputs
1/5 A Inputs
Rated Frequency
50/60 Hz
50/60 Hz
Continuous Thermal Withstand
4 A
20 A
1s Thermal Withstand
100 A
500 A
Dynamic (Half-wave) Withstand
250 A
1250 A
Input Impedance
<100 mΩ
<20 mΩ
Voltage Input Range
60–210 V AC
Same
Voltage Withstand (Continuous/10s)
240 V / 360 V
Same
Burden at Rated Voltage
<0.05 VA
Same
Energizing Inputs – Sensor-Based
Input Type
Value
Current Sensor Input (SIM0002)
75 mV to 9000 mV, withstand 125 V, 2–3 MΩ
Voltage Sensor Input (SIM0002)
346 mV to 1733 mV, withstand 50 V, 3 MΩ
Current Sensor Input (SIM0005)
75 mV to 9000 mV, 125 V withstand, 2 MΩ
Voltage Sensor Input (SIM0005)
346 mV to 2339 mV, withstand 50 V, 2 MΩ
Binary Inputs
Description
Value
Operating Range
±20% of rated voltage
Rated Voltage
24–250 V DC
Current Drain
1.6–1.9 mA
Power Consumption
31.0–570.0 mW
Threshold Voltage
16–176 V DC
Reaction Time
<3 ms
Applications
Primary protection of cable and overhead line feeders in distribution grids
Backup protection for substations and critical loads
Suitable for networks with any grounding method
Integration into digital substations using IEC 61850-9-2 LE process bus
Industrial and utility systems requiring compact, interoperable protection
Answer 1: PLC DCS Pro Ltd. collaborates with over 50 countries worldwide. As a leading supplier in China, we can provide significant discounts to customers based on market demand.
Question 2: What Is The Warranty Period?
Answer 2: We offer a standard one-year warranty for all new and original items.
Question 3: What Payment Methods Do We Accept?
Answer 3: We accept 100% T/T (Telegraphic Transfer) before shipping. For items with a lead time, a 30% deposit is required in advance, with the remaining 70% balance due before shipping. If you have an agent in China, please contact us for RMB transfer.
Question 4: What Shipping Methods Do We Use?
Answer 4: We primarily utilize carriers such as FedEx, DHL, UPS, BRE, etc. If you have an account with any of these carriers, you can arrange the shipping yourself. Additionally, we offer free shipping to China freight forwarders.
Question 5: What Is Our Delivery Time?
Answer 5: Typically, delivery takes around 1-3 days after receiving the advance payment. For items with a quoted lead time, delivery will occur as per the specified lead time.
Question 6: How Do We Package The Goods?
Answer 6: Our packaging process involves multiple layers of protection. Initially, the product is placed in its original box, sealed with a label. Then, we add a layer of bubble wrap to safeguard against collisions during transportation. Finally, all products are securely packed in sturdy boxes for further protection.
Question 7: How Can Customers Contact Us And Request A Quote?
Answer 7: Customers can inquire via email, WhatsApp, WeChat, Skype, or any preferred communication platform. Simply reach out to us, and we'll promptly provide a quote tailored to your needs.
Warranty Conditions
At PLC DCS Pro Ltd., we are committed to ensuring the quality of our products. Our one-year warranty provides coverage for any defects in material or workmanship, excluding damages caused by deliberate misuse.
🛡️Coverage Details:
This warranty encompasses all instances of product malfunction or failure due to inherent manufacturing flaws, with the exception of intentional damage.
📝Claim Process:
To avail of warranty services, please notify us of any quality-related issues within the warranty period. We may conduct online troubleshooting and examination as needed.
🚚Shipping Assistance:
We understand the importance of prompt service. Therefore, we cover return shipping costs for warranty-related returns within the first month of supply. Within three months of supply, we cover one-way shipping costs for warranty-related returns. After three months, the customer is responsible for shipping costs both ways.
🚫Exclusions:
Unauthorized modifications, repairs, or misuse of the product.