ABB RET615E-1G Relion 615 Series Transformer Protection Relay
Manufacturer: ABB
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Part Number: RET615E_1G HBTFBCADABC1ANN11G
Condition：New with Original Package
Product Type: Protection Relays
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Country of Origin: Sweden
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
ABB RET615E-1G Transformer Protection and Control Relay
Configured for two-winding transformer protection in utility and industrial power networks, the ABB RET615E-1G (RET615E_1G HBTFBCADABC1ANN11G Transformer Protection and Control Relay) provides direct physical and electrical execution for fault detection and breaker control.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | RET615E-1G (HBTFBCADABC1ANN11G) |
| Brand | ABB |
| Origin | Manufacturer standard |
| Weight | 4.1 kg |
| Dimensions | 177 mm × 214 mm × 270 mm |
| Operating Temp | -25 deg C to 55 deg C |
| Power Consumption | Universal 24–250 V DC / 100–240 V AC |
| Rated Current Inputs | 1 A / 5 A (selectable) |
| Protection Functions | Differential, overcurrent, earth fault, voltage, frequency |
ABB Relion 615 Series Technical Attributes
The ABB RET615E-1G utilizes an integrated communication architecture supporting IEC 61850 Edition 2, which facilitates deterministic data exchange within digital substations. The relay hardware provides high-fidelity waveform capture and disturbance recording, enabling accurate post-fault analysis via local or remote HMI ports. Its modular, withdrawable design ensures that control logic remains isolated from the primary power circuits during maintenance cycles. Furthermore, the relay features programmable interlocking and control functions for breaker and isolator management, maintaining system stability during grid transients and fault clearing operations.
Frequently Asked Questions
Q: How does the RET615E-1G manage compatibility with varying current transformer (CT) secondary ratings?
A: The relay is hardware-configurable to accept either 1 A or 5 A inputs, allowing it to integrate directly into existing CT circuits without requiring external matching transformers.
Q: What are the primary communication capabilities of this model?
A: The device provides multi-protocol support, including IEC 61850 Ed.2 for digital substation integration, alongside legacy support for IEC 60870-5-103, Modbus, and SPA protocols for wide-area network compatibility.
Field Installation Guidelines
Before installing the ABB RET615E-1G, ensure the panel cutout matches the specified dimensions to maintain IP protection ratings. Verify that all secondary CT circuits are short-circuited before terminating wires to the relay to prevent high-voltage buildup. Connect the protective earth terminal directly to the panel ground bus using a low-impedance conductor. Route communication cables through dedicated conduits to isolate them from high-voltage primary circuits, minimizing the risk of induced electromagnetic interference on the relay communication ports.