ABB RET670 1MRK002816-AC Transformer Protection Relay 12-Month Warranty

FAQ

Q1: What types of transformers can ABB RET670 protect?
A1: RET670 is suitable for two- and three-winding transformers, autotransformers, phase-shifting transformers, generator-transformer units, and small busbar systems.

Q2: What communication protocols are supported?
A2: Supported protocols include IEC 61850, IEC 60870-5-103, DNP 3.0, SPA, and LON.

Q3: What protection functions are included?
A3: It includes differential, distance, overcurrent, earth fault, overload, over/under voltage, and frequency protections.

Q4: Does the relay have disturbance and event recording?
A4: Yes, RET670 integrates a disturbance recorder for up to 40 analog and 96 binary signals.

Q5: Can it support redundant or multi-breaker configurations?
A5: Yes, it supports complex configurations with up to six CT inputs, ideal for multi-breaker stations.

Q6: Is there a local HMI?
A6: Yes, it features a local HMI with small or medium-size LCD for on-site operation and navigation.

Q7: How is time synchronization handled?
A7: It supports time synchronization via GPS, IRIG-B, IEC 61850, LON, SPA, or binary inputs.

Q8: What are the dimensions and weight of the RET670?
A8: Dimensions are 265.9 × 223.7 × 242.1 mm, and it weighs 10 kg.

1MRK002816-AC ABB RET670 Transformer Protection Relay

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