Product Description

Overview

The ABB RET615E-1G is a compact protection and control relay designed for two-winding transformers in modern utility and industrial power networks. It belongs to the Relion® 615 series, which is widely recognized for its reliability, cyber-secure operation, and strong performance in digital substations. Moreover, its intelligent design helps operators maintain dependable transformer protection while supporting flexible system integration.

Technical Specifications

Attribute — Specification
Model Number — RET615E_1G HBTFBCADABC1ANN11G
Product Family — ABB Relion® 615 series
Type — Transformer protection and control relay
Rated Voltage Supply — 24–250 V DC / 100–240 V AC
Rated Current Inputs — 1 A / 5 A
Frequency — 50 / 60 Hz
Protection Functions — Differential, overcurrent, earth fault, voltage, frequency
Control Functions — Breaker control, isolator control, interlocking
Recording — Up to 1000 events, disturbance records, waveform capture
Communication — IEC 61850 Ed.2, IEC 60870-5-103, Modbus, SPA
Operating Temperature — –25 °C to +55 °C
Dimensions — 177 × 214 × 270 mm
Weight — 4.1 kg
Mounting — Flush or panel mounting
Certifications — IEC, ANSI, CE, RoHS
Condition — New with original package

FAQ

Q1: Does the RET615E-1G support digital substation communication?
Yes, the relay fully supports IEC 61850 Edition 2, Modbus, and IEC 60870-5-103.

Q2: Can this relay handle both 1 A and 5 A current inputs?
Yes, it supports both rating levels, offering flexibility for various CT configurations.

Q3: What transformers is the RET615E-1G designed for?
It is optimized for two-winding power transformers in utility and industrial networks.

Q4: Does the relay include event and disturbance recording?
It stores up to 1000 events, including waveform capture for detailed post-fault analysis.

Q5: Is maintenance simplified with the 615 series design?
Yes, the withdrawable design and modular architecture reduce installation and service time.