A DCS Q Co., Ltd. - PLC and DCS Industrial Control Equipment Wholesale
Introduction
The ABB PR122/P-LSIG E1-E6 (1SDA058198R1) is a high-performance electronic overcurrent release unit designed for ABB SACE Emax air circuit breakers. It is part of the PR122 protection series, widely used in low-voltage power distribution systems where reliable fault detection and selective protection are essential.
This release unit provides advanced L-S-I-G protection functions (Long-time, Short-time, Instantaneous, and Ground fault), ensuring safe operation of electrical networks in industrial and infrastructure applications.
Technical Specifications
| Parameter | Details |
|---|---|
| Product Type | Electronic Overcurrent Release |
| Manufacturer | ABB |
| Model | PR122/P-LSIG E1-E6 |
| Part Number | 1SDA058198R1 |
| Compatible Breakers | ABB SACE Emax (E1–E6 frames) |
| Protection Functions | L, S, I, G (Long-time, Short-time, Instantaneous, Ground fault) |
| Technology | Microprocessor-based protection unit |
| Display | Integrated LCD interface (system dependent) |
| Current Measurement | True RMS sensing via current transformers |
| Communication | Optional modules (e.g., Modbus / fieldbus via add-ons) |
| Adjustable Settings | Thresholds, delays, and curve types |
| Operating Temperature | -25°C to +70°C |
| Storage Temperature | -40°C to +70°C |
| Mounting Type | Installed within circuit breaker frame |
| Weight | Approx. 1.0 kg |
