Description
Overview
GAOTek Motor Protection Relay Controller is designed for low-voltage motor circuits with rated voltages up to 660 V, integrating protection, measurement, control, communication, operation, and maintenance functionalities. It ensures the safe operation of motors through comprehensive protection features and possesses logic programmable functions to support a variety of control methods. Additionally, it offers flexible communication options to meet the needs of field communication, providing versatile solutions for motor protection and management.
Features
- Suitable for low-voltage motor circuits with rated voltage up to 660V.
- Integrates protection, measurement, control, communication, operation, and maintenance functions.
- Provides comprehensive protection, including startup timeout, over-load, under-load, short circuit, stall, block, current unbalance, lack of phase, phase sequence, overflow protection, and insulation monitoring.
- Offers alarms for the number of starts, running time, and the number of faults.
- Supports grounded protection.
- Compatible with Modbus-RTU and Profibus-DP communication protocols (optional).
- Measures three-phase current and positive sequence, negative sequence, zero-sequence current, and frequency.
- Optionally features a monochrome LCD display.
Technical Specifications
Function | Item | ARD3M | ARD2F |
Application Occasions | Low Voltage 0.4 KV to 1.14 KV Motor Protection | ||
Rated Current | 1 (ratio) (0.1 A to 5000 A) 5 (ratio) (0.1 A to 5000 A) 25 (6.3 A to 25 A) 100 (25 A to 100 A) 250 (63 A to 250 A) 800 (250 A to 800 A) |
1(ratio) (0.1 A to 999 A) 5(ratio) (0.1 A to 999 A) 1.6 (0.42 A to 1.5 A) 6.3 (2 A to 5 A) 25 (6.5 A to 21 A) 100 (28.5 A to 81 A) 250 (100 A to 240 A) 800 (285 A to 437 A) |
|
Signal | DI | 10+ | 9 |
DO | 6+ | 2+3 | |
Start Control | Yes | ||
4 mA to 20 mA Output | Optional | Optional | |
2 channels of 4 mA to 20mA Output | Optional | ||
Fault Record | 8 | Optional | Optional |
Running Record | 5 h | Optional | |
Waveform Record | 40 | Optional | |
DI Displacement Record | 8 | Yes | Optional |
Start And Stop Records | 8 | Yes | Optional |
Restart Record | 8 | Yes | Optional |
Dimension | Panel mm | 3.86 in x 2.36 in (98 mm x 60 mm) | 3.54 in x 2.76 in (90 mm x 70 mm) |
Cut to out mm | 3.62 in x 2.17 in (92 mm x 55 mm) | 3.39 in x 2.60 in (86 mm x 66 mm) |