Wenzhou Ginri Power Automation Co., Ltd.
Wenzhou Ginri Power Automation Co., Ltd.
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GINRI MDB-501Z Voltage Current Phase Monitor Earth Fault Overload Control Motor Protection Relay
♦ Features
-- Compact modular size
-- Built-in LCD and keypad afford a precise,digital setting
-- Three-phase monitoring of short-circuit,locked-rotor,overcurrent, undercurrent, phase loss, phase unbalance,overload alarm
-- 1 or 2 phase monitoring of overvoltage,undervoltage
-- Earth fault (should couple with ZCT)
-- RS-485 communication port
-- DC4-20 mA analog output
-- Separated output contacts,two for trip,one for alarm
-- 4 LEDs for status indication
-- Fault recording with last 3 faults
♦ Protective Functions
-- Overload(Overcurrent)
-- Underload(Undercurrent)
-- Current Unbalance
-- Phase loss(Failure)
-- Current unbalance(Asymmetry)
-- Lock-rotor
-- Short circuit
-- Earth Fault
-- Overvoltage
-- Undervoltage
♦ Typical Applications
-- Pumps -- Fans -- Refrigeration Units -- Blowers
-- Motors -- Compressors -- Lifts,Elevators
-- Cranes -- Mining excavators and conveyors
♦ Technical data
| Model | MDB-501F |
| Structure | Separate |
| Power supply | AC220V,AC380V,50/60Hz |
| current Range | 0.3-16A,3-160A,10-999A |
| Measurement Error | 1% |
| Time-current characteristic | Definite & Inverse selectable |
| Reset mode | Manual/Auto/Power cycle |
| RS-485 Protocol | Modbus RTU |
| Output type | Trip:1 NO+NC, Alarm: 1NO |
| Power consumption | ≤ 5VA |
| Weight | 600g |
| contact capacity | 5A 250VAC,3A 380VAC |
| Dimension(L*W*D) | 90*70*106.5mm |
| Mounting | Flush Mount |
