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Intelligent Digital Motor Protection Relay Overload Phase Failure Protector
♦ Features
-- Compact modular size
-- Built-in LED and keypad afford a precise,digital setting
-- Three-phase monitoring of overload,phase loss, current unbalance
-- Adjustable reset mode:automatic reset or manual reset
-- Adjustable power-on delay
-- 1 C/O output contact
-- Fault latch
♦ Protective Functions
-- Overload(Overcurrent)
-- Phase loss(Failure)
-- Current unbalance(Asymmetry)
♦ Typical Applications
-- Pumps -- Fans -- Refrigeration Units -- Blowers
-- Motors -- Compressors -- Lifts,Elevators
-- Cranes -- Mining excavators and conveyors
♦ Technical data
Model | MDB-201Z |
Structure | integrative |
Power supply | AC220V,AC380V,50/60Hz |
Current range | 2-99A |
Measurement error | 1% |
Power-on delay | 0-999s |
Current unbalance threshold | 0-40% |
Start-up delay | 1-30s |
Overload delay | 1-30s |
Auto-reset count | 0-99 |
Auto-reset time | 1-99 minutes |
Reset mode | Manual / Auto /power cycle |
Output contacts | 1CO |
Contact capacity | 5A/AC220V,3A/AC380V(Resistive) |
Dimensions (L x W x D) | 90×70×106.5mm |
Mounting | Din rail & screw fixing |
The importance of motor protector in national economy and energy conservation
Motor protectors (motor protectors) are important components for power generation, power supply, and power systems. It is an energy-saving electromechanical product with cross-industry, large volume and remarkable energy-saving effect. It is almost infiltrated into all areas of electricity use; it is an important guarantee for industrial, agricultural and national defense construction and normal production and safety of people's lives, and has an irreplaceable important position and role in the national economy and energy conservation.