Factory Manufacturing Motor Circuit Protector and AC Underload Motor Protection Relay

Product Details
Customization: Available
Theory: Electromagnetic Relay
Usage: Motor Protect
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  • Factory Manufacturing Motor Circuit Protector and AC Underload Motor Protection Relay
  • Factory Manufacturing Motor Circuit Protector and AC Underload Motor Protection Relay
  • Factory Manufacturing Motor Circuit Protector and AC Underload Motor Protection Relay
  • Factory Manufacturing Motor Circuit Protector and AC Underload Motor Protection Relay
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  • Overview
  • Product Description
  • Features
  • Specification
  • Application
  • Company Profile
  • Certifications
  • Our Service
  • FAQ
Overview

Basic Info.

Model NO.
MDB-301Z
Electricity Type
Ac
Number of Pole
2
Load
Medium Power Relay
Protective Characteristics
Enclosed Relay
Action Principle
Electromagnetic Type
Size
Miniature
Type
Electric Parameter Relay
Protect Feature
IP40
Contact Load
Low Power
Transport Package
Carton
Specification
10*10cm
Trademark
BJ
Origin
Zhejiang, China
Production Capacity
1000 Piece/Pieces Per Month

Product Description

Product Description

Motor Protection Relay is a relay used for motor protection. It can monitor the status of the motor, such as current, voltage,temperature, etc., and automatically cut off the power to protect the motor from damage when a fault occurs or the set limit is exceeded.
 

Features

 
 
Features
 
* With overcurrent, phase failure, overload underload protection.
* Rail mounted method for easy installation.
* Multiple reset methods for various needs.
* Digital intelligent motor protector, digital display, more convenient to observe motor status.
* Can better the of equipment.
 
 
 

Specification

Model
MDB-301Z
MDB-301F
Structure
Integrative
Separate
Mounting
Panel mounting & Din rail
Flush mounting
Power supply
AC220V,AC380V,50/60Hz
 
Current range
0.3-16A,3-160A,100-999A
***For 10-999A type,the relay should couple with external CT and set the CT ratio***
 
Measurement error
1%
 
Overcurrent delay
definite time:0.5-60s;
inverse time:1-5 trip class
 
Undercurrent threshold
Same as overcurrent,delay 0.5-60s
 
Start-up delay
0-200s
 
Locked-rotor threshold
1.5-8 time of overcurrent,delay 3s
 
Short circuit threshold
3-22 time of overcurrent,delay≤50ms
 
Current unbalance threshold
10-50%,delay 5s
 
Phase loss delay
2s
 
Ground fault threshold
30mA-2.5A,delay 1s
 
Overvoltage threshold
65-690V,delay 5s
 
Undervoltage threshold
65-600V,delay 5s
 
Auto-reset time
0.1-30minutes
 
Auto-reset count
1-10
 
Reset mode
Manual / Auto /power cycle
 
Output contacts
1NO+1NC
 
Contact capacity
5A/AC220V,3A/AC380V(Resistive)
 
Dimensions (L x W x D)
90×70×106.5mm
91 x 47 mm(cut-out hole size)

Application

 

Factory Manufacturing Motor Circuit Protector and AC Underload Motor Protection Relay

Company Profile


Factory Manufacturing Motor Circuit Protector and AC Underload Motor Protection Relay

Certifications


Factory Manufacturing Motor Circuit Protector and AC Underload Motor Protection Relay

Our Service


Factory Manufacturing Motor Circuit Protector and AC Underload Motor Protection Relay

FAQ


Factory Manufacturing Motor Circuit Protector and AC Underload Motor Protection Relay
 

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