Intelligent Digital Motor Thermal Protector Relay Used for 3 Phase Electric Motor with Temperature Protection Function

• Theory: Electromagnetic Relay
• Usage: Motor Protect
• Phase: 3
• Electricity Type: Ac
• Number of Pole: 2
• Load: Medium Power Relay
• Model NO.: PR240 series
• Protective Characteristics: Enclosed Rlay
• Action Principle: Electromagnetic Type
• Size: 96*48mm
• Type: Electric Parameter Relay
• Protect Feature: Automatic Trig
• Contact Load: 5A*220V
• Transport Package: Please Consult with Us for More Detail Information
• Specification: 10*10cm
• Trademark: BlueJay Technology
• Origin: Chongqing, China
• Production Capacity: 10000 Piece/Pieces Per Day

Product Description

 

PR 240 electronic motor protection relay is an excellent choice for telemetry applications to monitor, meter and control Motor. Its small size, low cost and remote HMI options make the relay a perfect option for power distribution systems to be used in end-of-line monitoring and power metering.

 

PR240 motor temperature protection relay offers low-voltage motor protection in almost all applications, including pumping, air-based, chiller, and bulk-material applications. The motor thermal relay can be configured as full range of medium-voltage, three-phase induction and synchronous motors protect relay.

Feature

* Panel mounting HMI unit and Din-rail mounting control unit

* Suitable for Motor under 0.66KV and any current range

* HMI unit provides 3-phase current voltage monitors, Power Measurement

* Control unit builds in 200A CT, out of range use .../5A CT connect

* Abundant protection modes can be freely selected to alarm or trip

* Can select a variety of startup modes for different wiring application

* RS-485 network communications

* 4 digital outputs, and 7 digital inputs

* Optional 1 programmable analog output

 

Specification

 

The working environment of PR 240 Intelligent Motor Management Relay

Motor-rated voltage:	AC380V / AC660V
Motor rated current:	0.5-820A
Working temperature:	-10C ~ +55C
Storage temperature:	-25C ~ +70C
Relative humidity:	< 93% RH
Elevation:	not more than 3000 m
Atmospheric conditions:	installation site does not allow the explosive medium, containing gas to corrode metal and damage the insulation and conductive medium.

Measuring accuracy of PR 240

Current:	± 0.5% @ 10% to 200% of Ie
Voltage:	± 0.5% @ 10%~150%Ue
Frequency:	± 0.1% @ 45 ~ 65Hz
Power factor:	± 1.0% @ 0 ~ 1.000
Active Power	± 1.0% @ 0 ~ 500kW
Leakage current:	± 1% @10% to 100% of Ir
Analog Output:	± 1% @4 ~ 20mA

Electrical parameters of PR 240 Motor Protector

Auxiliary Power:	AC90-240Vac/dc
Power consumption:	<10 VA
Insulation resistance:	> 100MΩ
Relay:	Alarm relay @ 5A / 250VAC, 5A / 30VDC (NO node)

Electrical test of PR 240 Motor Protection Relay:

IEC 61000-4-2	level III
IEC 61000-4-4	level III
IEC 61000-4-5	level III
IEC 61010-1	AC2kV/1min Between power / input / output

 

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