Products

PRE 431S Pro & PRE 661 & PRE 431 Protective Relay Test System

Protective relay test systems are designed for testing, commissioning and maintenance of protection relays in substations, power plants and industrial electrical systems. Supporting comprehensive voltage and current output with high measurement accuracy, they provide efficient solutions for relay verification, fault simulation and system commissioning.

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Product Overview

Section 1 : PRE 431S Pro Hand-held Relay Test System

 Introduction 
The PRE 431S pro Hand-held Relay Test System weighs just 3.2kg and battery inside.The tester also is the engineer’s ultimate toolbox that addresses the increasing need for three-phase testing capability in electrical distribution substations, renewable power generation stations and industrial applications. 
The intuitive user interface is presented on the LCD touch screen. It has three current and four voltage sources and a versatility of measurement possibilities.
 Benefit 
Individually 3 current & 4 voltage sources
Light weight and portable, just 3.2 kg
10.1" industrial Hi-bright touch screen
Stand-alone functionality
Built-in lithium battery, convenient for outdoor use
 Features 
 Specifications 
Voltage generators Current generators
Output range 4-phase AC(L-N) 4×0~125V Output range 3-phase AC(LN) 3×0~12.5A
2-phase AC(L-L) 2×0~250V 1-channel DC(L-N) 1×0~±6A
1-channel DC(L-N) 1×0~±125V
Power
4-phase AC 4×30VA
1-channel DC(L-L) 1×0~250V 1-channel DC 1×30VA
Power 4-phase AC 4×30VA
Inaccuracy AC
<2mA,at 0~0.5A
1-channel DC 1×30VA ±0.2%,at 0.5~12.5A
Inaccuracy AC <10mV, at 0~2V
Inaccuracy DC
<5mA,at 0~1.0A
±0.2%, at 2~125V ±0.2%,at 1~6.0A
Inaccuracy DC <10mV, at 0~5V
Output time
0~3A Continuous
±0.2%, at 5~125V 3~10A 60s
Output time Continuous 10~12.5A 30s
Resolution 10mV Resolution 10mA
Binary inputs General
Number 2 Frequency Range 10~1000Hz
Modes Potential-sensing(o~250VDC) or
potential-free (automatic recognition)
Resolution 0.001Hz
Max measuring time Infinite Phase Angle range -360°~360°
Binary outputs Accuracy <0.2°(at 50/60Hz)
Number 2 Resolution 0.1°
Type Quick output contacts Time measurement Range 0.1ms~3600s
Update rate 100µs Resolution 0.1ms
Breaking capacity Vmax: 250VDC / Imax: 0.3A Others
Power supply Environmental conditions Operating temperature: -10~50
Input charge voltage 100~240VAC Humidity: 90%
Nominal frequency 50 / 60Hz PC connection Ethernet, 10M / 100M
Permissible frequency 45~65Hz Ground socket (earth) 4mm banana socket
Charging voltage 16.8V Net size 270×190×60mm
Battery 12.8Ah Net weight 3.2kg

 Typical application areas 
Commissioning and maintenance of distributed and generator power Substation
Protection relays : Electromechanical relays ,Static relays ,Numerical relays ,Self-powered relays

Section 2 : PRE 661 6 Current and 6 Voltage Relay Test System

 Introduction 

The internal modular design of the instrument can independently complete the testing and debugging of devices and components in the professional fields of relay protection, excitation, metering, wave recording, etc.
 Benefit 
Manual and PC remote control
Easy to use
Excellent software provides great visuals and simple setup 
Light weight and portable
 Features 
 Specifications 
Voltage generators Current generators
Output range
(effective value)
6-phase AC (L-N) 
6×0~120V
Output range
(effective value)
6-phase AC (L-N)
6×0~30A
2-phase AC (L-L) 
2×0~240V
1-phase AC (6L-L) 
1×0~180A
DC (L-N)
6×0~±160V
1-phase AC (L-L)
1×0~30A
DC (L-L)
2×0~±320V
DC (L-N)
6×0~±10A
Power
AC (L-N) 
80VA
DC (3L-N)
1×0~±30A
AC (L-L) 
100VA
Power
AC (L-N)
450VA
DC (L-N)
70VA
DC (L-N)
200VA
DC (L-L)
140VA
Accuracy
AC output
0.1%
Accuracy
AC output
0.1%
DC output
0.2%
DC output
0.2%
Output time
0~10A
continuous
Output time
Continuous output
10~20A
30s
Resolution
10mV
20~30A
10s
General
30A
5s
Frequency
Range
0~1200Hz
Resolution
1mA
Resolution
0.001Hz
Others
Phase 
Angle range
-360°~360°
PC connection 
Ethernet, 10M/100M
Resolution
0.1°
Ground socket(earth) 
4mm banana socket
Time measurement
Range
0.1ms~9999s
Net Size
400×200×402mm
Resolution
0.1ms
Net Weight
20kg
Binary inputs 
Binary outputs 
Number 
10 (each fully isolated)
Number
8
Modes
Potential-free or potential-sensing (automatic recognition)
Type
4 (1-4) relay and 4 (5-8) quick output contacts
Max measuring time
Infinite
Breaking capacity
Vmax: 250VAC/ Imax: 0.5A
Auxiliary DC supply
Vmax: 250VdC/ Imax: 0.3A
Voltage 
110V/220V (switch between)
Power supply
Power
>100W
Nominal input voltage
175~260VAC
Nominal frequency  
50/60Hz

Section 3 :PRE 431 3 Current and 4 Voltage Relay Test System

Offers four voltage and three current channels,other technical parameters are the same as PRE 661.