Vemer PSR400 User manual

Brand: Vemer

Model: PSR400

Type: User manual

V3IS00200-031

Mod. PSR

User Manual

PHASE CONTROL RELAY

Read all the instructions carefully

 ThephasesequencerelayPSR is an electronic command device in a standardised

2-module DINcontainer,tocontrolvoltage-asymmetryandphase-sequenceinthree-

phasesystems.

SAFETY WARNINGS

During the installation and operation of the instrument, proceed in accordance with the

instructions below:

1) The instrument should be installed by a competent operator following the

installation diagrams carefully

2) The instrument should be installed in a panel from which no access can be gained to

the terminals after installation

3) Do not power or connect the instrument if any part of it is damaged

4) The electrical system of the building in which the instrument is to be installed

should have a switch and a protective device against over-currents

5) The instrument is designed for installations with over-voltage category III and

pollution level 2, in accordance with the EN 61010-1 standard

Code Model Description

VP807200 PSR Phase-controlrelay

TECHNICAL SPECIFICATIONS

• Powersupply:

400 V

~ 50 Hz

• Absorption:4VA(3W)

• Terminals:6mm2block

• Output:

 –relaywithcontactinexchange8A/250V~

 –maximumswitchablepower2000VAcos =1

• Sensitivity:70%÷95%ofratedvalue

• Interventiontime:2s

• Resettime:2s

• Hysteresisonreset:2%

• Signalling:RedLEDrelayintervention

• Operatingtemperature:–5°C÷+50°C

• Storagetemperature:–10°C÷+70°C

• Humidity:20%÷90%non-condensing-

• Insulation:powersupplyandcommandcircuitsgalvanicallyisolatedfromeachotherat

reinforcedinsulationlevelinaccordancewiththeEN61010standard

• Container:2DINmodules,colourRAL-7035

• Containermaterial:self-extinguishinginclassV0inaccordancewiththeUL-94standard

• Degreeofprotection:IP20/IP40whencorrectlyinstalledinanelectricalpanel

USE

• Applicationsineverycasewhereitisessentialtoadheretothephasesequenceupon

wiringortopreventsignicantoscillationsofthepowersupplyvoltageinnetwork.

• Therelaydetectstheexactphasesequenceinthree-phasesystemsandvoltageunbalance

causedbythereductionorabsenceofaphase.

OPERATION

• Theoutputrelayisexcited(

“Relay ON”

ledon)onlyifallthreephasesarepresent

andtheirsequencecorrespondstothesealontheinputterminals(seethe

“Operating

diagram 1”

• Whenoperative,theoutputrelaydropsout(

“Relay ON”

ledoff)ifthesequenceofthe

phasesisaltered,ifaphaseisabsentorifthevoltageunbalanceofthephasesexceedsthe

calibrationvalue(seethe

“Operating Diagram 1 and 2”

• Thesensitivityoftherelayisadjustablebymeansofthe

“ASYMMETRY (%)”

trimmer

onthefrontofthedevice,from95%to70%oftheratedvalue,tosetitduringinstallation

fortheunbalancevalueofthenetworkvoltagethatmaybetoleratedbytheunitorsystem

tobeprotected(seethe

“Operating diagram 2”

• Toavoidundesirableinterventionsbythedeviceinthepresenceofslightvoltage

unbalance,werecommendstartingtheadjustmentsfromthemaximumasymmetry

(70%ofUn).

• Theresetisautomaticwhenthenormalpowersupplyconditionsarerestoredorwhenthe

sequence error is corrected.

• Afteraninterventionduetophaseasymmetry,theresethasahysteresiswhichmakesit

possibletore-excitetheoutputrelaywhenthevoltagevaluereturnsaboveacertainxed

leveloftheThresholdofAsymmetry(seethe

“Operating Diagram 2”

RIFERENCE STANDARDS

ConformitytotheEUdirectives:

2006/95/EC(LowVoltage)

89/336/EECmodiedby92/31/EECand93/68/EEC(EMC)

isdeclaredwithreferencetothefollowingharmonisedstandards:

Safety:

EN61010-1

Electromagnetic compatibility:

EN61000-6-2,EN61000-6-4

Dimension

Connection diagram

Operating diagram 1

36 60

Relay

PSR

Asymmetry

(%)

8A / 250 V ca

Operating diagram 2

Relay

HYSTERESIS

ASYMMETRY THRESHOLD %

Relay

Vemer PSR400 User manual

Vemer PSR400 User manual

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