Technical information

J-39
Above prices do not include VAT. E&OE
Monitoringdevices
Function
temperature relay thermistor relay
tachometer relay
multi-range
defrost timer
Model
T1R ( SPDT ) TPR1/M RRP1 ( SPDT )
DEF1/F
with fan delay
Description of operation
Directlyinterfacewithconven-
tionalPT100(3wire)sensors,
therelayenergisesandremains
sountilpre-setmaximum
temperaturelimitisreached.
Whereupontherelayresets
untilthetemperaturedrops
belowthehystaria.
Canbeconfiguredfor
heatingorcoolingapplications.
Hysteresis5-50%
TypicallyusedforprotectionofAC
andDCmotorwindingsequipped
withembedddedthermistors.
Undernormalconditionsrelayis
energised,whenoneofthethermo-
detectorsreachestrippingtempe-
raturetherelayisreset.Therelay
willenergiseagainwhentempe-
raturefallsatleast5°Cbelowtrip
value.Alatchfacilitycanbe
enabledbybridgingpins8+9.
Resetisobtainablebyfront
mountedmembraneswitchorN/C
remotep/button.Afrontmounted
test button is also incorporated.
Programmablefor:
speeddetection.Relayremains
energisedforaslongasdetected
speedremainswithinthepre-set
limits.Relayresetsifdetected
speedexceedsupper(overspeed)
ordropsbelow(underspeed)
pre-setlimit.Interfacesdirectly
withNamur(2wire)proximityor
limitswitches.
Selectablecycletimes
4-6-8-12hr.Onenergisation
the(3-60min)“defrost”time
beginswhereafterthe“cooling”
cycletakesplace.Bridging
pins5+6overridesthedefrost
time,startingthecoolingcycle
first.
Theunit incorporatesa0.3-6min
fandelayoperatingoninitiation
ofeverycoolingcycle.LED
indicationof“cooling”,“defrost”
“fanon”.
Standard voltages
AC:12,24,48,110,230,400,525V±15%
DC:12,24,48V±15%
Galvanic isolation
110,220,400,525Vareequippedwithinternaltransformer,providingeffectivegalvanicseparationofthe
electroniccircuitryfromsupplyvoltage(testvolts:2kV)
General information
Selectabletemperatures:
-20°-80°C
80°-180°C
Usedforprotectionofmotors
withthermistorembeddedinto
windings
LEDindicationof“normal”and
tripped condition
P.T.C.voltage≤2.5V
TPR1/Mhasfaultmemoryafter
powerloss
Selectablespeeds:
Defrost3-60min
Fan0.3-6min
Contact rating
10A250Vac
Consumption
AC:±2.4VA
DC:±100mA
AC:±2.4VA
AC:±2.4VA
DC:±100mA
AC:±2.4VA
DC:±100mA
Technical information
Interfaceswithconventional
3wireor2wirePt100
temperature sensors
Numberofthermistorstobe
connectedarelimitedbythesum
ofresistanceofalldetectorsin
seriesnotexceeding1.5kohm
at25°C
Connection diagram
Price 478.00 426.00 426.00 478.00
1
3
4
2
10
5
6
7
Supply
9
8
Latch
facility
Defrost
Cooling
Fan
1
3
4
11
9
8
2
10
5
6
7
Supply
Temp. Override
Namur sensor
1
3
4
2
10
5
6
7
Supply
9
8
Latch
facility
Pt100
1
3
4
2
10
5
6
7
Supply
9
R2
R1
W
8
Latch
facility