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Range of product
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Harmony Control Relays
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Relay type
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Temperature control relays
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Product or component type
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Elevator machine room temperature control relay
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Product specific application
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For elevator machine rooms and 3-phase supplies
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Relay name
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RM35AT
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Relay monitored parameters
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Phase sequence
Phase failure detection
Undertemperature: -1...11°C
Overtemperature: 34...46°C
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Time delay range
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0.1...10 s adjustable delay (tolerance: 0...10 % of the full scale value)
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Switching capacity in VA
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1250 VA
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Minimum switching current
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10 mA at 5 V DC
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Maximum power consumption in VA
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3.5 VA AC
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Utilisation category
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AC-12 conforming to IEC 60947-5-1
AC-13 conforming to IEC 60947-5-1
AC-14 conforming to IEC 60947-5-1
AC-15 conforming to IEC 60947-5-1
DC-12 conforming to IEC 60947-5-1
DC-13 conforming to IEC 60947-5-1
DC-14 conforming to IEC 60947-5-1
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Time delay
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Adjustable 1...10 s Tt- time delay upon fault
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Measurement range
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208...480 V AC
+/- 1...46 °C
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Reset time
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8 s
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Maximum switching voltage
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250 V AC/DC
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[Us] rated supply voltage
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24...240 V AC/DC
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[Un] rated nominal voltage
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24...240 V AC/DC 50/60 Hz, non self-powered
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Supply voltage limits
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20.4…264 V AC
21.6…264 V DC
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Maximum power consumption in W
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0.6 W DC
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Resistance across terminals
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600 kOhm at 3-phase
1.33 kOhm at temperature
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Width
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35 mm
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Output contacts
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2 NO
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Contacts material
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Cadmium free
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Nominal output current
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5 A
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Delay at power up
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0.2 s
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Measurement accuracy
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+/- 2 °C
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Response time
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<= 3.5 s + Tt (in case of temperature fault)
500 ms (in case of 3-phase fault)
500 ms (on disappearance of fault)
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Temperature probe type
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Pt 100 - 3-wire
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Installed device
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Pt 100 probe cable length <= 10 m
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Marking
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CE : EMC 89/336/EEC
CE : 73/23/EEC
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Overvoltage category
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III conforming to IEC 60664-1
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Insulation resistance
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> 500 MOhm at 500 V DC between supply and relay output conforming to IEC 60255-5
> 500 MOhm at 500 V DC between measurement and relay output conforming to IEC 60664-1
> 1 MOhm at 500 V DC between supply and measurement conforming to IEC 60255-5
> 500 MOhm at 500 V DC between supply and relay output conforming to IEC 60664-1
> 500 MOhm at 500 V DC between measurement and relay output conforming to IEC 60255-5
> 1 MOhm at 500 V DC between supply and measurement conforming to IEC 60664-1
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[Ui] rated insulation voltage
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400 V conforming to IEC 60664-1
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Operating voltage tolerance
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- 10 % + 10 % Un DC
- 15 % + 10 % Un AC
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Supply frequency
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50/60 Hz +/- 10 %
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Operating position
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Any position without derating
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Connections - terminals
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Screw terminals, 1 x 0.5...1 x 4 mm² (AWG 20...AWG 11) solid without cable end
Screw terminals, 2 x 0.5...2 x 2.5 mm² (AWG 20...AWG 14) solid without cable end
Screw terminals, 1 x 0.2...1 x 2.5 mm² (AWG 24...AWG 12) flexible with cable end
Screw terminals, 2 x 0.2...2 x 1.5 mm² (AWG 24...AWG 16) flexible with cable end
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Tightening torque
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0.6…1 N.m conforming to IEC 60947-1
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Housing material
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Self-extinguishing plastic
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Local signalling
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1 LED green for power ON
1 LED yellow for correct temperature (high R1)/(low R2)
1 LED yellow for phases of relay
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Mounting support
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35 mm symmetrical DIN rail conforming to IEC 60715
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Electrical durability
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100000 cycles
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Mechanical durability
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30000000 cycles
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Operating rate
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<= 360 operations/hour full load
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Control type
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Without test button
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Immunity to microbreaks
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10 ms
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Electromagnetic compatibility
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Emission standard for industrial environments conforming to IEC 61000-6-4
Emission standard for residential, commercial and light-industrial environments conforming to IEC 61000-6-3
Immunity for industrial environments conforming to NF EN/IEC 61000-6-2
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Standards
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NF EN 60255-6
IEC 60255-6
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Product certifications
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GL
UL
C-Tick
CSA
GOST
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Ambient air temperature for storage
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-40…70 °C
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Ambient air temperature for operation
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-20…50 °C
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Vibration resistance
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0.35 mm (f= 5…57.6 Hz) conforming to IEC 60068-2-6/IEC 60255-21-1
1 gn (f= 57.6…150 Hz) conforming to IEC 60068-2-6/IEC 60255-21-1
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Shock resistance
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15 gn for 11 ms conforming to IEC 60255-21-1
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IP degree of protection
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IP20 (terminals) conforming to IEC 60529
IP30 (casing) conforming to IEC 60529
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Pollution degree
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3 conforming to IEC 60664-1
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Dielectric test voltage
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2 kV, 1 min AC 50 Hz
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Non-dissipating shock wave
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4 kV
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Yes