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Range of product
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Harmony Control Relays
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Relay type
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Multifunction control relay
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Product or component type
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3-phase control relay
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Product specific application
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For 3-phase supply
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Relay name
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RM17TU
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Relay monitored parameters
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Undervoltage detection
Phase sequence
Phase failure detection
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Time delay
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Adjustable 0.1...10 s, +/- 10 % of the full scale value Tt- time delay upon fault
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Switching capacity in VA
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1250 VA
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Measurement range
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208...480 V AC
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Contacts type and composition
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1 C/O
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[Uc] control circuit voltage
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208...480 V
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Reset time
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1500 ms time delay
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Maximum switching voltage
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250 V AC
250 V DC
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Minimum switching current
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10 mA at 5 V DC
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Maximum switching current
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5 A AC
5 A DC
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[Un] rated nominal voltage
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, self-powered
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Supply voltage limits
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183…528 V AC
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Control circuit voltage limits
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- 12 % + 10 % Un
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Power consumption in VA
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0…22 VA at 400 V AC 50 Hz
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Control circuit frequency
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50...60 Hz +/- 10 %
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Output contacts
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1 C/O
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Nominal output current
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5 A
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Measurement voltage limits
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183…528 V AC
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Hysteresis
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2 %
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Delay at power up
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650 ms
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Maximum measuring cycle
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150 ms measurement cycle as true rms value
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Threshold adjustment voltage
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2...20 % of Un selected
-2...-12 % in the range 208 V AC
-2...-17 % in the range 220 V AC
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Voltage range
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208...480 V phase to phase
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Repeat accuracy
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0.5 % for input and measurement circuit
3 % for time delay
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Measurement error
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< 0.05 %/°C with temperature variation
< 1 % over the whole range with voltage variation
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Phase failure sensitivity
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0.7 Un
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Response time
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< 200 ms (in the event of a fault)
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Marking
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CE
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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 conforming to IEC 60255-5
> 500 MOhm at 500 V DC 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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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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LED (green) for power ON
LED (yellow) for relay ON
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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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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
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Safety reliability data
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MTTFd = 502.2 years
B10d = 470000
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Width
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17.5 mm
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Net weight
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0.13 kg
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Control type
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Without test button
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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 IEC 61000-6-2
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Standards
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IEC 60255-1
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Product certifications
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GL
GOST
UL
C-Tick
CSA
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Directives
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73/23/EEC - low voltage directive
89/336/EEC - electromagnetic compatibility
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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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Relative humidity
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95 % at 55 °C conforming to IEC 60068-2-30
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Vibration resistance
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0.35 mm (f= 5…57.6 Hz) conforming to IEC 60068-2-6
1 gn (f= 57.6…150 Hz) conforming to 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 conforming to IEC 60255-5
2 kV, 1 min AC 50 Hz conforming to IEC 60664-1
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Non-dissipating shock wave
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4 kV conforming to IEC 60255-5
4 kV conforming to IEC 60664-1
4 kV conforming to IEC 61000-4-5
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REACh Declaration