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Range of product
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Harmony Relay
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Relay type
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Level control relay
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Product or component type
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Modular measurement and control relays
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Relay name
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RM22L
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Relay monitored parameters
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Detection by resistive probes
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Time delay
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Adjustable 0.1...30 s, +/- 10 % of the full scale value on crossing the threshold Tt
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Switching capacity in VA
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2000 VA
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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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8 A AC
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Utilisation category
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AC-15 conforming to IEC 60947-5-1
DC-13 conforming to IEC 60947-5-1
AC-1 conforming to IEC 60947-4-1
DC-1 conforming to IEC 60947-4-1
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Maximum switching voltage
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250 V AC
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Supply voltage limits
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323…456.5 V AC
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Output contacts
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2 C/O
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Nominal output current
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8 A
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Delay at power up
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2.5 s
0.6 s
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Maximum electrode voltage
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12 V AC
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Maximum electrode current
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1 mA
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Repeat accuracy
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+/- 2 % for time delay
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Measurement error
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< 1 % over the whole range with voltage variation
0.05 %/°C with temperature variation
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Maximum cable distance between devices
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1000 m between probe and delay
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Sensitivity scale
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0.25...5 kOhm LS (Low Sensitivity)
5...100 kOhm St (Standard Sensitivity)
50...1000 kOhm HS (High Sensitivity)
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Sensitivity adjustment
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5…100 %
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Maximum supply current for sensors
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1 mA
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Cable capacitance
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1 nF at HS (High Sensitivity) for probe cable
2.2 nF at St (Standard Sensitivity) for probe cable
4.7 nF at LS (Low Sensitivity) for probe cable
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Overvoltage category
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III conforming to IEC 60664-1
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Insulation
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Between supply and measurement
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Connections - terminals
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Screw terminals, 2 x 0.5...2 x 2.5 mm² (AWG 20...AWG 14) solid without cable end
Screw terminals, 2 x 0.2...2 x 1.5 mm² (AWG 24...AWG 16) flexible with cable end
Screw terminals, 1 x 0.5...1 x 3.3 mm² (AWG 20...AWG 12) solid without cable end
Screw terminals, 1 x 0.2...1 x 2.5 mm² (AWG 24...AWG 14) 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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Mounting support
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35 mm DIN rail conforming to EN/IEC 60715
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Mounting position
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Any position
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Electrical durability
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100000 cycles
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Mechanical durability
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10000000 cycles
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Contacts material
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Cadmium free
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Safety reliability data
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MTTFd = 182.6 years
B10d = 170000
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Width
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22.5 mm
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Net weight
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0.11 kg
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Immunity to microbreaks
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100 ms DC
90 ms AC
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Electromagnetic compatibility
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Immunity for residential, commercial and light-industrial environments conforming to EN/IEC 61000-6-1
Immunity for industrial environments conforming to EN/IEC 61000-6-2
Emission standard for residential, commercial and light-industrial environments conforming to EN/IEC 61000-6-3
Emission standard for industrial environments conforming to EN/IEC 61000-6-4
Electrostatic discharge - test level: 6 kV level 3 (contact discharge) conforming to IEC 61000-4-2
Electrostatic discharge - test level: 8 kV level 3 (air discharge) conforming to IEC 61000-4-2
Radiated radio-frequency electromagnetic field immunity test - test level: 10 V/m level 3 conforming to IEC 61000-4-3
Electrical fast transient/burst immunity test - test level: 4 kV level 4 (direct) conforming to IEC 61000-4-4
Electrical fast transient/burst immunity test - test level: 2 kV level 4 (capacitive coupling) conforming to IEC 61000-4-4
Surge immunity test - test level: 4 kV level 4 (common mode) conforming to IEC 61000-4-5
Surge immunity test - test level: 2 kV level 4 (differential mode) conforming to IEC 61000-4-5
Conducted and radiated emissions class B group 1 conforming to CISPR 11
Conducted and radiated emissions class B conforming to CISPR 22
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Standards
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EN/IEC 60255-1
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Product certifications
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GL
UL
CCC
EAC
RCM
CE
CSA
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Ambient air temperature for storage
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-40…70 °C
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Relative humidity
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93…97 % at 25…55 °C conforming to IEC 60068-2-30
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Vibration resistance
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0.075 mm (f= 10…58.1 Hz) not in operation conforming to IEC 60068-2-6
1 gn (f= 10…58.1 Hz) not in operation conforming to IEC 60068-2-6
0.035 mm (f= 58.1…150 Hz) in operation conforming to IEC 60068-2-6
0.5 gn (f= 58.1…150 Hz) in operation conforming to IEC 60068-2-6
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Shock resistance
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15 gn (duration = 11 ms) for not in operation conforming to IEC 60068-2-27
5 gn (duration = 11 ms) for in operation conforming to IEC 60068-2-27
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IP degree of protection
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IP20 (terminals) conforming to IEC 60529
IP40 (housing) conforming to IEC 60529
IP50 (front panel) 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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2.5 kV, 1 min AC 50 Hz conforming to IEC 60255-27
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Yes