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Range of product
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EOCR
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Device short name
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EOCR-3MZ2
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Product or component type
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Protection relay
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Protection type
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Overload, In > OC setting
Underload, In < UC setting
Locked rotor for starting, In > 2...8 times OC setting
Locked rotor for running, In > 1.5...5 times OC setting
Sensitivity to phase loss
Phase unbalance, 10...50 %
Earth fault, Ig > Ig setting
Sensitivity to phase reverse
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Product specific application
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Motor protection
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Network type
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AC
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Network frequency
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50...60 Hz
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Protection ajustment range
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0.5…60 A
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Tripping threshold
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0.5...32 A (inverse and thermal)
0.5...60 A (definite)
0.03...10 A (definite) - earth fault current
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[Us] rated supply voltage
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100...240 V AC/DC
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Mounting support
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35 mm DIN rail
Panel
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Contacts type and composition
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1 NO (GR)
1 NO (OL)
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Short-circuit and overload protection
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By 4 A gG fuse
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[Ue] rated operational voltage
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600 V AC 50...60 Hz for power circuit conforming to UL
690 V AC 50...60 Hz for power circuit conforming to CSA
690 V AC 50...60 Hz for power circuit conforming to IEC 60947-4-1
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[Uimp] rated impulse withstand voltage
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6 kV conforming to IEC 60947-4-1
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Reset
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Manual reset
Automatic reset 0.5…1200 s
Electrical 0…1 s by interruption of power supply
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Time delay type
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D-Time: 0...200 s
O-Time: 0.2...30 s (definite)
O-Time: 1...30 class (inverse and thermal)
U-Time: 0.5...30 s
E-Time: 0.05...10 s
Ed-Time: 0...30 s
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Display type
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7 segments LED
Bar graph
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Power consumption per relay
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3 W
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Connections - terminals
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Control circuit: cable 2 x 1…1.5 mm²flexible with cable end - M3
Control circuit: cable 2 x 1…1.5 mm²flexible without cable end - M3
Control circuit: cable 1 x 1…2.5 mm²flexible with cable end - M3
Control circuit: cable 1 x 1…2.5 mm²flexible without cable end - M3
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Tightening torque
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Control circuit: 0.8...1.2 N.m on cable, 4.7 mm
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Height
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74.5 mm
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Width
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150 mm
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Depth
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155 mm
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Net weight
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0.893 kg
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Standards
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IEC 60947-4-1
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Product certifications
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UL
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IP degree of protection
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IP20 conforming to IEC 60529
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Ambient air temperature for operation
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-20…60 °C conforming to IEC 60947-4-1
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Ambient air temperature for storage
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-40…85 °C
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Operating altitude
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2000 m
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Fire resistance
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650 °C conforming to IEC 60695-2-12
960 °C conforming to UL 94
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Shock resistance
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15 gn for 11 ms conforming to IEC 60068-2-7
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Vibration resistance
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4 gn on panel mounting conforming to IEC 60068-2-6
2 gn on 35 mm DIN rail conforming to IEC 60068-2-6
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Dielectric strength
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2 kV 50...60 Hz in between case and circuit conforming to IEC 60255-5
1 kV 50...60 Hz in between contact conforming to IEC 60255-5
2 kV 50...60 Hz in between circuit conforming to IEC 60255-5
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Surge withstand
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6 kV conforming to IEC 61000-4-5
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Electromagnetic compatibility
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Resistance to radiated electromagnetic fields: 10 V/m level 3 conforming to IEC 61000-4-3
Resistance to electrostatic discharge: 8 kV air, 6 kV contact conforming to IEC 61000-4-2
Resistance to fast transient: 2 kV conforming to IEC 61000-4-4
Conducted RF disturbances: 10 V conforming to EN 61000-4-6
Conducted RF disturbances: class A conforming to EN 55011
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[Ith] conventional free air thermal current
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3 A for control circuit
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Permissible current
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250 V, 3 A AC
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EU RoHS Declaration