Schneider-Electric India DurgaBhai
3MZ2- durga-bhai
motor protection relay combined 3CT100 - 0.5..60 A - 100..240 V AC/DC
Schneider Electric
APR 21, 2024
End of Commercialization
JUN 30, 2020
Range of product EOCR
Device short name EOCR-3MZ2
Product or component type Protection relay
Protection type 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
Product specific application Motor protection
Network type AC
Network frequency 50...60 Hz
Protection ajustment range 0.5…60 A
Tripping threshold 0.5...32 A (inverse and thermal)
0.5...60 A (definite)
0.03...10 A (definite) - earth fault current
[Us] rated supply voltage 100...240 V AC/DC
Mounting support 35 mm DIN rail
Contacts type and composition 1 NO (GR)
1 NO (OL)
Short-circuit and overload protection By 4 A gG fuse
[Ue] rated operational voltage 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
[Uimp] rated impulse withstand voltage 6 kV conforming to IEC 60947-4-1
Reset Manual reset
Automatic reset 0.5…1200 s
Electrical 0…1 s by interruption of power supply
Time delay type 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
Display type 7 segments LED
Bar graph
Power consumption per relay 3 W
Connections - terminals 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
Tightening torque Control circuit: 0.8...1.2 N.m on cable, 4.7 mm
Height 74.5 mm
Width 150 mm
Depth 155 mm
Net weight 0.893 kg
Standards IEC 60947-4-1
Product certifications UL
IP degree of protection IP20 conforming to IEC 60529
Ambient air temperature for operation -20…60 °C conforming to IEC 60947-4-1
Ambient air temperature for storage -40…85 °C
Operating altitude 2000 m
Fire resistance 650 °C conforming to IEC 60695-2-12
960 °C conforming to UL 94
Shock resistance 15 gn for 11 ms conforming to IEC 60068-2-7
Vibration resistance 4 gn on panel mounting conforming to IEC 60068-2-6
2 gn on 35 mm DIN rail conforming to IEC 60068-2-6
Dielectric strength 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
Surge withstand 6 kV conforming to IEC 61000-4-5
Electromagnetic compatibility 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
[Ith] conventional free air thermal current 3 A for control circuit
Permissible current 250 V, 3 A AC
Offer Sustainability
Sustainable offer status Green Premium product
EU RoHS Directive Compliant
print EU RoHS Declaration
Mercury free Yes
China RoHS Regulation
print China RoHS declaration
RoHS exemption information
print Yes
WEEE The product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins
PVC free Yes
Contractual warranty
Warranty 18 months