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| EOCR-iFMZ Overview |
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EOCR-iFMZ Protection Functions
✔ Overcurrent (Fixed Time Limit: 0.2...30 seconds, Inverse Time Limit: 1...30 class)
✔ Undercurrent (Fixed Time Limit: 0.5...30 seconds)
✔ Phase Loss (OFF, within 0.5...5 seconds)
✔ Reverse Phase (0.15 seconds)
✔ Current Imbalance (1...10 seconds)
✔ Stall During Start (0.5 seconds after D-Time)
✔ Stall During Operation (0.2...10 seconds)
✔ Ground Current (Adjustable 0.03~10 seconds)
★ Modbus RS-485 Communication
EOCR-iFMZ Product Features
| Product Information |
| Product Range | EOCR |
| Model Name | EOCR-i3MZ Motor Protection Relay |
| Protection Type | Overload Protection: In > Overcurrent Setting Undercurrent Protection: In < Undercurrent Setting Start Stall: In > 2...8 times Overcurrent Setting Running Stall: In > 1.5...5 times Overcurrent Setting Phase Loss Protection Imbalance Protection: 10...50% Ground Fault Protection: Ig > Ground Current Setting Reverse Phase Protection |
| Communication | Modbus RTU |
[Us]Rated Input Voltage | 100...240 V AC/DC |
| Power Frequency | 50...60 Hz |
Protection Range | 0.5...32 A (Inverse Time Limit, Thermal Accumulation Inverse Time) 0.03...10 A (Fixed Time Limit) - Ground Fault Current |
Mounting Method | 35 mm DIN Rail Panel Mounting |
| Electrical/Mechanical Characteristics |
| Contact Type | A type : 1 NO, OL & 1 NO, GR C type : 1 NC+1 NO, OL/GR D type : 1 NC, OL & 1 NO, GR |
| Reset method | Manual reset Automatic reset：0.5…1200 秒 Electric reset：0…1 秒 |
| Time Setting | Start Delay Time: 0...200 seconds Overcurrent Trip Time: 0.2...30 seconds (Fixed Time Limit) Overcurrent Trip Time: 1...30 class (Inverse Time Limit, Thermal Accumulation Inverse Time) Undercurrent Trip Time: 0.5...30 seconds Ground Fault Trip Time: 0.03...10 seconds Ground Fault Trip Delay Time During Start: 0...30 seconds |
[Ue]Rated Operational Voltage | 600 V AC 50...60 Hz Main Circuit Conforming to UL 690 V AC 50...60 Hz Main Circuit Conforming to CSA 690 V AC 50...60 Hz Main Circuit Conforming to IEC 60947-4-1 |
| [Uimp]Rated Impulse Withstand Voltage | 6 kV Conforming to IEC 60947-4-1 |
| Power Consumption | 3 W |
| Display Type | Bar graph and 7-segment LED display |
[Ith]Continuous Current | 3 A control circuit |
Permissible Current | 100...240 V, 3A |
| Wiring | Control Circuit Cable: 2 x 1…1.5 mm², Flexible Cable with Terminal - M3 Control Circuit Cable: 2 x 1…1.5 mm², Flexible Cable without Terminal - M3 Control Circuit Cable: 1 x 1…2.5 mm², Flexible Cable with Terminal - M3 Control Circuit Cable: 1 x 1…2.5 mm², Flexible Cable without Terminal - M3 |
Tightening Torque | Control Circuit: 0.8...1.2 N·m, Suitable for Cable, Diameter 4.7 mm Main Circuit: 2.5 N·m, Suitable for Terminal Clamp, Diameter 11 mm |
| Dimensions and weight |
i3MZ | Window hole type | Through bottm-hole type | Through screw-terminal type |
Height | 74.5 mm | 56.3 mm | 98.3 mm |
Width | 70 mm | 70 mm | 70 mm |
Depth | 83.8 mm | 108.1 mm | 108.1 mm |
Weight | 0.315 kg | 0.355 kg | 0.473 kg |
| Using Environment |
| Using Temperature | Matching IEC 60947-4-1, -20…60 °C |
Storage Temperature | -40…85°C |
| Operating Altitude | 2000m |
| IP Rating | IP20 conforming to IEC 60529 |
| Fire Resistance | 650°C, compliant with IEC 60695-2-12 standard |
| Shock Resistance | 15 gn 11 ms compliant with IEC 60068-2-7 |
Vibration Resistance | 4 gn panel mounting in compliance with IEC 60068-2-6 2 gn 35mm DIN rail mounting in compliance with IEC 60068-2-6 |
| Surge Withstand | 6 kV compliant with IEC 61000-4-5 |
Dielectric Strength | 2 kV 50...60 Hz between enclosure and circuit in compliance with IEC 60255-5 1 kV 50...60 Hz between contacts in compliance with IEC 60255-5 2 kV 50...60 Hz between internal circuits in compliance with IEC 60255-5 |
Electromagnetic Compatibility | - Radiated RF immunity 10 V/m level 3 in accordance with IEC 61000-4-3 - Electrostatic discharge immunity 8 kV air, 6 kV contact in accordance with IEC 61000-4-2 - Transient overvoltage 2 kV in accordance with IEC 61000-4-4 - Conducted RF immunity 10 V in accordance with EN 61000-4-6 - Conducted RF emission class A in accordance with EN 55011 |
| Certification and standards |
| Standards | IEC 60947-4-1 |
| Certification | UL |
18 months warranty |
EOCR-iFMZ Reference Wiring
Wiring Diagram for 3-Phase Motor (Output Contact Type A, a-a Contact)
| Wiring Diagram for 3-Phase Motor (Output Contact Type C, Common Contact) |
| Wiring Diagram for 3-Phase Motor (Output Contact Type D, b-a Contact)
| Wiring Diagram for 3-Phase Motor (MCCB Circuit Breaker Example) Wiring diagram for tripping MCCBN in the event of a ground fault.
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EOCR-iFMZ Dimensions
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EOCR-iFMZ Product Ordering
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EOCR-iFMZ Product List
| Product Thumbnail | Category | Model | Control Voltage | Contact Status |
|---|---|---|---|---|
Window hole type | EOCR-iFMZ | EOCRiFMZ-WRAUWZ EOCRFiMZ-WRAUW(stop) | AC/DC 100~240V | A type |
EOCRiFMZ-WRABWZ EOCRiFMZ-WRABW(stop) | AC/DC 24V | |||
Through bottm-hole type | EOCRiFMZ-WRAUHZ EOCRiFMZ-WRAUH(stop) | AC/DC 100~240V | ||
EOCRiFMZ-WRABHZ EOCRiFMZ-WRABH(stop) | AC/DC 24V | |||
Through screw-terminal type | EOCRiFMZ-WRAUTZ EOCRiFMZ-WRAUT(stop) | AC/DC 100~240V | ||
EOCRiFMZ-WRABTZ EOCRiFMZ-WRABT(stop) | AC/DC 24V |
| Product Thumbnail | Category | Model | Control Voltage | Contact Status |
Window hole type | EOCR-iFMZ | EOCRiFMZ-WRCUWZ EOCRiFMZ-WRCUW(stop) | AC/DC 100~240V | C type |
EOCRiFMZ-WRCBWZ EOCRiFMZ-WRCBW(stop) | AC/DC 24V | |||
Through bottm-hole type | EOCRiFMZ-WRCUHZ EOCRiFMZ-WRCUH(stop) | AC/DC 100~240V | ||
EOCRiFMZ-WRCBHZ EOCRiFMZ-WRCBH(stop) | AC/DC 24V | |||
Through screw-terminal type | EOCRiFMZ-WRCUTZ EOCRiFMZ-WRCUT(stop) | AC/DC 100~240V | ||
EOCRiFMZ-WRCBTZ EOCRiFMZ-WRCBT(stop) | AC/DC 24V |
| Product Thumbnail | Category | Model | Control Voltage | Contact Status |
Window hole type | EOCR-iFMZ | EOCRiFMZ-WRDUWZ EOCRiFMZ-WRDUW(stop) | AC/DC 100~240V | D type |
EOCRiFMZ-WRDBWZ EOCRiFMZ-WRDBW(stop) | AC/DC 24V | |||
Through bottm-hole type | EOCRiFMZ-WRDUHZ EOCRiFMZ-WRDUH(stop) | AC/DC 100~240V | ||
EOCRiFMZ-WRDBHZ EOCRiFMZ-WRDBH(stop) | AC/DC 24V | |||
Through screw-terminal type | EOCRiFMZ-WRDUTZ EOCRiFMZ-WRDUT(stop) | AC/DC 100~240V | ||
EOCRiFMZ-WRDBTZ EOCRiFMZ-WRDBT(stop) | AC/DC 24V |
If you are interested in our products, or if we can help you, you can call our national customer service number at any time:+86-17717479099
You can also communicate with us online, of course, you can also leave us a message below, we will be happy to serve you!
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