Description
193-ECPM2 A-B E3 Plus Voltage/Current Control Module
Product Dimensions：
Product Description (Detailed Explanation)
The 193-ECPM2 is an intelligent accessory that integrates seamlessly with the E3 Plus (Series 193) relay via a dedicated side-mount or ribbon cable connection. While basic overload relays only monitor current to protect against motor burnout, the ECPM2 adds voltage-sensing capabilities.
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Integrated Monitoring: It allows the E3 Plus system to calculate real-time power metrics, including Kilowatts ($kW$), Power Factor ($cos \phi$), and Energy Consumption ($kWh$).
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Enhanced Protection: It enables the system to detect complex power quality issues such as under-voltage, over-voltage, and phase imbalance.
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Communication: Data collected by this module is transmitted through the E3 Plus relay’s DeviceNet interface to a central PLC or SCADA system.
Product Parameters (Technical Specifications)
| Parameter Category | Specification |
| Module Series | E3 Plus Electronic Overload Relay System |
| Sensing Capabilities | 3-Phase Voltage and Current |
| Operating Voltage Range | $110\ V\ AC$ to $600\ V\ AC$ (Nominal) |
| Power Measurement | Active Power ($kW$), Reactive Power ($kVAR$), Power Factor |
| Protection Features | Voltage Unbalance, Under/Over Voltage, Under/Over Power |
| Energy Monitoring | Cumulative Energy Consumption ($kWh$) |
| Compatibility | Compatible with 193-EC1 / 193-EC2 / 193-EC3 E3 Plus Series |
| Mounting | Side-mount or remote mount via cable |
Product Advantages (Key Benefits)
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Comprehensive Motor Protection: By combining voltage and current data, it provides “true” power protection, which is far more accurate than current-only monitoring for detecting mechanical jams or under-load conditions.
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Reduced Downtime: Early detection of phase loss or voltage sag prevents catastrophic motor failure and allows for predictive maintenance.
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Energy Efficiency Insights: Provides the data necessary for energy audits and “green” initiatives by tracking exactly how much energy a specific motor or process is consuming.
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Simplified Installation: It eliminates the need for standalone power transducers or separate voltage meters, saving space in the motor control center (MCC) bucket.
Precautions (Important Notes)
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Proper Phasing: When wiring the voltage sensing inputs ($L1, L2, L3$), ensure they match the sequence of the current sensing inputs. Incorrect phasing will result in inaccurate power factor and $kW$ readings.
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Grounding: Ensure the E3 Plus base and the ECPM2 module share a common ground reference to prevent signal noise from affecting the sensitive electronic components.
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Firmware Verification: Ensure the firmware version of the primary E3 Plus relay supports the ECPM2 module. Older units may require a firmware update to recognize the expansion hardware.
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High Voltage Safety: Always isolate the main power source before connecting the voltage sensing wires to the module terminals to prevent accidental electrocution.
Product Applications (Typical Use Cases)
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Pumping Stations: Detecting “Dry Run” conditions by monitoring under-power signals (where current might remain steady but power factor drops significantly).
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Conveyor Systems: Identifying mechanical jams or belt slippage through precise torque and power monitoring.
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Fan & Blower Control: Monitoring for broken drive belts or blocked filters by analyzing changes in the motor load profile.
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Industrial Energy Management: Integrated into plant-wide energy management systems to track and optimize power usage across large facilities.
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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