IMP
IMP
Intelligent Motor Protection Relay
• Ground fault protection for both zero current/residual current
• Support rated current 0.12~100A without external current transformer
• Definite/inverse time selection and diverse protection factors
• Basic application of ground fault/instance protection
• Separation of the display part with the use of cables
• MODBUS communication and 4~20mA DC output
Features
Convenience
- Comprehensive digital motor protection relay with the MCU (Microprocessor Control Unit)
- Applicable to inverter circuits
- Storage of causes of failure
- One-body type and separate body type
- Communication support type
- Various reset functions
- Date and total operating time setup
- Password
- Total operating time and operating time setting
- Quick setup
- Wide setting of ground fault current sensitivity 30mA~25A
Reliability
- Thermal inverse time, inverse time, and definite time modes
- 3-Phase Digital Ampere-Meter
- Wide current setting range: 0.125~100A for one model
Specification
Rating | Specification | |
|---|---|---|
| Protection | Over current, Lock/Stall, Phase failure, Phase unbalance, Reverse phase, Under current, Ground fault, Short circuit | |
| Connection method | Extention type | |
| Operating time characteristics | Heat accumulation inverse time / inverse time / definite time | |
| Rated current | 0.5~10A/5~100A (Separate) | |
| Display | 4 digit, 7-Segment | |
| Operating power | AC/DC 85~245V (50Hz/60Hz) | |
| Reset method | Automatic | 1~20min |
| Manual / Electrical | On/Off selectable | |
| Installation / installation method | Display can be installed separately, 35mm DIN rail / Screw installation | |
| Tolerance | Current | ±5% |
| Time | ±5% | |
| 4~20mA output | ±5% | |
| Time setting | Startup delay | 1~200sec |
| Operation delay | 1~60sec | |
| Aux. contact | Composition | 3-SPST(Power supply 1a1b, instantaneous operation 1a) |
| Capacity | 3A/250VAC Resistive Load | |
| Contact minimum load | 100mA / 5VDC | |
| ZCT Input | 200mA/100mV(Exclusive ZCT) | |
| Environment | Operation | -10℃ ~ 55℃ |
| Storage | -20℃ ~ 70℃ | |
| Relative humidity | Below 80% RH (No freezing) | |
| Insulation resistance | 100Mohm/500VDC | |
| Fast transient | 2kV/1Min | |
| Power consumption | Below 2W | |
| Certification | CE | |