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| Product Quality Level Table | ||||
| The difference between MMC397 and MMC3979: | ||||
| Part# | Max speed | Working life | Housing Material | Electrical noise①@10Rpm |
| MMC397 | 250RPM | >10 million Revs | Plastics | 10mΩ |
| MMC3979 | 1000RPM | >30 million Revs | Plastics | 4mΩ |
| Specification | ||||
| Mechanical data | Electrical data | |||
| Parameter | Value | Parameter | Value | |
| Working Life | See Prod Quality Level | Power | Signal | |
| Rotating Speed | See Prod Quality Level | Rated Voltage | 0~220VAC/VDC | 0~120VAC/VDC |
| Working Temp. | -30℃~80℃ | Insulation Res | ≥100MΩ/220VDC | ≥100MΩ/150VDC |
| Operating Humidity | 0~85% RH | Lead Wires | AWG#30 Teflon | AWG#30 Teflon |
| Contact Material | See Prod Quality Level | Lead Length | Standard 300mm | |
| Housing Material | See Prod Quality Level | Dielectric Strength | 500VAC@50Hz,60s | |
| Torque | 0.005N.m˙+0.02N.m/6ring | Res Noise | <0.01Ω | |
| Protection grade | IP51 | |||








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