The MR‑J3BAT is a 3.6 V lithium battery cartridge designed as a direct replacement for ER6VC119A/B modules in Mitsubishi MELSERVO MR‑J3 and MR‑J70 servo amplifiers. It provides reliable memory backup and retains crucial system data during power loss. Featuring a compact cylindrical form and pre‑fitted plug, installation is quick and tool‑free, making it ideal for industrial automation environments.
Categories:
CNC and PLC Battery| Parameter | Details |
|---|---|
| Model: | MR‑J3BAT |
| Voltage: | 3.6 V (nominal) |
| Capacity: | Approximately 2000 mAh |
| Chemistry: | Lithium-Thionyl Chloride (Li‑SOCl₂) |
| Form Factor: | Cylindrical cartridge |
| Dimensions: | ~14.5 mm diameter × ~50 mm length |
| Weight: | ~15–20 grams |
| Connector: | Plug-in connector for ER6VC119A/B / MR‑J3 / MR‑J70 drives |
| Operating Temperature: | −20 °C to +70 °C |
| Shelf Life: | Up to 10 years (storage) |
| In-Service Life: | Typically 2–5 years under normal use |
| Applications: | Memory backup for Mitsubishi PLC/CNC/servo systems |
| Key Features: | Reliable voltage, low self-discharge, vibration-resistant, plug-and-play installation |
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