Siemens 6FC5348‑0AA02‑0AA0 SINUMERIK/SIMOTION double fan/battery module for NCU 7×0 or D445‑1/D4x5‑2 controllers, including integrated battery duty. This spare part provides cooling and backup power, contains ethylene glycol dimethyl ether (EGDME) above 0.1% per REACH Art. 33. The unit has been phased out since October 1, 2023.
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