Product Short Description
Product Name: SIMATIC S7-400 – 24 V DC Fan Subassembly
Product Introduction: The 6ES7408-1TA01-0XA0 is a 24 V DC fan subassembly designed for the Siemens SIMATIC S7-400 automation system. It provides forced cooling for the S7-400 controller cabinet/chassis and includes monitoring functionality for fan operation.
Description
Technical Specifications:
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Dimensions (W × H × D): 482.5 × 109.5 × 235 mm
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Weight: Approx. 1600 g
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Cable Cross-Section: 0.5 to 2.5 mm² (litz with connector sleeve)
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Input Voltage (Nominal): 24 VDC
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Permissible Range (Static): 20.4 to 28.8 VDC
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Permissible Range (Dynamic): 18.5 to 30.2 VDC
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Rated Current: 200 mA
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Current (Voltages, currents): 24 VDC Static: 19.2 to 28 V
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Switching Current: 450 mA
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Starting Current: 0.9 A at 24 V
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Fuse (Wickmann Series 195): 250 V / 1.0 AT
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Power Consumption:
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With fan: 12 W
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Without fan: 1.4 W
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Fan Lifespan at 40°C: Typ. 70,000 hours
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Maximum Contact Load of Relay Contacts 1 to 6: 250 V / 1.0 AT
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Included Fuse: Standard cartridge fuse links, 5 × 20 mm, DIN 1.0 AT (pre-installed from factory)
Monitoring Function:
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In case of fault (defective fans), the fans are NOT switched off
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After replacing defective fan(s), the fault is acknowledged automatically once fans reach required speed
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Faults are not stored
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On power-up, fans start running
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After approx. 10 seconds, fan status is indicated via LEDs and relays
Installation & Usage Notes:
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Follow general S7-400 installation guidelines for mounting the 24 V DC fan subassembly
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CAUTION: If the monitoring PCB is inserted in the wrong position during maintenance, the fan subassembly may be damaged – always ensure correct positioning of replacement monitoring PCB
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Shielding clamps supplied may be omitted if not required (do not install unused clamps in the fan subassembly)
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