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Backup Battery Module SIEMENS 6DD2920-0AL0 for PLC Systems
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SIEMENS 6DD2920-0AL0
Reliable long-term backup power for SIMATIC S7-400 PLCs to retain RAM data during power outages
| Brand | SIEMENS |
| Model | 6DD2920-0AL0 |
| Voltage | 3.6V DC |
| Country of Origin | Germany |
| Weight | 0.06 kg |
| Dimensions | 35 x 35 x 60 mm |
| Certifications | CE, UL, RoHS |
| SKU / MPN | 6DD2920-0AL0 |
| What’s in the box | Backup battery module, installation guide |
| Battery Type | Lithium (Li-SOCl2) |
| Nominal Voltage | 3.6V |
| Capacity | 2.2 Ah |
| Operating Temperature | -25 to +70 °C |
| Compatible System | SIMATIC S7-400 |
| Backup Duration | Up to 10 years |
Key benefits: Long service life up to 10 years, wide operating temperature range, plug-and-play replacement, reliable data retention, maintenance-free operation, original SIEMENS quality
Typical applications: SIMATIC S7-400 PLC memory backup, industrial process control, factory automation systems, power plant control, water treatment facilities, manufacturing line controllers
Lifecycle: Active product, long-term availability guaranteed by SIEMENS
1 review for Backup Battery Module SIEMENS 6DD2920-0AL0 for PLC Systems
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Susan Y. –
Tested the proximity switch, response time is spot on. Recommended for industrial use.