C9900-U332-0010 Beckhoff
Wake Industrial LLC is not an authorized distributor of this product.
The Beckhoff C9900-U332-0010 is part of the C9 PC Accessories series and features VRLA AGM battery technology with a nominal voltage of 24 V and a nominal capacity of 1.2 Ah. It is housed in stainless steel, offers fuse protection at 9 A PTC, and has a discharge duration of 20 hours. Dimensions are 68.7 by 106.6 by 143.8 mm, with shock resistance up to 5 G for 30 ms.
Internal Product Review
The Beckhoff C9900-U332-0010 is a battery module for C9 PC accessories, built with VRLA AGM technology and a 24 V nominal voltage. Stainless steel housing and 9 A PTC fuse protection give the unit a dependable, well-engineered feel in control cabinet service. The 1.2 Ah nominal capacity makes the module a practical backup power option for industrial PC applications.
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Product Description:
The C9900-U332-0010 is a battery unit produced by Beckhoff within the C9 PC Accessories series. It mounts beside Industrial PCs to maintain 24 V control power during brief mains interruptions, keeping automation tasks orderly until the primary supply recovers or a safe shutdown is reached. By integrating into standard control enclosures, it supports uninterrupted PLC operation and protects volatile data in production cells, packaging lines, and material-handling stations. This arrangement helps the connected control system bridge short supply dips without an abrupt loss of communication or application state.
This device employs VRLA AGM chemistry, giving sealed construction that permits installation in any orientation without electrolyte leakage. A nominal output of 24 V matches common IPC power rails, while the rated storage of 1.2 Ah supports backup power for critical loads during short outages. With a standby duration of 20 h at 20 °C in float mode, the module remains ready for use during extended powered operation. The internal resistance is only 180 mOhm, which helps reduce voltage drop during sudden current demand. Two 12 V blocks are wired in series, and overcurrent events are limited by a 9 A PTC resettable fuse. Installation uses a TS35×15 2.3 DIN rail profile, and wiring enters through an 8-pin terminal strip that accepts 1.5 mm² (AWG 14) conductors. Cable runs between the battery and the IPC can reach 10 m while maintaining the intended supply connection for cabinet layouts that require some separation between components.
The stainless-steel enclosure measures 68.7 × 106.6 × 143.8 mm, allowing compact placement next to PLC power supplies or IPC hardware in crowded cabinets. EMC immunity meets EN 61000-6-2, so nearby inverters or relays are less likely to interfere with the charging electronics during operation. A maximum lead length of 10 m helps preserve voltage integrity when the module is separated from the load by cabinet routing. Environmental suitability includes operation in up to 95% RH non-condensing humidity, which supports use in enclosed industrial spaces with varying moisture levels. The unit can also endure mechanical shocks up to 5 G, 30 ms without functional loss, helping it remain stable in machinery exposed to vibration or sudden movement.
