Description
The APS-RTx PowerCore Flex PC33-BR40240FL is a high-capacity external battery pack designed specifically for compatible PowerCore Flex Series three-phase online UPS systems.
The battery pack incorporates 40 × 12V 9Ah maintenance-free VRLA batteries, configured to provide the ±240VDC battery system required by compatible PowerCore Flex UPS models.
With approximately 4.32kWh of nominal stored battery energy, the PC33-BR40240FL provides the energy reserve required for UPS backup operation when utility power is unavailable.
Its compact 4U rack-mount enclosure allows the battery pack to be installed alongside the UPS in server racks, equipment rooms, data centres and communications facilities, creating a clean and integrated backup-power installation.
The PC33-BR40240FL is designed for use across the compatible PowerCore Flex UPS Series, including models that use external battery systems rather than internal batteries. Compatibility should be confirmed against the specific UPS model and system configuration before purchase.
Where longer backup duration is required, additional compatible battery capacity may be incorporated as part of an appropriately engineered battery system.
Key Features
- 40 × 12V 9Ah maintenance-free VRLA batteries
- 4.32kWh nominal stored energy
- ±240VDC battery system
- 480VDC total series voltage
- External UPS battery pack
- Designed for compatible PowerCore Flex Series UPS systems
- Suitable for PowerCore Flex 20kVA, 50kVA and other compatible models
- Compact 4U rack-mount enclosure
- Suitable for standard equipment and server racks
- Integrated battery cabinet
- Battery neutral connection
- Designed for high-capacity online UPS systems
- Suitable for extended-runtime applications
- Additional battery capacity can be engineered where required
- Suitable for critical IT, telecommunications and infrastructure applications
Compatible UPS Series
| UPS Series | Compatibility |
|---|---|
| PowerCore Flex Series | Compatible with supported models and configurations |
The PC33-BR40240FL is intended for compatible PowerCore Flex Series UPS systems requiring a ±240VDC external battery system. Confirm the required battery voltage, connector arrangement and installation configuration for the specific UPS model before ordering.
Typical Applications
Suitable for UPS systems supporting:
- Data centres
- Server rooms
- Telecommunications facilities
- Banking and financial systems
- Enterprise network infrastructure
- Communications equipment
- Critical business IT systems
- CCTV and security control rooms
- Industrial control systems
- Automation systems
- Laboratory infrastructure
- Medical support systems
- Critical commercial facilities
- Mission-critical power systems
Technical Specifications
| Specification | PC33-BR40240FL |
| Product Type | External UPS Battery Pack |
| Battery Technology | Maintenance-Free VRLA |
| Battery Quantity | 40 pcs |
| Individual Battery Rating | 12V 9Ah |
| Battery System Voltage | ±240VDC |
| Total Series Voltage | 480VDC |
| Nominal Battery Energy | 4.32kWh |
| Battery Arrangement | 40 Battery Series Configuration |
| Neutral Connection | Yes |
| Enclosure | Rack-Mount Battery Cabinet |
| Rack Height | 4U |
| Compatible UPS | Compatible PowerCore Flex Series UPS models |
| Typical Battery Life | Approx. 3–5 years, depending on use and environment |
| Operating Temperature | 0–40°C |
| Relative Humidity | 0–95%, non-condensing |
| Dimensions | 482 × 861.5 × 175 mm (W × D × H) |
| Net Weight | 154 kg |
Battery Capacity
The PC33-BR40240FL contains:
40 × 12V × 9Ah = 4,320Wh
Equivalent to approximately:
4.32kWh nominal stored energy
Actual available backup runtime will depend on:
- UPS load
- Battery condition and age
- Ambient temperature
- UPS operating efficiency
- Battery discharge rate
- Number of battery packs installed
Backup runtime should therefore be calculated according to the actual connected load and required operating duration.

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