Toshiba 4300(Discontinued)
Model 4300
Electronic Battery Isolation + Small Footprint = Lowering Cost of Ownership
Three phase, double conversion UPS system with complete front access for installation, operation and service. Internal batteries and internal maintenance bypass switch for minimal footprint.
Front-end for Service & Maintenance
With front-access maintenance, the Toshiba 4300 Series makes servicing easier and faster, helping keep critical systems online while reducing downtime during routine inspections or repairs.
Monitoring & System Awareness
Integrated monitoring and alarm functions provide real-time visibility into UPS operating status, power conditions, and battery performance, helping ensure reliable operation and timely maintenance.

Multiple Battery Cabinets
A maximum of two Toshiba 4300 Battery Cabinets may be connected in parallel to a Toshiba 4300 Series UPS. DC backup source cabinets that are not lineup-and-match units may be combined to extend UPS battery runtime. These external battery cabinets are typically connected using a bus configuration or a single-point DC connection located outside the UPS system..
Battery Runtime & Configuration
Offering flexible battery configurations to support a wide range of runtime requirements. Battery runtime depends on UPS capacity, load level, power factor, and the number of connected battery cabinets. The system supports both lineup-and-match Toshiba battery cabinets and external DC battery solutions for extended backup duration.
Toshiba 4300 Battery Configuration Options
| Battery Configuration | Supported Setup | Customer Benefit |
| Internal Battery system | High-voltage DC battery design | Efficient energy delivery and reliable short-duration backup |
| Toshiba 4300 Battery Cabinet | Up to two cabinets in parallel | Extended runtime with factory-matched components |
| External DC Battery Cabinets | Bus or single-point DC connection | Custom runtime expansion for longer outages |
| Lineup & Match Cabinets | Direct integration with UPS | Simplified installation and clean system layout |
Refer to your Toshiba 4300 Manual for more details.
Not sure which Toshiba UPS fits your needs? Talk to QPS and get a customized quote.
Technical Specs
- Power Rating: 30kVA & 50kVA
- Power Factor: 0.9 output
- Voltage: 208/120 In & out
- Topology: True on-line double conversion
Features
- Zero rear clearance required
- Improved efficiency across entire load range
- Small footprint
- Enhanced remote monitoring
Documentation
Options
- Line-Up-&-Match Battery Cabinet
- Line-Up-&-Match Auxiliary Cabinets with Transformer & Maintenance bypass switch
- Monitoring options


