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The SolaHD S4K4U and S4K6U Series Industrial On-Line UPS family delivers true double-conversion power protection for critical industrial equipment, automation systems, network infrastructure and sensitive electronic devices. Designed for applications requiring maximum uptime, these UPS systems continuously regenerate incoming power to provide a clean, regulated output while protecting connected equipment from outages and electrical disturbances.
Available in 6 kVA and 10 kVA capacities, the S4K4U and S4K6U platforms provide flexible rack or tower installation, intelligent battery management and advanced monitoring capabilities for demanding industrial environments.
The SolaHD S4K288INTBATD is a replacement internal battery module for S4K6U10KD Industrial On-Line UPS systems.
The SolaHD S4K144BATD is an optional external battery cabinet for extending runtime on S4K4U6000D Industrial On-Line UPS systems.
The SolaHD S4K144INTBATD is a replacement internal battery module for S4K4U6000D Industrial On-Line UPS systems.
The SolaHD S4K6U10KD is a 10 kVA Industrial On-Line UPS with internal batteries, double-conversion protection and rack/tower installation for critical power applications.
The SolaHD S4K4U6000D is a 6 kVA Industrial On-Line UPS with internal batteries, double-conversion protection and rack/tower installation for critical power applications.
The SolaHD S4KPAD2-103C is a Power A/C Distribution PAD for S4K6U10KD, providing output distribution, input connection and rotary maintenance bypass functionality for compatible S4K industrial UPS systems.
The SolaHD S4KPAD2-003C is a Power A/C Distribution PAD for S4K4U6000D, providing output distribution, input connection and rotary maintenance bypass functionality for compatible S4K industrial UPS systems.
The SRS18-32 is a SolaHD UPS accessory used with compatible industrial on-line UPS systems.
Download complete specifications, runtime information, electrical ratings, battery cabinet compatibility and installation details for the SolaHD S4K4U and S4K6U Series Industrial On-Line UPS family.
► Download the SolaHD S4K4U & S4K6U Series Industrial On-Line UPS Datasheet (PDF)
► Download the Power Quality Solutions Selection & Application Guide (PDF)
SolaHD updated the S4K4U and S4K6U Industrial On-Line UPS product family. Customers may still encounter legacy part numbers ending in "C" on installed equipment, maintenance records, specifications, purchase histories and older documentation.
The current D-Series models are the latest production versions and replace the previous C-Series models.
| Legacy Model | Current Model |
|---|---|
| S4K4U6000C | S4K4U6000D |
| S4K6U10KC | S4K6U10KD |
The S4K4U and S4K6U Series use true online double-conversion technology to continuously isolate connected equipment from utility power disturbances. Incoming AC power is converted and regenerated to deliver clean, stable output power while providing seamless battery backup during outages.
External battery cabinets are available for S4K4U and S4K6U Series UPS systems to provide extended runtime during utility power outages. Battery cabinets should be selected based on the specific UPS model.
S4K4U and S4K6U Series UPS systems support power distribution, communication and monitoring accessories for installation flexibility, maintenance and remote system management.
Wallco Industrial Electronics is an authorized distributor of SolaHD power quality products. Our team provides product selection assistance, technical support and application expertise for industrial UPS systems, power conditioners and power protection solutions.