S4K2U Series Industrial On-Line UPS

The SolaHD S4K2U Series Industrial On-Line UPS provides continuous double-conversion power protection for critical industrial and commercial equipment. Designed for automation systems, process control, networking equipment and industrial computing applications, the S4K2U Series delivers clean, regulated power while protecting connected devices from outages, voltage fluctuations, surges and electrical disturbances.

Available in capacities from 1000 VA through 3000 VA, the S4K2U Series offers flexible rack and tower installation options, intelligent battery management and high-performance online UPS technology for maximum equipment uptime.

S4K2U Series Industrial On-Line UPS Resources

Download complete specifications, runtime information, electrical ratings, battery cabinet compatibility and installation details for the SolaHD S4K2U Series Industrial On-Line UPS family.

► Download the SolaHD S4K2U Series Industrial On-Line UPS Datasheet (PDF)

► Download the Power Quality Solutions Selection & Application Guide (PDF)

Legacy and Current S4K2U Part Numbers

SolaHD updated the S4K2U Series 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.

What Is Double-Conversion UPS Technology?

Unlike standby UPS systems, the S4K2U Series continuously converts incoming AC power to DC and then back to regulated AC output. This double-conversion process isolates connected equipment from utility power disturbances while providing seamless battery backup during outages.

Applications

• Industrial automation systems
• PLC control panels
• Process control equipment
• Industrial computers and HMIs
• Network switches and communications equipment
• Security and surveillance systems
• Data acquisition systems
• Mission-critical control applications

S4K2U Series Features

• True online double-conversion UPS design
• 1000 VA to 3000 VA capacities
• 120 Vac and 230 Vac models
• Rack or tower installation flexibility
• Battery backup during utility outages
• Pure sine wave output
• External battery cabinet options
• Network management options

Available S4K2U UPS Models

• S4K2U1000D
• S4K2U1500D
• S4K2U2000D
• S4K2U3000D
• S4K2U30005D - 230 Vac International Model

Compatible S4K2U Battery Cabinets

External battery cabinets are available for S4K2U Series UPS systems to provide extended runtime during utility power outages. Battery cabinets should be selected based on the specific UPS model.

• S4K2U36BATD - Compatible with S4K2U1000D
• S4K2U48BATC - Compatible with S4K2U1500D and S4K2U2000D
• S4K2U72BATD - Compatible with S4K2U3000D and S4K2U30005D

Compatible S4K2U Accessories

S4K2U Series UPS systems support communication, bypass and rack mounting accessories for monitoring, maintenance and installation flexibility.

• IS-RELAY - Relay contact board for UPS status signals
• RDU101 - Communications card for SNMP and Modbus TCP
• 30HWBP2U - Hardwire bypass switch
• SRS1832 - Rack slide kit for 18-32 in. deep racks

Why Buy S4K2U Series UPS Systems from Wallco?

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.