S4K2UC SERIES USER MANUAL | 9
1.0 Product Description
The SolaHD S4K2UC Series is a compact, on-line uninterruptible power system (UPS) that continuously conditions and
regulates its output voltage. It is designed to supply microcomputers and other sensitive equipment with clean sine
wave input power.
Upon generation, AC power is clean and stable. However, during transmission and distribution it is subject to voltage
sags, spikes and complete failure that may interrupt computer operations, cause data loss and damage equipment. The
S4K2UC protects equipment from these disturbances. The S4K2UC continuously charges its batteries from utility power,
enabling it to supply power to connected loads even when utility power fails.
This section describes the UPS, its features, models, appearance, components, operating principles, and operating modes.
1.1 Features
• Intelligent battery management to extend the battery life
• Operation and display panel with LED for monitoring load percentage and battery capacity independently
• Flexible network management with MultiLink™ software
• Fan fault self-inspection and automated diagnostic function
• Intelligent fan operation, automatically changing rotation speed depending on system requirements to decrease
power consumption and noise
• Input circuit breaker to ease recovery from overloads
• Safety approval from UL and cUL
• Communication options: USB port, IntelliSlot® port and terminal block communication
• Dry contacts for remote monitoring
• Input power factor greater than 0.99 at 100% load
• Output voltage selection function using the conguration software
1.2 Available Models
Available models of the UPS are shown in Table 1:
Table 1: UPS Models & Power Ratings
Model Nominal Power Rating
S4K2U700C 700 VA/630 W
S4K2U1000C 1000 VA/900 W
S4K2U1500C 1500 VA/1350 W
S4K2U2000C 2000 VA/1800 W
S4K2U3000C 3000 VA/2700 W
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