SolaHD S1K520 - Uninterruptible Power Supply, Capacity: 520 VA, 340 Watts, Input Voltage: 115 V +20PCT / - 25PCT, Frequency: 50 o 60 Hz +/- 10PCT
SolaHD

S1K520

UPC: 783472530021


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Specification Sheet

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Overview

The SolaHD S1K520 520‑VA Uninterruptible Power Supply (UPS) delivers reliable, uninterrupted power for industrial and commercial applications requiring 340W continuous output. Engineered to protect sensitive equipment such as PLCs, networking gear, control panels, and automation systems, the S1K520 ensures operational continuity during power interruptions, surges, and brownouts. Its input voltage tolerance of 115V +20% / –25% and frequency range of 50–60Hz ±10% make it compatible with global power grids, accommodating regional variations without performance degradation. The UPS features a compact design optimized for tight spaces, with LED status indicators and audible alerts for real-time system health monitoring. Built with SolaHD’s rigorous quality standards, the S1K520 undergoes extensive testing to guarantee long-term reliability and compliance with international safety standards. Ideal for data centers, manufacturing floors, remote field sites, and laboratory environments, this UPS provides clean, stable power to prevent data loss and equipment damage. The efficient power factor and low heat generation reduce energy costs while extending the lifespan of connected devices. With a 520VA capacity and 340W output, the S1K520 balances performance and affordability for critical load protection.
  • 520VA / 340W capacity for critical industrial equipment
  • 115V input with +20% / –25% voltage tolerance
  • 50–60Hz ±10% frequency range for global compatibility
  • Compact design with LED indicators and audible alerts
  • Rugged construction with compliance to international safety standards

Specifications

Application
PC, Workstation, Computer Terminal
Back-Up Time
10
Battery Type
Sealed, Maintenance Free Lead Acid
Environmental Conditions
0 to 90 non-condensing
Frequency Rating, Maximum
60 Hz
Frequency Rating, Minimum
50 Hz
Height
5.3 in
Height
134.62 mm
Interface
DB9 Communications Interface
Length
12.6 in
Length
320.04 mm
Number of Receptacles
4
Receptacle
NEMA 5-15R
Special Features
Lightweight, compact design, 4 NEMA 5-15R outlets, (3 Battery, 1 Surge), Data-line surge protection for phone or network included on every unit, DB9 communications Interface, Software and cable included, Step sinewave output
Standard
cULus Listed, UPS Equipment, UL 1778, CSA C22.2 No. 107.3
Type
S1K Mini-Tower Off-line UPS
Voltage Rating
115 VAC
Wattage
240 WAT
Width
3.8 in
Width
96.52 mm
Package Dimensions (L x W x H)
14.5 IN x 5.7 IN x 8.9 IN
Package Dimensions (L x W x H)
36.83 cm x 14.478 cm x 22.606 cm
Package Weight (Imperial)
14.600 L
Package Weight (Metric)
6.623 kg
Uninterruptible Power Supply, Capacity: 850 VA, 600 Watts, Input Voltage: 115 V +20PCT / - 25PCT, Frequency: 50 o 60 Hz +/- 10PCT

S1K850

Uninterruptible Power Supply, Capacity: 850 VA, 600 Watts, Input Voltage: 115 V +20PCT / - 25PCT, Frequency: 50 o 60 Hz +/- 10PCT
Uninterruptible Power Supply, Capacity: 1200 VA, 720 Watts, Input Voltage: 115 V +/- 15 PCT, Frequency: 50 o 60 Hz +/- 10 PCT

S1K1200

Uninterruptible Power Supply, Capacity: 1200 VA, 720 Watts, Input Voltage: 115 V +/- 15 PCT, Frequency: 50 o 60 Hz +/- 10 PCT
Uninterruptible Power Supply, Capacity: 650 VA, 390 Watts, Input Voltage: 115 V +20PCT / - 25PCT, Frequency: 50 o 60 Hz +/- 10PCT

S1K650

Uninterruptible Power Supply, Capacity: 650 VA, 390 Watts, Input Voltage: 115 V +20PCT / - 25PCT, Frequency: 50 o 60 Hz +/- 10PCT
SDU AC - A Series DIN Rail AC UPS, Wattage:300 W, Capacity: 500 VA Voltage Rating:120V AC, Frequency Rating:50/60HZ, Back-Up Time: 4 Minutes

SDU500A

SDU AC - A Series DIN Rail AC UPS, Wattage:300 W, Capacity: 500 VA Voltage Rating:120V AC, Frequency Rating:50/60HZ, Back-Up Time: 4 Minutes
SDU Series DIN Rail AC UPS, Wattage:510W, Capacity: 850 VA Voltage Rating:120V AC, Frequency Rating:50/60HZ, Back-Up Time: 2 Minutes

SDU850

SDU Series DIN Rail AC UPS, Wattage:510W, Capacity: 850 VA Voltage Rating:120V AC, Frequency Rating:50/60HZ, Back-Up Time: 2 Minutes
SDU AC - A Series DIN Rail AC UPS, Wattage:510W, Capacity: 850 VA Voltage Rating:120V AC, Frequency Rating:50/60HZ, Back-Up Time: 2 Minutes

SDU850A

SDU AC - A Series DIN Rail AC UPS, Wattage:510W, Capacity: 850 VA Voltage Rating:120V AC, Frequency Rating:50/60HZ, Back-Up Time: 2 Minutes
Uninterruptible Power Systems, Capacity: 1500 VA, 1350 Watts, Typical Back-up Time: 4/11, Input Plug: 5-15P, Output Receptacle: (6) 5-15R, 120 Vac, Frequency: 50/60 HZ

S4K2U1500C

Uninterruptible Power Systems, Capacity: 1500 VA, 1350 Watts, Typical Back-up Time: 4/11, Input Plug: 5-15P, Output Receptacle: (6) 5-15R, 120 Vac, Frequency: 50/60 HZ
Uninterruptible Power Systems, Capacity: 2000 VA, 1800 Watts, Typical Back-up Time: 4/11, Input Plug: 5-15P, Output Receptacle: (6) 5-20R, 120 Vac, Frequency: 50/60 HZ

S4K2U2000C

Uninterruptible Power Systems, Capacity: 2000 VA, 1800 Watts, Typical Back-up Time: 4/11, Input Plug: 5-15P, Output Receptacle: (6) 5-20R, 120 Vac, Frequency: 50/60 HZ
Uninterruptible Power Systems, Capacity: 3000 VA, 2700 Watts, Typical Back-up Time: 3/11, Input Plug: L5-30P, Output Receptacle: (6) 5-20R, (1) L5-30R, 120 Vac, Frequency: 50/60 HZ

S4K2U3000C

Uninterruptible Power Systems, Capacity: 3000 VA, 2700 Watts, Typical Back-up Time: 3/11, Input Plug: L5-30P, Output Receptacle: (6) 5-20R, (1) L5-30R, 120 Vac, Frequency: 50/60 HZ
Uninterruptible Power Supply, Capacity: 320 VA, 240 Watts, Input Voltage: 115 V +20PCT / - 25PCT, Frequency: 50 o 60 Hz +/- 10PCT

S1K320

Uninterruptible Power Supply, Capacity: 320 VA, 240 Watts, Input Voltage: 115 V +20PCT / - 25PCT, Frequency: 50 o 60 Hz +/- 10PCT
Uninterruptible Power Supply, Capacity: 1440 VA, 900 Watts, Input Voltage: 115 V +/- 25PCT, Frequency: 50 o 60 Hz +/- 10PCT

S1K1500

Uninterruptible Power Supply, Capacity: 1440 VA, 900 Watts, Input Voltage: 115 V +/- 25PCT, Frequency: 50 o 60 Hz +/- 10PCT
International Model Uninterruptible Power Systems, Capacity: 1000 VA, 900 Watts, Typical Back-up Time: 6/17, Input Plug: IEC 320-C14, Output Receptacle: (6) IEC 320/C13, 230 Vac, Frequency: 50/60 HZ

S4K2U10005C

International Model Uninterruptible Power Systems, Capacity: 1000 VA, 900 Watts, Typical Back-up Time: 6/17, Input Plug: IEC 320-C14, Output Receptacle: (6) IEC 320/C13, 230 Vac, Frequency: 50/60 HZ

Frequently Asked Questions

What is the S1K520's power capacity?

The S1K520 UPS has a capacity of 520 VA and 340 Watts.

What are the input voltage requirements for the S1K520?

The S1K520 requires an input voltage of 115 V with a tolerance of +/-15%. It supports 50 or 60 Hz ± 10% frequency.

How many outlets does the S1K520 UPS provide?

The S1K520 provides four NEMA 5-15R outlets. Three outlets offer battery backup and surge protection, while one is surge protected only.

What is the typical battery backup time for the S1K520?

The S1K520 provides a typical battery backup time of 15-25 minutes for a PC with a 15-inch monitor.

What type of battery does the S1K520 use?

The S1K520 uses sealed, maintenance-free lead acid batteries.

What is the transfer time for the S1K520 UPS?

The typical transfer time for the S1K520 UPS is 4 milliseconds.

What are the operating temperature limits for the S1K520?

The S1K520 can operate in temperatures ranging from 0°C to 40°C.

Does the S1K520 include data-line surge protection?

Yes, the S1K520 includes data-line surge protection for phone or network connections.

What are the physical dimensions of the S1K520 unit?

The S1K520 unit measures 5.30 in (H) x 3.80 in (W) x 12.60 in (D).

What is the output voltage in battery mode for the S1K520?

In battery mode, the S1K520 provides a step sinewave output at 115 V ±5%.

Frequently Asked Questions about SolaHD

What certifications and standards do SolaHD products comply with?

SolaHD power supplies are UL 508 Listed for Industrial Control Equipment and comply with multiple international standards, including UL 60950, CUL/CSA-C22.2 No. 234-M90, and IECEx certifications. Our products meet EMC and Low Voltage Directives, with extensive hazardous location certifications including Class I Zone 2, ATEX, and IECEx, ensuring reliable performance in industrial environments.

What industries and applications are SolaHD products used for?

SolaHD products are used across a wide range of critical industrial applications, including factory automation, process control, machine control, material handling, building automation, and harsh environment installations. Key industries include manufacturing, process industries, semiconductor fabrication, packaging, conveying equipment, instrumentation, and environments requiring UL508 compliance such as water treatment facilities. The products are specifically designed for challenging industrial settings, with certifications for hazardous locations and extreme temperature ranges.

What technical support does SolaHD offer?

SolaHD offers comprehensive technical support through experienced sales representatives available worldwide. Our support includes expert consultation for selecting the right power quality solutions, with award-winning online tools to help customers make precise product selections. Technical support covers the entire range of our industrial power solutions, from service entrance protection to point-of-use equipment, ensuring customers can optimize their facility's power infrastructure.

What are the main product lines offered by SolaHD?

SolaHD offers a comprehensive range of industrial power quality solutions across five primary product lines: Power Supplies, Surge Protection Devices (SPDs), Transformers, Power Conditioning, and Uninterruptible Power Supplies (UPS). Key product series include SDN Power Supplies, STV/STFV Surge Protective Devices, Industrial Control Transformers, MCR Constant Voltage Conditioners, and SDU UPS systems designed for industrial automation, process control, and critical manufacturing environments.

What are the key features of SolaHD products?

SolaHD products offer comprehensive industrial power quality solutions that convert, clean, and maintain electric current throughout manufacturing facilities. Key features include noise and surge protection, voltage regulation, drive protection, and uninterruptible power supplies (UPS). Their product lines cover everything from service entrance to point-of-use, with compact DIN rail mountable options that provide flexible, space-saving power solutions for sensitive industrial equipment like PLCs, networks, and control systems.

What environmental ratings do SolaHD products have?

SolaHD products feature robust environmental ratings including NEMA Type 1, 2, 3, 4, 4X, 12, and 13 classifications, as well as IP66 protection. These ratings ensure comprehensive protection against dust, water, and corrosion in both indoor and outdoor environments, with operating temperatures ranging from -40°C to 130°C.

What accessories are available for SolaHD products?

SolaHD offers a comprehensive range of accessories across multiple product lines, including surge protective devices (SPD), tracking filters, power supplies, UPS systems, and DIN rail mountable components. Key accessories include the STV100K Surge Protective Device, STFV Plus Series Tracking Filters, SDN and SCP Series Power Supplies, SDU Series UPS, and various DIN rail filters and converters that can be integrated into industrial control panels and power systems.

How are SolaHD products typically installed?

SolaHD products are typically installed on DIN rail mounting systems in industrial control panels, with multiple installation options including panel/wall mounting brackets. Most products feature easy-to-wire screw terminations, making them suitable for critical industrial applications like factory automation, PLCs, robotics, and computer-based control systems. The products are designed for flexible installation across various industrial environments, with wide operating temperature ranges from -20°C to +50°C and compact, rugged industrial designs.