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Cooling method Forced air cooling
Rated grid voltage 380/400/415Vac
Voltage range 304 ~ 485Vac
Storage temperature -40°C~+75°C
Weight 11KG
IP rating Ip20
External communication RS485CAN
Dimensions (widthheightdepth) 44086480mm

This STS module for on-grid and off-grid switching adopts static switch seamless switching technology and supports seamless on-grid and off-grid switching. It adopts DSP design and supports CAN RS485 communication. This module is widely applied in on-grid and off-grid switching scenarios, such as weak grid areas and microgrid energy storage

Application fields: Weak power grid areas, microgrid energy storage

Function Description:

  • Three-phase five-wire system (3W + N + PE), supporting unbalanced off-grid loads;
  • Compatible with PCS module, enabling seamless switching between grid-connected and off-grid modes to ensure uninterrupted power supply for critical loads;
  • Modular design, simple installation and maintenance;
  • Module height of only 2U, compact structure, and high power density.

Product Specification Parameters:

Item STS-20K STS-40K STS-60K
Electrical Parameters
System Three-phase five-wire (3W + N + PE)
Rated grid voltage 380/400/415Vac
Voltage range 304 ~ 485Vac
Rated frequency 50Hz
Frequency range 45 ~ 55Hz
Rated current 31A 62A 93A
Rated power 20kW 40kW 60kW
Overload capacity 110%, for long-term overload; 125%, for 10-minute overload
Other Performance
Protection Functions
Overvoltage protection Equipped
Overcurrent protection Equipped
Short-circuit protection Equipped
Over-temperature protection Equipped
Anti-backflow protection Equipped
Other Parameters
Operating temperature -30 ~ 65°C, output power derating above 55°C
Storage temperature -40 ~ 75°C
Noise 65dB
Dimensions (widthheightdepth) 44086480mm
Weight 11kgs
Protection grade IP20 (single module)
Cooling method Forced air cooling

Project Overview

SunCare Hospital, a leading healthcare institution committed to sustainable operations and patient well-being, partnered with us to transition its energy source to solar. The project involved the full design and installation of a customized solar power system to reduce operating costs, increase energy reliability, and support the hospital's green initiatives.

Project Objectives

This project was designed to meet the hospital’s energy needs while promoting sustainability, reducing costs, and ensuring uninterrupted service for patients and essential medical operations.

Key Results & Benefits

What We Delivered

We provided a complete solar solution tailored to the hospital’s needs, ensuring performance, safety, and long-term energy savings without disrupting daily operations.

Custom Energy Assessment

We analyzed usage patterns and infrastructure to design a system that meets specific energy needs.

Seamless Installation Without Disruption

Our team installed efficiently with zero interruption to hospital operations and strict safety procedures.

Tailored Solar System Design

We created a solar layout that maximizes efficiency while matching the hospital’s structure and goals.

Reliable Backup and Monitoring System

We integrated smart monitoring and backup support to ensure continuous power for critical medical equipment.

Our Impact

This project is more than just an energy upgrade, it is a commitment to health, sustainability, and community leadership. The SunCare Hospital solar installation reflects how renewable energy can enhance essential services without compromise.

Client Testimonial

"Working with Solarize was a smooth experience. Their team truly understood our hospital’s needs and delivered a solution that saves energy, ensures reliability, and supports our long-term sustainability goals."

Dr. Lisa
Director of Operations, SunCare Hospital
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