The Calm ST1103L model 306159 is an uninterruptible power supply (UPS) designed for 220V floorstanding applications. This on-line double conversion UPS delivers a pure sine wave output with a capacity of 3000VA (2700W), ensuring stable and reliable power.
It supports external batteries with a U-acb of 96 V and a charging current of 2 A. The unit features an LCD display for easy monitoring and management of power conditions.
Use Calm ST1103L 306159 when matching project requirements with the equipment already specified for the job.
Verify compatibility with the rest of the system, especially when replacing existing equipment.
As part of Power Supply Units, it can support project planning, maintenance, replacement, or system buildout work.
Before purchase, confirm dimensions, ratings, connection style, and compatibility using the manufacturer documentation or project schedule. This helps reduce ordering mistakes and keeps Calm ST1103L 306159 aligned with the actual field requirement.
Reviews: 2
Average score: 5
Electrical Contractor
27/04/2025
The Calm ST1103L UPS provides consistent and clean 220V power output, which is crucial for sensitive equipment on site. Installation was straightforward, and the LCD display makes monitoring power status quick and easy. The unit’s compatibility with external batteries offers flexibility for extended backup needs during longer outages.
Electrical Contractor
05/11/2024
The Calm ST1103L UPS has been reliable in our 220V setups, providing consistent pure sine wave output which is crucial for sensitive equipment. The LCD display makes it easy to monitor status on-site, and the option to connect external batteries is a plus for extended runtime. Installation was straightforward, and it integrates well with existing systems we maintain.
Questions: 3
Safsale Product Desk
03/06/2025
What should be compared with the project documentation?
The administration's response:
Compare the product name, full model number, rating values, dimensions, mounting notes, and connection details with the project documentation. This helps keep the selection process tied to documented specifications rather than only the product title.
Safsale Product Desk
06/11/2024
Which product details should be compared first?
The administration's response:
Start with the complete model number, product category, physical size, listed rating values, and any manufacturer notes shown in the datasheet. These details help separate this item from similar catalog entries before a final order is placed.
Safsale Product Desk
16/07/2024
What information from the datasheet matters most?
The administration's response:
The main points to compare are the complete model number, size, rating values, material or finish notes, mounting style, and any connection details shown by the manufacturer. These checks help confirm whether Calm ST1103L matches the required product specification.
