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Category
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Semiconductors
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Electro-insulated Modules
- Electro-insulated Modules | VISHAY (IR)
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- Bridge Rectifiers
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Transistors
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- SiC MOSFET Modules | Mitsubishi
- SiC MOSFET Modules | STARPOWER
- Module SiC MOSFET ABB’s
- IGBT Modules | MITSUBISHI
- Transistor Modules | MITSUBISHI
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- IGBT Modules | INFINEON (EUPEC)
- Silicon Carbide (SiC) semiconductor elements
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Passive components (capacitors, resistors, fuses, filters)
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Fuses
- Miniature Fuses for electronic circuits - ABC & AGC Series
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- Capacitors
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Relays and Contactors
- Relays and Contactors - Theory
- 3-Phase AC Semiconductor Relays
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Single-Phase AC Semiconductor Relays
- AC ONE PHASE RELAYS 1 series| D2425 | D2450
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- One phase semiconductor AC relays - PS series
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- One phase semiconductor relays - gn series
- Ckr series single phase solid state relays
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- 150A AC single phase relays
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- Single-Phase AC Semiconductor Relays for PCBs
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Batteries, Chargers, Buffer Power Supplies and Inverters
- Batteries, Chargers - Theoretical Description
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Automatics
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Infrared Thermometers (Pyrometers)
- IR-TE Series - Water-proof Palm-sized Radiation Thermometer
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- Counters, Time Relays, Panel Meters
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Cables, Litz wires, Conduits, Flexible connections
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Braids
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- Traction Equipment
- Cable Terminals
- Flexible Insulated Busbars
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- Cable Duct Systems
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Semiconductors
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Uninterruptible Power Supply and Buffer Power Supplies
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Information
Products that are marked "On Order" in the "Available Quantity" column are usually not in stock. Such products are available for purchase, however, due to their limited customer base, they usually have higher minimum quantities. DACPOL offers products that are not in stock for the following reasons: DACPOL currently has a large number of electronic components in stock and adds new products every day, however, tens of thousands of additional components and their various variants are available from our suppliers. Even though it is unreasonable to have all these products in stock due to the limited sales, we believe that it is in the best interest of our customers to make them available. Our goal is to inform customers about the maximum number of products available and enable them to make decisions based on specifications, prices, availability, required minimums and our technical advice. Please note that selecting the "In Stock" checkbox may limit the display to only products available for delivery straight from the shelf.
| Image | View the product | No. Manufacturer | ||||
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J. Schneider Elektrotechnik | DC-UPS buffer power supplies with C-TEC super-enconsiders | SEE IT | -- | On Order |
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J. Schneider Elektrotechnik | Akku-TEC buffer power supplies | SEE IT | -- | On Order |
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Delta | Single-phase UPS Amplon | SEE IT | -- | On Order |
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Delta | Single-phase emergency power supply UPS 1/2/3 kVA | SEE IT | -- | On Order |
Results per page:
Uninterruptible power supply (UPS) and buffer power supply – their task is to maintain power for other devices in case of power outages or unfavorable grid parameters. UPS systems are used for computers, servers, or in places where uninterrupted operation of other devices is critical, e.g., medical equipment.
Types of UPS devices
Offline UPS
In this type, the power source switch selects the AC input as the main power source. Batteries are automatically charged with a small current when needed, and in case of a failure, the system switches to battery power. Benefits: high efficiency, compact size, low cost.
Online UPS
In an online UPS, the output system is fully isolated from the input. It uses double conversion: AC is first rectified and then converted back to AC through an inverter. This ensures the output is completely resistant to disruptions. Drawbacks: higher cost due to more components.
What is a buffer power supply?
A buffer power supply is the simplest form of emergency power system. It protects selected devices from grid disruptions that could cause malfunctions. It is often used in access control systems or time recording devices.
Buffer power supplies ensure operational stability and continuous power, resist voltage fluctuations and grid disturbances. They support current flows up to 40A. The main drawback is their larger size due to the built-in battery.