QUINT Power Supply

QUINT Power Supply with SFB technology

SMPS Power supplies are the heart of any control cabinet. Availability of a system depends directly upon power supply. In particular, the use of a high quality power supply is decisive in this regard, for even short-term failures can have costly consequences, for example, in plant engineering or special machine engineering.

The new QUNIT SFB power supplies are the third generation of QUNIT POWER supplies offered by Phoenix Contact. These new power supplies boast a series of additional features providing increased functionality. The QUNIT SFB is the first industrial grade power supply to feature Selective Fuse Breaking (SFB), a technology that increases system reliability. The SFB-technology has been designed to provide up to 6 times the nominal output current rating for 21ms. This circuitry allows for individual device protection to active, preventing the entire DC bus from collapsing. 

Product Range

● Output power up to 1000 W
● Signal phase voltages ranging from 12, 24 & 48 V DC with adjustable range & current from 3.5….40 A.
● Three phase voltage of 24 VDC with adjustable range & current ranging from 5……40A.
● Output voltage range extended to 5-18 VDC, 18-29.5 VDC, 30-56 VDC, can be easily set on the front side of the power supply.

Advantages at a glance

● Universal input range 85-264 VAC, 90-350 VDC for single phase and 3×320-575 VAC, 450-800 VDC for three phases.
● Quick Triggering of the commercial power circuits there by causing the defective current path to cut off; all other loads are continuously supplied with 24 V DC.
● Preventive Function Monitoring: – Reports critical operating states before an error occurs by continuously monitoring the output voltage and current.
● Remote monitoring using active switching output and floating relay contact.
● Space-saving SMPS, saves up to 50% in the control cabinet.
● Reliable starting of heavy loads with high inrush currents. Static power reserve POWER BOOST continuous with up to 1.5 times the nominal current.
● High operational reliability of all three-phase devices, even in the event of a permanent phase failure.
● Built-in load sharing capability for parallel operation and increased output current.
● Wide operating temperature range of -25o to 70o C with nominal operating temperature rating of 60o C without de-rating.