Inter Projekt your wireless partner
Italian german English Polish flag
 +48 32 302 29 07 
+48 32 302 29 37 
Pay with PayPal Pay online with Master Card
    Top » Catalog » Uninterrupted Power Supply » ZAS-BUF-AD-55-24  
|- sunMAX
|- Boards
Shopping Cart
0 items

AD-55B 24V 55W DC UPS Switching Power Supply


Order Total
1+ 10+ 20+ 50+ 100+ 200+ 500+ 1000+
  1000 EUR 2000 EUR 5000 EUR 10000 EUR 20000 EUR   
Price17.19 EUR16.83 EUR16.47 EUR16.11 EUR15.75 EUR15.46 EUR15.15 EUR14.85 EUR
  24 pcs/carton
out of stockout of stock
Zasilacz buforowy 24V 55W
Switching power supply 24V 55W ensures uninterrupted powering of MikroTik RouterBoards or other devices demanding the voltage of 24V. The power supply works with two accumulator batteries 12V/7Ah or 12V/5Ah. In case of power loss the power supply delivers the power from the batteries. When the power comes back the power supply returns to it normal operations and the batteries are recharged automatically.

Features : #

  • Universal AC input / Fullrange
  • Protections: Short circuit / Overload / Overvoltage
  • Battery low protections
  • Cooling by free air convection
  • 100% full load burn-in test
  • Fixed switching frequency at 45KHz
  • With UPS function (need external batteries)
  • Suitable for security industry or battery backup systems

Technical Specification#

DC Voltage 27.6
Rated current 1.8A
Current range 0~2A
Rated power 53.92W
Ripple & Noise 100mVp-p
Voltage adj. range 24-29V
Voltage tolerance 1.0%
Line regulation 0.5%
Load regulation 0.5%
Setup, Rise time 800ms, 50ms/230VAC 1600ms
50ms/115VAC at full load
Hold up time 80ms/230VAC
6ms/115VAC at full load
Voltage range 88~64VAC 24~70VDC
Frequency range 47-63Hz
Efficiency 74%
AC current 1.6A/115VAC 1A/230VAC
Inrush current Cold start 20A/115VAC 40A/230VAC
Leakage current
Overload 105~50% rated output power,
Hiccup mode, recovers automatically after fault condition is removed
Over voltage 28.98~37.26V,
Hiccup mode, recovers automatically after fault condition is removed
Working temp. -10~+60C
Working humidity 20-90% RH non-condensing
Temp. coefficient 0.03%/C (0-50C) on output
Vibration 10-500Hz, 2G 10min./1cycle, 60min.
Safety & EMC
Safety standards UL60950-1, TUV EN60950-1 approved
Withstand voltage I/P-O/P:3KVAC I/P-FG:1.5KVAC O/P-FG:0.5KVAC
Emi conduction & radiation Compilance to EN55022 (CISPR22) class B
Harmonic current Compilance to EN61000-3-2,3
EMS Immunity Compliance o EN61000-4-2,3,4,5,6,8,11;
ENV50204, EN55024, light industry level , criteria A
MTBF 304.3K hrs min. MIL-HDBK-217F(25C)
Dimension(LxWxH) 159x97x38mm
Print this page
This product was added to our catalog on Tuesday 06 October, 2009.