TNC-A1258

AS-i system voltage for master, sensors, actuators, and modules

AS-Interface power supply units for power supply and unimpaired data transmission

  • High efficiency of 88 % or 90.9 %
  • Low ripple, < 50 mV or < 100 mV
  • Input and output with overvoltage protection
  • With short circuit, idle and overload protection
  • Increased operational reliability due to the bridging of voltage drops
  • Very high efficiency, hence very low heat build-up
  • LED for secondary voltage
  • Power supply units meet the requirements of VDE 0106 for AS-i networks

TNC-A1258 00131747_0
  • Application

Application

  • TROX AS-i power supply unit TNC-1258 (8 A) with data decoupling
  • Voltage supply for sensors, actuators and modules
  • For systems where the power supply is not provided by AS-i
  • Very high efficiency of 90.9 %
  • Low ripple, < 100 mV
  • High reliability

Technical information

  • Function
  • Technology
  • Specification text
  • Order code
Power supply unit TNC-A1258 00122620_0..

DescriptionTNC-A1258
Output current8 A
Nominal voltage, primary115/230 V AC (switching is possible)
Input voltage range100 – 120/200 – 240 V AC; ± 10 %; automatic switching between ranges
Nominal frequency50/60 Hz
Efficiency89.4 % (120 V AC; 60 Hz)/90.9 % (230 V AC; 50 Hz)
CasingSheet steel
Protection levelIP 20
ConnectionScrew terminals
Temperature range–25 to 70 °C
Derating6 W/K (60 – 70 °C)
Output voltage30.5 DC
Power ON delay time≤ 800 ms
Residual ripple< 100 mV
Mains buffering time44 ms (120 V AC; 60 Hz)/42 ms (230 V AC; 50 Hz)
With short circuit protection / overload protectionYes
EMCEN 61000-6-1; EN 61000-6-2; EN 61000-6-4
MTBF771000 h
AS-i certificate98501
Status LEDGreen (display of AS-i voltage)
FixingOn mounting rail


Standard description (characteristics)

AS-i power supply units, 115/230 V AC, with data decoupling, ensure power supply for master, sensors, actuators and modules.

  • Nominal voltage: 115/230 AC V
  • Nominal frequency: 50/60 Hz
  • Efficiency: 90.9 %
  • Connection: Screw terminals
  • Casing materials: Galvanised sheet steel
  • Ambient temperature: –25 to 70 C°
  • Protection level: IP 20
  • Function LED: Green (display of AS-i voltage)
  • Make: TROX GmbH or equivalent
  • Type: TNC-A1258

00122490_0.
 

 Power supply unit
TNC-A1256       Output current 2.8 A
TNC-A1258       Output current 8 A

 

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