MS250 ASTEC | Alldatasheet

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Technical content

rev 12.01.01 America’s (USA): 1-888-41-ASTEC Europe (UK): 44 (1384) 842-211 Asia (HK): 852-2437-9662164 Special Features Electrical Specs

250 Watts

  • 250W Output
  • Fixed DC Output Voltage: (-54.4 VDC)
  • Convection Cooled
  • Power Factor Correction
  • Current Sharing of up to three units mountable on 19” or 23” brackets
  • Soft Switching Technology
  • Full Output Power at Full Temperature Range
  • AC Connection through IEC Type Connector
  • 2 DC power connections for load and/or battery strings
  • 2 Alarm LED’s at front - RFA alarm, AC Fail
  • Compact Size (2.48" inches High x 5.23" wide x 11.85" deep) Input AC Input Voltage Range 110 Vrms (86 - 132) Frequency 50-60 Hz (45-65 Hz) Efficiency >86% Power Factor 0.99 for > 50% rated output current Total Harmonic Distortion <5% for >50% rated output current Output DC Output Voltage Range -54.5 VDC +/- 0.5% Maximum Output Power 250 W (4.6 ADC @ -54.5 VDC) Voltage Regulation ±0.5% Dynamic Response ±0.5% Protection and/or Disconnect Internal DC Fuse Parallel Operation ±10% of rated current between rectifiers Power Limit 102.5% ±2.5% of rated power Capacitor Precharge Automatic upon insertion of rectifier Hold-up Time Vout remains >42 V for 30 msec Voice Frequency Noise <55 dB rnC High Frequency Noise (wideband) <100 mVrms

250 Watt 48VDC Compact Power Solution

EMC/EMI: FCC Class B, part 15, subpart B, and Bellcore 1089 ESD: TR-NWT-001089, 15 kV no damage, 2 kV no disturbance Temperature and Humidity: -40°C to +50°C (up to +65°C with sufficient air flow) Acoustic Noise: <55 dB with ‘A’ weighting Cooling: Natural Convection Shock and Vibration: TR-NWT-000063 Fire Resistance: All materials UL 94-VO Environmental UL 1950 IEC 950 CSA C22.2 # 950 Safety TM

Astec House, Waterfront Business Park Merry Hill, Dudley West Midlands, DY5 1LX, UK Telephone: 44 (1384) 842-211 Facsimile: 44 (1384) 843-355 AAMMEERRIICCAASS

5810 Van Allen Way

Carlsbad, CA 92008 Telephone: 760-930-4600 Facsimile: 760-930-0698 165

Ordering Information

www.astec.com ASIA Units 2111-2116, Level 21 Tower1, Metroplaza 223, Hing Fong Road Fwai Fong, New Territories Hong Kong Telephone: 852-2437-9662 Facsimile: 852-2402-4426 www.astec.com 165 MMiinnii PPaacckk 225500 IInnppuutt VVoollttaaggee OOuuttppuutt VVoollttaaggee TToottaall PPoowweerr MMooddeell NNuummbbeerr

110 VAC -48 VDC 250 W MS250

Option: Bracket to mount 1 to 3 systems on 19" or 23" bracket Model # P0876085