UNIPOWER Guardian FMPe20.48 Rectifiers

The UNIPOWER Guardian FMPe20.48 42 amp rectifier incorporates resonant technology to reduce component stresses, providing increased system reliability and a best-in-class efficiency. The rectifier features a wide input operating voltage range to maximize power availability within demanding utility power environments. Alpine Power Systems is an approved vendor of UNIPOWER products. The Guardian FMPe20.48 has a three year warranty.

These compact 42 amp rectifiers support up to 10kW in a 1RU 23” shelf. A wide variety of distribution options are available to provide the maximum system flexibility for a wide range of communications applications that demand efficiency, reliability, and flexibility including wireless base stations, remote switches, and broadband access.

Guardian FMPe20.48 Features & Benefits:

• High efficiency (>96% typical efficiency) and energy saving

• Leading power density of up to 21.5W/in³

• Rugged input voltage range

• Thermal protection

• Hot-swappable

• International standards compliance

Guardian FMPe20.48 Specifications:

Input:

• Voltage: Operating Range: 85-275VAC. Permitted variation: 85-300VAC (L-PE and N-PE <250VAC)

• Current:

  • <8.7A @ 230VAC

  • <11.1A @ 120VAC

• Frequency: 47-63Hz

• Power Factor: >0.99 at >25% load

• Fuse: Two 25A fast blow (L & N)

Output:

• Voltage Rating: 44-57.6VDC

• Power:

  • 2000W at ≥180VAC

  • 1100W at 110VAC

  • 779W at 85VAC

• Current: 48V Nominal, 53.5V Float

  • 41.7A at ≥180VAC, 37.4A at ≥180VAC

  • 22.9A at 110VAC, 20.6A at 110VAC

  • 16.2A at 85VAC, 14.6A at 85VAC

• Derating: 12.9W/Vin from 180-85Vin

• Efficiency:

  • >96% from 30-70% load

  • >95.5% from 25-100% load

• Tolerance: Vout ±0.5% from 10-90% load

• Transient Response: ±6% at load variation 10-90% or 90-10% 50ms recovery

• Load Sharing: <5% of nominal current

• Ripple: <200mV p-p (BW 20 MHz)

• Psophometric: <2mV, according to CCITT norms

Standards:

• Inrush Current: ETSI ETS 300 132-1

• Harmonics: EN61000-3-2

• EMC:

  • ETSI EN300 386 V.1.3.2

  • EN61000-6-1, EN61000-6-2

  • EN61000-6-3, EN61000-6-4

  • EN55024 performance criterion A

  • EN55022 Class B

  • Telcordia NEBS GR1089

• Environmental:

  • Storage: ETSI EN300 019-2-1

  • Transport: ETSI EN300 019-2-2

  • Operation: ETSI EN300 019-2-3

  • Damp Heat: IEC60068-2-78

  • MIL-STD-810D section 507.2

  • Earthquake: GR 63 Core Zone 4

Mechanical:

• Dimensions, inches (mm): 4.2 W x 14.0 D x 1.6 H (107 W x 355 D x 41 H)

• Weight: 4.6lbs. (2.1kg)

• Cooling: Fan-cooled, speed controlled

• Insulation:

  • 4.25kVDC primary-secondary

  • 2.12kVDC primary-ground

  • 0.2kVDC secondary-ground

• Enclosure: IP20

• Mounting:

  • 19in/23in x 1U subrack

  • Up to 4/5 modules

General:

• Protection:

  • Short circuit

  • Automatic current/power limiting

  • Input/output overvoltage

  • Thermal

• Alarms:

  • Fan failure

  • Short circuit/arcing protection

  • High temperature/output voltage

  • Low output voltage

  • Input voltage out of range

  • Low fan speed (warning)

  • Internal communication failure

• LED Indicators:

  • Green: AC normal operation

  • Yellow steady: Low fan speed, High temperature

  • Yellow flashing: Comms. failure

  • Red: Module alarm / shutdown

• Audible Noise (nominal input)

  • <39dBA @ ≤25°C (50% load)

  • <57dBA (100% load)

• Operating Temperature: 

  • -40°C to +75°C up to 2000m

  • Reduced spec -40°C to -20°C

  • Derated output power from 55°C linear derating to 75°C

  • For 3000m altitude derated by 5°C

• Storage Temperature: -60°C to +85°C

• MTBF @ 25°C (without fan): >350,000 hours to MIL-HDBK-217F-2

Alpine Power Systems is a value-added reseller of UNIPOWER products. Alpine can provide DC Power System services on all UNIPOWER products including engineering, installation, preventative maintenance, monitoring and recycling. Alpine provides services for data centers, telecom, healthcare, oil & gas and many other applications. Contact us today for pricing and technical inquiries.