75 amp rectifier

Product Information

The Guardian FMP20.24G 75 amp rectifier is a 2000W, AC to DC power-factor-corrected (PFC) power supply unit that converts standard AC mains power into DC output in the range of 23 – 28.5VDC for powering telecommunication, data communication and other distributed power applications and can be used in hot-swap redundant systems.

The 75 amp rectifier incorporates resonance-soft-switching technology to reduce component stresses, providing increased system reliability and very high efficiency.

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. Status information is provided with front panel LEDs and via RS485 management interface.

The FMP20.24 75 amp rectifier meets international safety standards and displays the CE-Mark for the European Low Voltage Directive (LVD).

THREE YEAR WARRANTY

Features and Options
  • Highly efficient topology with power factor correction
  • Wide output voltage range: 23-28.5VDC
  • High density design: 1.4kW/l
  • 1U high: 4.2” x 1.6” x 13.3” cassette
  • RS485 interface status and control
  • RS485 voltage and current limit setting
  • Over temperature, output over voltage and output overcurrent protection, Power limitation
SPECIFICATIONS
 
INPUT
VoltageOperating Range: 85-275VAC
Permitted variation: 85-300VAC
(L-PE and N-PE <250VAC)
Current<9.0A @ 240VAC
<14.1A @ 110VAC
Frequency47-63Hz
Power Factor>0.96 at >30% load
FuseTwo 25A fast blow (L & N)
 
OUTPUT
Voltage Range23-28.5VDC
Power2000W at ≥180VAC
1337W at 110VAC
1100W at 85VAC
Current24V NOMINAL

83.3A at ≥180VAC
55.7A at 110VAC
45.8A at 85VAC
26.8V FLOAT

74.6A at ≥180VAC
50.0A at 110VAC
41.1A at 85VAC
Derating9.5W/Vin from 180-85Vin
Efficiency>92.5% at 230VAC, 50-100% load
ToleranceVout ±1.0%
Transient Response±3% at load variation 10-90% or 90-10%
Load Sharing<5% of nominal current
Ripple<100mV p-p (BW 20MHz)
Psophometric<2mV, according to CCITT norms
 
STANDARDS
Inrush CurrentETSI ETS 300 132-1
HarmonicsEN61000-3-2
EMCETSI 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
EnvironmentalStorage: ETSI EN300 019-2-1
Transport: ETSI EN300 019-2-2
Operation: ETSI EN300 019-2-3
Damp Heat: IEC60068-2-78
 
MECHANICAL
Dimensions, inches (mm)4.2 W x 14.0 D x 1.6 H (107 W x 355 D x 41 H)
Weight4.6lbs. (2.1kg)
CoolingFan-cooled, speed controlled
Insulation4.25kVDC primary-secondary
2.12kVDC primary-ground
0.2kVDC secondary-ground
EnclosureIP20
Mounting19in/23in x 1U subrack
up to 4/5 modules
 
GENERAL
ProtectionShort circuit
automatic current/power limiting
input/output overvoltage
thermal
AlarmsFan 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 IndicatorsGreen: AC normal operation
Yellow steady: Low fan speed, High temperature
Yellow flashing: Comms. failure
Red: Module alarm / shutdown
Audible Noise (nominal input)<54.5dBA @ ≤25°C (70% 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
GUARDIAN FAMILY 24V RECTIFIERS
Model
Number
Input
Voltage

Output
Power 1

Output
Current 1
Max.
Temp
.
FMP20.24 120VAC

1337W

55.7A @ 24V
50.0A @ 26.8V

55°C
208VAC 2000W 83.3A @ 24V
74.6A @ 26.8V
55°C
240VAC 2000W 83.3A @ 24V
74.6A @ 26.8V
55°C

NOTES:
1. Ratings are up to the Max. Temp. ambient indicated. See individual product pages or datasheets for deratings at higher temperatures. The absolute maximum ambient temperature is 75°C.