DC Rectifier System 48V or 24V
UNITY RECTIFIER SYSTEM
The Unity Rectifier System comprises a low profile 1.75″ (1 RU) Rectifier Shelf, which accommodates up to three 150 watt, -48VDC or +24VDC hot-swap Rectifier Modules, plus an optional GMT Fuse Distribution Panel, which contains five individually fuse-protected circuits. The Unity Rectifier System is scalable/adaptable for N, N+1 or N+2 configurations. Front panel test points and voltage adjustment pot are provided for fine-tuning output to the requirements of sensitive loads, and to optimize load sharing. Form C status contacts enable remote alarms for the Rectifiers and Fuse Distribution circuits. Front panel OK/FAIL LED’s allow monitoring status of each Rectifier individually. The optional Power Distribution Module employs industry standard GMT Fuses, configured with alarm contacts and a front panel “BLOWN FUSE” LED indicator.
| Shelf | Input | Capacity | Size | Weight |
| URS | 115/230 VAC Nom. | 3 Unity Rectifiers (-48 or +24 V), 1 GMT fuse panel |
19/23” Rack mount, 1 RU | 6.7 lbs/3.4kg |
| Rectifier | Input Amps @ Full Load 115/230V |
Output Voltage | Output Amps Cont. |
Watts | Size | Weight |
| UR48-3 | 2.2/1.1 | -54.4 VDC, adjustable 42-56 VDC | 3 | 150 | 1 RU | 1.9 lbs/0.86kg |
| UR24-6 | 2.2/1.1 | +27.2 VDC, adjustable 21-28 VDC | 6 | 150 | 1 RU | 1.9 lbs/0.86kg |
| GMT Panel | Nominal Input/Output |
Total Fuse Fuse Capacity |
Total Current Capacity |
Size | Weight |
| UFP-5 | -48 or +24 VDC | 5 | 20A | 1 RU | 1 lb/0.45kg |
Optional System Component:
Unity Rack Mount Low Voltage Disconnect (LVD) and Monitor – (ULM-100)
The Rack Mount LVD and Monitor (ULM-100) 19″ / 23″ 1RU assembly contains numerous DC control and monitoring features that integrate power and distribution components into a highly functional system. more…….
Ordering information:
- URS 19″ / 23″ 1U Rectifier Shelf
- UR48-3 48VDC 3Amp 150Watt Rectifier module
- UR24-6 24VDC 6Amp 150Watt Rectifier module
- UFP-5 GMT Fuse Panel
- GMT-1 1Amp GMT Fuse
- GMT-3 3Amp GMT Fuse
- GMT-5 5Amp GMT Fuse
- GMT-7.5 7.5Amp GMT Fuse
- GMT-10 10Amp GMT Fuse
- GMT-15 15Amp GMT Fuse
Optional System Component:
- ULM-100 Rack Mount LVD and Monitor
- 150 watt rectifier units – 48 or 24 volt, slide and lock into the Unity Shelf
- Shelf accommodates up to three rectifiers—450 watts total—plus an optional five-position GMT fuse panel
- Scalable/adaptable hot swap configuration: N, N+1, N+2
- Front panel status indicators, output voltage test points and adjustment potentiometers
- Individual or summary rectifier alarm contacts; Form C
- Summary fuse panel alarm contacts; Form C
- Forced air cooling of rectifiers for extended component life
- 115/230 VAC shelf/rectifier input—easily adapts to available site power
- GMT fuse panel: Five positions, easy rear panel wiring to loads, fuse access at front
- Shelf adapts for 19″ or 23″ rack; center or flush mount (four-point cabinet mount optional)
Unity Rectifiers
Models:
- UR48-3
- UR24-6
Input Voltage/Frequency/PF: 85-264 VAC* / 47-63 Hz. / .96-.98
Input Amperage:
- 2.2 amps @ 115V and full load
- 1.1 amps @ 230V and full load
Input Frequency: 47-63 HZ.
Power Factor: .96-.98
Output Voltage/Amperage*:
- UR48-3: -54.4 VDC, adjustable 42-56 VDC, 3 amps continuous
- UR24-6: +27.2 VDC, adjustable 21-28 VDC, 6 amps continuous
*100 % output power available from 105 to 264 VAC; Derate output linearly from 100%@105 VAC to 80%@85 VAC
Efficiency: 83% per rectifier
Regulation: +/- 2 %
Ripple:
- UR24-6: 150 mV
- UR48-3: 250 mV
Protection: Over-voltage, current limiting, over-temp, forced air cooling
Alarms/Indicators: Output failure contacts; Form C
Front panel LED indications: “DC OK/DC FAIL” Front panel voltage test points and adjustment
Operating Temperature: -10°C to +60°C; 100 % load to +50°C; Derate linearly to 80 % load @ 60°C
Weight: 1.9 lbs/0.86kg.
Design Standards:
- EN55022 Class B,
- EN61000-4-2,3,4,5,6,8,11,
- EN61000-3-2,3,
- UL 1950
Approvals: UL Recognized 60950
Unity Rectifier Shelf
Model: URS
Input: 115/230 VAC nominal
Capacity: Up to Three Unity Rectifiers, -48 or +24 volt and one GMT Fuse Panel (UFP-5)
Mounting: 19″ or 23″ rack; center or flush mount (four-point cabinet mount optional)
Weight: 6.7 lbs/3.4kg.
Unity Fuse Distribution Panel
Model: UFP-5
Voltage: -48 VDC or +24 VDC nominal (selectable by jumper)
Current: 20 amps max. total
Capacity: Five GMT fuses, 10 amps max. per individual fuse
Available Amperages: 1, 3, 5, 7.5, 10, 15 Amps
Alarms/Indicators:
- Output failure summary alarm contacts; Form C
- Front panel blown fuse summary LED indicator
- Individual visual blown fuse indication
Weight: .9 lb/0.45kg.
