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MajorTHS Power System offers -48 VDC power with a load range of up to 50 Amps
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MajorTHS Power System offers -48 VDC power with a load range of up to 50 Amps MajorTHS Power System offers -48 VDC power with a load range of up to 50 Amps MajorTHS Power System offers -48 VDC power with a load range of up to 50 Amps Tel: 514.369.4919 Fax: 514.369.4817

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MajorTHS Telecom Power System
up to 50 Amps with 10-Amp Rectifier

MajorTHS Power System offers -48 VDC power with a load range up to 50 Amps. One to five plug-in rectifier modules with a rating of +10 Amps at -48 V may be plugged into the system. The MajorTHS Power System also houses the MajorTHS Alarm Unit to provide alarms and comprehensive remote monitoring Control.

MajorTHS Power System combines a compact modular design with state-of-the-art technology, and standard, intelligent power features: temperature compensation and a low voltage disconnect.

MajorTHS Brochure Download
  MajorTHS 10 Amp Specs
MajorTHS System Features
  • Compact Power Plant
    • Decreases the footprint over traditional power systems.
    • Increased power density & design flexibility allow system to grow with up to five modules in one shelf measuring 5.25" high by 12" deep in a standard 19" rack (3U).
    • Can comprise Rectifier, Battery Disconnect and Alarm Unit
  • Cost Efficient
    • Modular design allows for quick installation and maintenance, reducing operation costs and providing flexibility on module number growth. Active power correction assures optimum AC power efficency, lowering overall utility costs.
  • Uninterrupted Operation
    • Rectifier modules may be added without interruption of service.
    • Plug-in rectifiers enable system's growth without additional wiring.
    • A true "plug and play" system management tools over internet/intranet environments.
  • Reliable
    • Designed using state-of-the-art technology, stringent quality control & rigorous system testing.
  • Battery Protection
    • Temperature Compensation, Low Voltage Disconnect and battery disconnect features provide state-of-the-art battery plant protection.
  • Remote Management
    • Equipped with RS-232 direct connect/modem and RJ-45 Web Interfaces for local or remote monitoring and control.
  • Batteries
    • Designed to accept up to two battery string inputs. Batteries are protected by battery disconnect on the Distribution Module.
    • Capable of operating with any manufacturer's batteries.
    •
  • Distribution Module
    • Provides primary Bus output at rear terminal and contains LVDS & battery breakers.
  • Hot Swappable
    • 600 Watt rectifiers, wide range PFC input
  • Front accessible
  • High power density in N+1 configuration
  • Battery Disconnect Breaker
  • Low Voltage Disconnect
  • 10 Base T Lan Interface
  • Temperature Compensation Voltage Control
  • Equalize Charge Timer
  • Wide Operating Temperature Range
    • -20° to +65°C/-4° to 149°F
    •
MajorTHS System Specifications
MajorTHS Power Shelf
AC Input 1Ø, 90 - 275 Vac
System Max. Capacity -48V/10A - 50A
Load Terminal Block 50 Amps
Battery Disconnect Breaker 50 Amps Single-pole
Low Voltage Disconnect 48 V / 50 A
Operating Temperature -4 to +149 (-20 to +65 )
Storage Temperature -40 to +185 (-40 to +85 )
Humidity 0 - 95% Relative Humidity, Non-Condensing
Altitude -500 to +10,000ft
Dimensions 19"W x 5.25"H x 12"D (482.6 x 133.4 x 304 mm)
Safety UL/CUL Approved

The MajorTHS Rectifier Module operates from a nominal 200/208/240 VAC source and provides 48 VDC @ 10 Amps over a temperature rage of -4°F to +149°F (-20°C to +65°C).

The MajorTHS Rectifier Module provides highly regulated and low noise power. One shelf can provide from 10 Amps to 50 Amps, growing from one to five rectifiers.
MajorTHS Rectifier Module Specifications
Input
Input Voltage 176 VAC - 275 VAC, single phase
(275 VAC - 300 VAC, no damage
121 VAC - 175 VAC: Derated to 70% Load,
90 VAC - 120 VAC: Derated to 50% Load)
Input Current <4 Amps (Low Line Input. Full-Load)
Line Frequency 45 - 65 Hz
Power Factor >0.99 (Nominal Input, Full-Load)
THD Typical 5% (Nominal Input, Full-Load)
Efficiency >90% (Typical 91%) Nominal Input. Full-Load
Inrush Current <9 Amps (peak), Nominal Input, Full-Load, Cold Start
Start Time Delay (Walk-in) 3 - 10 Seconds
Protection Fuse
Output
DC Output Voltage 40 - 60 VDC
Output Power 600 Watts (Maximum)
Regulation Load: <±0.5% (Load 0 - 100%); Line: <±0.1% (Load 0 - 100%)
Current Limit <110% of rated Output Current
Noise Audio Band: <2mV (-48 VDC), CCITT
Wide Band: <10mVrms (10 Khz - 100 MHz)
Acoustic: <55dBA @ 1M
Current Sharing <5% of Rated Output Current
Dynamic Response 10 - 90% Load Change; Overshoot <5% Rated Output Voltage
Recovery Time <1 ms to <± 1% Rated Output Voltage
Protection Fuse
Protection
AC Input Voltage High Automatic Shutdown and Recovery (300 V ± 10 V)
AC Input Voltage Low Automatic Shutdown and Recovery (80 V ± 10 V)
Brown-Out No Damage During Brown Out Conditions
Output Short Automatic Shutdown and Recovery (170% - 200% of Rated Current)
Output Current Automatic Shutdown and Recovery
High Voltage Shutdown If rectifier module voltage exceeds preset value, module will shut down and latch
Over Temperature Automatic Shutdown and Recovery (100 ±5°C)
Environmental
EMI/RFI Suppression EN 55022, BS 6527 Class B, FCC Part 15 Subpart J & CISPR 22 Class B
Current Harmonic EN 61000-3-2/A12, EN 60555-2, IEC 555-2 Class A
Voltage Fluctuation EN 61000-3-3, EN 60555-3
Electrostatic Discharge EN 61000-4-2, IEC 1000-4-2,
IEC 801-2 Level 4,15KV Air Discharge, 8KV Constant Discharge
Radiated Susceptibility IEC 1000-4-3, IEC 801-3 Level 3, 10V/m
Electrical Fast Transients EN 61000-4-4, IEC 1000-4-4, IEC 801-4 Level 4, 4KV
Conducted Susceptibility IEC 1000-4-6 Level 3, 10V/m
Lightning/Surge ANSI/IEEE C62.41-1, 1991 B3, IEC 1000-4-5 Level Special (6KV)
Status/Alarm Indicators
AC ON Green LED
Rectifier Failure Alarm (RFA) Red LED
Current Limit (CL) Amber LED
Adjustments
Current Limit (CL) Setting from System Controller (SMR or CSU)
Float Voltage (FLO) Setting from System Controller (SMR or CSU)
Test Points (I+,I-) Output Current Test
Remote Control Emergency Shut Down, Float / Equalize Mode, Current Limit
Physical
Dimensions 2.5"W x 5.2"H x 9.57"D (63.6 x 132 x 243.1mm)
Weight 4.4 lbs / 2.0 kg
Cooling Fan Cooling (>5 Years Long Life)
Heat Dissipation 228BTU/Hour Max Per Module
Approvals
Safety Meets IEC 950, EN 60950, UL/cUL/TUV/CE Approval
MTBF >150K Hours at 25°C / 47°F Environment Temperature

The MajorTHS Power Shelf is equipped with both an RS-232 direct connect/modem and RJ-45 Web Interfaces for local or remote monitoring and control. This functionality offers powerful system management tools over Internet/Intranet environments.

The MajorTHS Alarm Unit provides output alarms, voltage control, temperature compensation, equalize charge timer and alarm LEDs. The remote management function reduces the cost of system maintenance.
MajorTHS Alarm Unit Specifications
Input Voltage
Input Voltage Range 20 VDC - 59.5 VDC
Input Current 0.6 Amps (maximum)
LED Indicator
LED Float Charge; Equalize Charge; High Voltage Alarm; Low Voltage Alarm; Major; Minor; High Voltage Shutdown; AC Fail; Fuse Blown; Low Voltage Disconnect
Parameters & Controls
Settings High Voltage Shutdown (HVSD); DC High Voltage; DC Low Voltage; AC High Voltage; AC Low Voltage; Battery Temperature; Site ID; Float/Equalize Voltage; LVDS Trip Voltage; HVSD Reset; Temperature Compensation ON/OFF; Equalize Charge Timer; Remote SMR ON/OFF, Float/Equalize Control
Relay Output Communication
Relay Output AC Fail Alarm; Major Alarm; Minor Alarm; Fuse Blown (BREAKER TRIP); HVSD Alarm; High Voltage Alarm; Low Voltage Alarm; LVDS Open Alarm
Remote Monitoring & Control
RS232 Interface By RMS Software (Use RS232 Interface)
LAN Interface (RJ45) By Web Server (Optional)
Physical & Standards
ESD IEC 1000-42 (Contact 4KV, Air 8KV)
Dimensions 1.82"W x 5.2"H x 9.89"D / 46.2 x 132 x 251.3mm
Weight 2.6 lbs / 1.2 kg
Custom Application - Contact MajorPower.Com
 
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