Telecom Power Supplies MajorPS300 300 Watts

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MajorPS300 AC/DC Converters

MajorPS300 Series - Enclosed Case - 300W Single-Output

The MajorPS300 Series of AC/DC converters uses a field proven high frequency half-bridge technology to generate 300W of output power with convection cooling. Virtually any DC output is possible with short delivery times.

Plug-in design features low component count and high efficiency. The use of high quality components and rigorous quality control results in an MTBF exceeding 200,000 hours at 45°C.

Compact size -11.40" x 5.20" x 2.525"

Single regulated and adjustable output

300W of output power

Full electronic protection

Telecom quality

Field-proven design

Also available as plug-in module

N+1 redundancy available

MajorPS300 Series - 300W Plug-In Module Single-Output

The MajorPS300 Series of AC/DC converters uses a field-proven high frequency conversion technology to generate 300W of output power with convection cooling. Standard output voltages are 24V or 48V; other voltages are available. This design features low component count and high efficiency. The use of high quality components and rigorous quality control results in an MTBF exceeding 100,000 hours at 45°C.

The MajorPS300 module plugs into a pre-wired 19" shelf that can hold up to 6 modules or a 23" shelf pre-wired for 7 modules. The rear of the shelf has copper rails with studs for the input and output connections.

Compact size: 4U x 304mm x 16HP/14HP

Single regulated and adjustable output

300W of output power with convection cooling

Full electronic protection

Telecom quality

Field-proven design

Also available in a stand-alone version

N+1 redundancy available

MajorPS300-SYS

Input
Voltage	115/230 VAC ±15%; 47 - 63Hz; Auto-ranging available
Protection	Thermal Fuse; Inrush current limiting
Isolation	2250 VDC input to chassis; 4300 VDC input to output, 8 mm spacing; 500 VDC output to chassis
Output
Voltages	12 VDC/25 Amps, 24 VDC/12.5 Amps, 48 VDC/6.25 Amps, 125 VDC/2.4 Amps standard
Line/Load & Cross Regulation	±1% combined
Overvoltage Protection	Double regulator loop
Overload Protection	Current limiting with short circuit protection. Self-resetting thermostat for thermal protection
Efficiency	Min 80% at full load
RFI Suppression	Meets requirements for FCC Class A and EN 55022 Class A conducted emissions
Ripple/Noise	Better than 1% of output voltage peak to peak or 0.2% RMS of output voltage (20 Hz BW)
Hold Up Time	Minimum 10 ms at full load for 5% drop of output voltage
Mechanical
Operating Temperature	0 to +50°C with convection cooling, Extended temperature range available
Temperature Drift	0.03% per °C over operating temperature range
Dimensions	‘F’ Package: 11.4” x 5.2” x 2.525” Plug-in module: 4U x 304mm x 16HP Shelf: 4U x 19” or 23” x 15” deep
Connections	Screw type terminal block. H15 DIN connector for the modules Copper studs for the shelf. For other connectors please consult factory
Warranty	Twelve months subject to application within good engineering practice
Approvals	Full compliance to IEC950, CSA 22-2-950 and UL 1950 Please contact MajorPower.Com for approval status for the requested input/output configuration

Enhancements to these general specifications and customizing can be accommodated upon request
Designed to meet all approval requirements

Custom Supplies Application - Contact MajorPower.Com

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