BBN International Ltd

Power Supplies for PoE Applications

Active network components that feature Power-over-Ethernet or Power-over-Ethernet+ usually require an external high-performance 48 VDC power supply. MICROSENS offers special power supply units for this extremely demanding use.

The main feature of this power supply unit is the insensitiveness towards electrical interference, which is crucial, especially for applications prone to failure. Further important properties are the high efficiency, extended temperature range, the compact dimensions and simple installation (snap-on) on DIN rails.

The robust power supply units are offered in the power classes 50, 120, 240 and 480 W. The output voltage of 48 VDC can be set directly on the power supply unit up to 56 VDC, which is of special significance for PoE+ (according to IEEE 802.3at with up to 30 W per port). All devices also include effective overvoltage and overload protection.

Features

Top reliability and availability
High efficiency
Wide-range input 85..264 VAC or 90..132 / 180..264 VAC (auto select)
Adjustable output voltage 48..56 VDC or 45..55 VDC
Power classes 50W / 120W / 240W / 480W
Effective overvoltage and overload protection
Parallel operation of up to 3 power supply units (only MS700456/457/458)
Compact dimensions, low tare weight
Extended temperature range -10..+70°C (MS700455), -35..+70°C (MS700456), -40..+70°C (MS700457/458)

Applications