LevelOne 48V DC Industrial Power Supply, 75W, DIN-Rail, PoE Ready

The LevelOne POW-4821 is a 48V DC industrial DIN-rail power supply designed for reliable operation in harsh industrial environments. It delivers 75W continuous power (76.8W peak) from a wide AC input range of 90–264V and supports operation at full load across an ambient temperature range of -20 to 60 °C without additional cooling. The unit is compact (125.2 × 102 × 32 mm) and intended for DIN-rail installation. It is approved to relevant safety and EMC standards, including UL508, TUV EN60950-1, EAC TP TC 004 and BSMI CNS14336-1, and complies with EN60204-1. The POW-4821 is also designed to meet the power requirements of PoE and PoE+ applications when used with compatible Infinity Industrial PoE Ethernet devices.

Advantages

The POW-4821 offers a wide AC input range (90–264V) and stable 48V DC output, high MTBF (approximately 506,600 hours) and a compact housing suitable for DIN-rail mounting. It operates at full load across a wide temperature range (-20 to 60 °C) without extra cooling and carries multiple international safety and EMC approvals for industrial installations.

Suitable for

• Industrial automation equipment requiring 48V DC power
• DIN-rail electrical cabinets and control panels
• Powering PoE and PoE+ compatible Ethernet devices when paired with Infinity Industrial PoE systems
• Environments with wide AC input variation (90–264V)

Key specifications

• Output voltage: 48V DC
• Continuous output power: 75W
• Peak power: 76.8W
• Input voltage: 90–264V AC
• Operating temperature: -20 to 60 °C at full load
• Dimensions: 125.2 × 102 × 32 mm
• MTBF: approx. 506,600 hours
• Approvals: UL508, TUV EN60950-1, EAC TP TC 004, BSMI CNS14336-1; complies with EN60204-1

How to use

Mount the POW-4821 on a standard DIN-rail inside an electrical cabinet or control panel. Connect the AC input (90–264V) to the supply terminals following local wiring regulations and the device polarity markings. Connect the 48V DC output to the load or to the PoE system components designed to accept a 48V supply. Verify secure terminal connections and ensure the ambient temperature remains within the specified -20 to 60 °C range for full-load operation.

Recommendations

Install the power supply in a ventilated cabinet free from excessive dust, corrosive gases and strong vibrations. Use appropriate fusing on the AC input and check compatibility with connected PoE devices; observe the continuous and peak power ratings to avoid overloading.