0PS310.1 B & R Automation
Wake Industrial LLC is not an authorized distributor of this product.
The B & R Automation 0PS310.1 is part of the 0PS Power Supplies series and provides a default output voltage of 24.5 VDC with a nominal output current of 10 Amps. This power supply offers an output power of 240 Watts, has a maximum efficiency of 92% at 500 Vac, and weighs 980 grams. It operates reliably up to 70°C with a maximum relative humidity of 95%.
Internal Product Review
The 0PS310.1 is a B & R Automation power supply rated for 240 W output power and 10 A nominal output current. Technical evaluation finds 92% efficiency at 500 Vac and a 543,000 h MTBF in 3-phase mode especially attractive for dependable industrial power distribution.
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Product Description:
The 0PS310.1 three-phase power module is produced by B&R Automation within the 0PS Power Supplies series. Intended for DIN-rail installation in control cabinets, the unit converts an industrial 400 to 500 VAC supply into a stabilized 24 VDC rail that feeds programmable controllers, fieldbus couplers, proximity switches, and pneumatic solenoids. By combining rectification, filtering, and electronic regulation inside a single housing, it simplifies panel layouts and removes the need for separate point-of-use adapters. This arrangement helps connected automation equipment receive consistent DC power even when the incoming line varies within the supported range.
In normal operation, the supply delivers a default rail voltage of 24.5 VDC and can provide a continuous current of 10 A, giving a usable output power of 240 W for motion controllers and digital I/O. When connected to a 400 VAC mains supply, the three input phases draw 3 × 0.8 A, which helps limit conductor heating and supports practical upstream protection selection. At 500 VAC, the conversion stage reaches an efficiency of 92 %, so only a small portion of energy is lost as heat and the unit can operate near its rated output without added forced cooling.
Protective circuitry limits the DC bus to 39 V during transient line surges and withstands reverse energy up to 34 V fed back from inductive loads. Long service life is supported by an MTBF of 543,000 h in three-phase mode, reducing the frequency of replacement in continuously operating systems. The device functions at ambient temperatures up to 70 °C and at 95% relative humidity without condensation, while storage down to -25 °C is permitted. Its metal enclosure measures 124 mm high, 89 mm wide, and 117 mm deep, weighs 980 g, and accepts field wiring up to 4 mm², so it fits compactly on a DIN rail next to standard circuit breakers and contactors.
