New from Murrelektronik: Emparro 3-phase power supplies

Murrelektronik's Emparro family has a new member. The newly developed Emparro 3-phase power supplies for 24V applications are important components in quality power management systems. These units are not only reliable but also very efficient as a result of their integrated reserved power. However, they do not require much space in the cabinet.

Reliable power supplies are an essential component to ensure availability of machines and systems. Therefore, reliability was a high priority during development of these new 3-phase units. Their high MTBF value of about 1,000,000 hours shows this clearly. Achieving this MTBF is possible because of the high-quality components, modern and slim circuit board design and processor-controlled electronics. An integrated gas discharge valve protects the power supply from interfering pulses up to 6kV. Therefore, overvoltage coming from the mains, EMC interference (as caused by frequency converters) or contact bounces cannot cause any damage.

The up to 95 per cent efficiency rating is another reason the Emparro 3-phase unit has such a long life span. The resulting power loss is very low, which exposes the components to less thermal stress. The Emparro 3-phase efficiency rating is the same whether it is operating at full power or at any point along the load range, including when it is operating at low capacity. This is an important benefit especially when compared with other power supplies.

Emparro 3-phase power supply units have a special feature: they have reserved power integrated. They are designed in such a way that they can be operated with up to 20 per cent overload in ambient temperatures of up to 45degC. The 5A models continuously supply 6A, 10A models 12A and 20A units 24A.

This offers two essential benefits. The first is that if additional loads have to be connected to a machine or a system, Emparro 3-phase offers the necessary reserve. The second is if the demand is close to the maximum of a power supply a larger power supply does not have to be used. Instead, the reserve can be used to meet the demand thus saving cabinet space and money that would have been spent on a larger power supply. Emparro 3-phase also features two different boost functions: power boost and hyper boost. The Power Boost supplies 50 per cent more power for up to 5s while the Hyper Boost provides up to 400 per cent more power for up to 20ms.

Emparro 3-phase power supplies are very compact: the 20A model fits in a 65mm-wide housing. When compared with similar power supplies, this saves a lot of space in the cabinet. The vibration-resistant push-in terminals make installation tool-free, so connection maintenance becomes a thing of the past. While the integrated fuses help to reduce planning and wiring efforts.

Emparro 3-phase power supplies features

  • Continuous 2-phase operation
  • Parallel operation (Connect up to five Emparro 3-phase units to each other)
  • Alarm contact for over voltage, short circuit and temperature
  • Excellent EMC characteristics
  • LED indicators
  • Derating from 60degC
  • QR code for direct access to technical documentation

In the initial product launch, Emparro 3-phase will be available in 5, 10 and 20A models. By the end of the year, a 40A model will round out the product line. Go to www.murrelektronik.co.uk for further details.

Murrelektronik Ltd

5 Albion Street, Pendlebury Industrial Estate
Swinton
Manchester
M27 4FG
UNITED KINGDOM

+44 (0)161 728 3133

sales@murrelektronik.co.uk

www.murrelektronik.co.uk

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