Industrial Power Supplies
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■ Control Solutions Industrial Power Supplies Delta Series Power Supplies Compact Series Power Supplies / USP LOCC-Box / LCOS CC - Intelligent DC Circuit Protection

Cable Solutions Efficiency in Automation - A reflection of our company philosophy As an experienced specialist in automation technology, with solutions for flexible and high flexing cables, cable assemblies, interfaces, current control and cabinet wiring, we have had a focus on efficiency for many years. Connectivity Solutions LÜTZE defines Efficiency in Automation field as the use of sustainable products and solutions to further increase the performance of our products in our customers applications. We realise this by using components for highly efficient control systems, products with...

Business Management: Sustainable and forw product policy - and from now in the SkyBLUE campaign. We manufacture our products in a resourceful and energy-conscious manner. We use long lasting, environmentally-friendly materials. And our products, in turn, help our customers save energy and resources. Good for everyone: for us, for the environment, for our customers a win-win-win situation. The future is blue Sustainable enterprise means thinking and planning ahead, understanding and embedding the belief that long lasting success is more important than short-term profit maximisation. This is...

ard-looking „The competitiveness of our industry and of its suppliers depends quite substantially on how we succeed in developing practical results. The results that we produce together today, are our competitive advantages in the future.“ Udo Lutze, Member of the Executive Committee of the Green Carbody Innovation Alliance Goods with real value The value of a product or a solution from LUTZE is determined by its sustainable qualities as well. Every innovation is only as successful in the future if it has a long-term positive effect. Therefore, we provide long lasting as well as highly...

Comprehensive range of industrial power supplies High efficiency through advanced digital technology Efficiency up to >94 % Extremely compact Power Boost Power range from 10 W up to 2400 W Output voltages from DC 5 V up to DC 72 V.

DELTA DELTA LCOS Modular LCOS Modular

Buffer module LOCC-Box DC Control Circuit Protection devices ™ j* j§ Part number Type Page i, * ttillislfifl .ill i i o s i u ! n i ii 111 oi5SS-/-cNiiOOOo.iiJ[ij</jo.o. • • • • • • 716400 LOCC-Box FB7-6400 62

Power Supplies · Basics 2. Safety A power supply has a decisive influence on the availability and operational reliability of electrical systems. The safety of people and equipment is always the priority. Accordingly, power supplies must comply with unified regulations and standards. Consequently, the selection of the right power supply should be just as critically and carefully undertaken as that of the other system components. 1. General structure Regardless of the technology employed, power supplies are devices with an input side and an isolated output side. Galvanic isolation generally...

2.5 SELV SELV according to IEC/EN 60950 is a safety extra low voltage which thanks to its low level and insulation offers better protection against electric shock than higher-tension circuits. Power supplies generating SELV, for example, must be designed to prevent shorting between the primary and secondary windings and their connections. The windings can only be overlaid if double or reinforced insulation is placed between them. This isolation is termed galvanic isolation. Grounding of the secondary side is not required but permitted. The peak value must not exceed 42.4 V in case of AC...

Power Supplies · Basics up to a degree where safe operation is no longer guaranteed. There are a number of techniques for protecting the power supply against destruction due to overheating. • The maximum output power is reduced, allowing the power supply to cool down. U/I characteristic Lütze power supplies with a U/I characteristic perform current limiting to typically 1.2 times the nominal current at constant output voltage. This current is still available in case of an overload or a short circuit. The voltage is slowly lowered, while the output current may rise further (triangular...

Parallel selectivity Based on the self-protection, the output voltage is switched off or reduced in the event of a fault. If multiple loads are carried on one power supply, a voltage drop will occur throughout the entire application. To prevent this, protective devices are installed in the individual lines to the consumers. If a fault occurs, the protective device concerned must trip fast enough so as to disconnect the faulty consumer reliably from the rest of the system and such that the other consumers remain available. 8.4 Connection cross-sections The line cross-sections are...

Reliable protection of DC 24V circuits Intelligent safeguarding of selectivity Primary switching controllers and automatic power units nowadays form the basis of the DC 24V supply level. Due to the operating behaviour of those devices, the specified selective protection of individual circuits, especially in case of overcurrent, is virtually unfeasible. A complete system shutdown is inevitable. Operating behaviour of primary switching controllers Switched-mode power supplies and their components are rated for a specific nominal value and run hot under higher load. To protect against...

A 24V signal is set as a collective fault warning. This eliminates the need to install and wire additional auxiliary contacts. A restart after clearing the fault is then effected either using the mechanical switch on the device or from the main system by remote control. This channel-based switching facility is of great importance in particular in the commissioning phase of a system, as it enables individual system components to be activated and checked specifically. LOCC-Box Practical and efficient The monitoring function itself is one side of the coin. The other in many other systems is...