Doepke No 4 | October 2016 The experts in residual current technology

Doepke-Info-Zeitung Free customer newsletter by Doepke Schaltgeräte GmbH

IN THIS ISSUE ZVEH

Shining light in the dark...... 1 ABE e. V., ...... 2 RCCB with selftest function...... 3 The leaning tower of Suurhusen.4 Switch off in case of emergency! .2 Electromobility rally Helmut Pusch for Elektro+ ...... 3 at belektro 2016...... 3 Julio on the move...... 4 Strength through peace...... 2 2016 apprentices...... 4

Shining light in the dark Dasy and Dasy TC twilight switches

The summer solstice – the longest day of the year The benefits of equipping your property with the the night by wild animals, for instance. – was all the way back on 21 June 2016. Since proper lighting are manifold: you can make your then the days have been getting shorter and home welcoming to your friends at the same time This is where the twilight switches in our Dasy shorter and the nights are now drawing in. At as scaring away intruders. series come in. The Dasy has been around for more the same time as we would have been enjoying a than 20 years now, during which time it has been sunny summer evening, we are now plunged into Depending on where they are installed, motion continually developed and adapted in line with almost complete darkness. There's no denying and presence detectors come with the disadvan- ever-changing requirements. Boasting intuitive it – summer has come to an end and autumn is tage that they do not provide continuous light. For operation, the Dasy's settings can be easily adjust- very much here. example, the lights will be switched off if you move ed to suit each user's specific needs. The switch is just outside of the detection area or don't stay put simply manually adjusted to the desired twilight As the seasons change, now is the time to check, within it. Not to mention that it can be annoying level, without the need for any special tools. repair, replace and buy more outdoor lighting. and disruptive if the lights get switched on through ►►Continues on page 2 Page 2 | DIZ – Doepke-Info-Zeitung No 4 | October 2016

▼▼Continued from page 1: Switch off in case of emergency! ABE e. V., East Frisia Dasy TC In the case of the Dasy TC, this basic The DFS 4 NA: Working group function is complemented by a time two devices combined in one housing supporting the next switch. The 'TC' in the name stands for 'time control'. In many situations, it is useful, or generation even a requirement, for circuits to be The built-in clock makes it possible equipped with an emergency switch to switch off the lighting in a certain function. The new DFS 4 NA pro- time range and there is also the vides an additional function of this option to switch automatically from kind and compatible residual current summer to winter time. Thanks to protection together in one unit, shorter operating times, less energy available in either Type A or B. is consumed, which in turn reduces costs. This is particularly useful for Equipment used for experiments in situations when you want to avoid classrooms must be equipped with having the light on all night, e.g. com- both residual current protection pany car parks, street lighting, display and isolating devices with remote windows or illuminated decorative actuation (standard mushroom Heiko Zimmermann, Olaf Preuße, Heinz Speck- objects, such as statues or fish ponds, buttons) for switch-off in the event mann and Thomas Lichtsinn (from left to right) which do not attract attention during of an emergency. at the symbolic launch of the new website the night. Installation is taken care of in just a few simple steps for both The new NA switch offers this very The 'Working Group for Training new installations and retro-fitting. emergency stop loop connection for Electrical Professions' (ABE ­ option. The isolating device required e. V) has now launched its very own Perspective here has to be able to disconnect all website (www.abe-ostfriesland.de) Next year, our Dasy and Dasy TC active conductors including the neu- with the main aim of providing switches will also be available in a tral conductor and AC-DC sensitive interested young people with modern anthracite grey design along- residual current circuit-breakers extensive information on training side the existing white. have to be used too. The Doepke to become an 'industrial electrical DFS 4 B NA combines all of these engineer'. properties in one device. Employees responsible for training at all of the regional ABE member companies were in attendance at the Melanie Brandes Heino Thoben-Mescher official launch of the new website – Product Management Product Management an event hosted by Doepke. ABE brings together leading East Frisian companies and experienced vocational teachers working on a Strength through peace voluntary basis who are committed to playing an active part in providing Installation contactors: virtually silent exceptional training to young people embarking upon careers within the Sometimes even a pin dropping can four normally opened contacts, two electrical engineering sector. "ABE be considered loud and disruptive normally opened contacts and two has set itself the aim of supporting and any noise seems unbearable normally closed contacts, or three vocational training for industrial when we are trying to get to sleep. normally opened contacts and one electrical engineering professions," normally closed contact. Taking says Olaf Preuße as spokesman for There are just some situations where up just two module widths, these the association. absolute silence is required, such compact devices are no bigger than as in living spaces or hotel rooms, their low-noise counterparts. Famil- At first, the whole initiative was and the new non-humming Doepke iar accessories, such as the HSH 11 ­dedicated to providing additional installation contactors are absolutely ­auxiliary switch and the HSP seal tuition for vocational college students perfect for such applications. Their caps, are also compatible with these during the second and third years AC/DC coils can be operated with new installation contactors. of their training. ABE then started alternating and direct voltage and They will be available once the new to arrange career-focused visits to have been designed for continuous 2017 price list comes into effect. companies. operation without any humming. The high quality and long endurance of Close contact with businesses means the HS series make these installation that extracurricular placements can contactors ideally suited to use in be arranged for young people though Unbelievably quiet: Doepke-contactors places where quiet needs to prevail. ABE, which also offers an extra elec- work away undetected They are designed for 25 A and are Heino Thoben-Mescher trical engineering class free of charge (Image similar) available as four-pole devices with Product Management for vocational college students. DIZ – Doepke-Info-Zeitung No 4 | October 2016 | Page 3 Electromobility rally at belektro 2016 Helmut Pusch: new spokesman for

There continues to be a huge de- info counters and the stands of the Elektro+ initiative mand for information on electro- participating companies and the elec- mobility and nowhere is this more tricians' guild, where trade visitors Helmut Pusch, Managing Director true than at specialist electrical will be able to pick up a copy. Par- and Head of Sales and Marketing engineering trade shows and exhi- ticipants will work their way around at Dehn + Söhne GmbH & Co. bitions. the electromobility rally, talking to KG, is the new spokesman for the designated members of staff on the Elektro+ initiative (see photo). On Two years ago, the topic of electro- stands. During these conversations, 12 May 2016, he was unanimously mobility was included for the first they can either ask specific questions elected to take on the role for the time at a regional trade fair, with a or try to pick up as much knowledge next five years. He takes over from lecture forum, test track and special as possible so they are able to fill in Claus Fitze who transferred to the exhibition. The focus on the topic is multiple answers, or even all of them. wholesale side of the business at set to continue at this year's belektro the start of the year. In his new role, trade fair in the form of the electro- Visitors will be able to take a virtual Pusch hopes to push forward the key mobility rally, organised in partner- tour of the electromobility rally ahead aspects of Elektro+. The focus of the ship with industry representatives, of the event and get a printout on the initiative is on establishing legally the Berlin/Brandenburg electricians' belektro Virtual Market Place. The binding, modern, future-oriented guild and trade journal 'Elektro new icon for the electromobility rally standards for electrical installation Wirtschaft'. The electromobility rally will also help everyone find their way through an intense awareness cam- will see specialist knowledge present- to all of the features related to this the paign with a view to improving elec- ed in a fun way, with every exhibitor topic. Every evening, the winner for trical fittings in residential properties. at belektro involved in the field to the day will be announced. Prizes will any extent having the chance to take be awarded – although they won't be part. A questionnaire has been drawn product-related, they will be relevant! up that will be displayed at all of the initiative Elektro+ Photo: Residual current circuit-breaker with selftest function

Residual current operated protec- detect Type A residual currents and tive devices have to be tested re­ are available in the following sizes: gularly by pressing the test key. On two-pole 25 A with a residual current the basis of the fact that many users of 0.03 A and four-pole 25/40/63 A can't or don't want to do this, a new with a residual current of 0.03 A. generation of user-friendly residual current circuit-breakers has been DRCCB 5 CM-M bus module developed. The new DRCCB 5 CM-M bus module can be added to both of the The intelligent residual current residual current circuit-breakers, circuit-breakers in the 'Selftest' series allowing the following information to perform a selftest once a month, be read directly from the devices via meaning it is no longer necessary to Modbus: manually press the test button. The »» Device type electrical and mechanical processes »» Device status performed within the device are »» Switch toggle position identical. Bypass contacts ensure that »» Device fault type the power supply is not interrupted »» Reason for tripping and a potential-free contact allows a »» Type of last selftest log to be kept. These residual current (manual/automatic) circuit-breakers are a simple solution »» Total number of selftests for companies that have to rely on an »» Number of successful selftests uninterrupted power supply. sulation resistance against earth, the to press the test button to manually »» Number of restarts Selftest Restart switches the power test the protective function, meaning »» Auxiliary contact status 'Selftest Restart' residual current supply back on within ten seconds. there is no risk of someone forget- The log is disclosed and can be linked circuit-breakers If the device detects a fault in the ting to do it. System availability is to any HMI system via this interface. The 'Selftest Restart' complements system, it performs another test after also increased if the power supply the 'Selftest' function by automati- two minutes. While there is still a can be switched back on quickly by cally restarting in the event of faulty fault, the test will be repeated every the Selftest Restart, meaning losses tripping, which may be caused by two minutes and there will be no at- incurred due to downtimes are also lightning strikes, transient leakage tempt to restart the system until there reduced. currents, vibrations or a reduction in are no faults present. the insulation resistance as a result of These functions provide increased The 'Selftest' and 'Selftest Restart' Holger Freese moisture or dirt. After testing the in- safety as there is no longer any need residual current circuit-breakers Product Management Page 4 | DIZ – Doepke-Info-Zeitung No 4 | October 2016

2016 apprentices Julio on the move

Meike Ukena Our little mascot Hi! My name is Meike Ukena. I'm visits Rhodes 18 years old and I live in Nesse.

As I more or less grew up with tech- nology and enjoy doing manual work in my spare time, last year I decided to take a one-year vocational college course in electrical engineering.

I got my position as a trainee indus- trial electrical engineer through the placement I completed at Doepke during my studies. Meike Ukena and Lukas Ulferts

Over three and a half years, the Lukas Ulferts become an electrician with a focus training covers all kinds of industrial Hello! I'm Lukas Ulferts. I was born on industrial engineering at Doep- electrical work, starting with instal- in , but I grew up in the ke. I have always been fascinated by lation, designing systems and system small community of Münkeboe. I'm electrical engineering and completing This summer, the Doepke controls, commissioning, mainte- 18 years old and currently completing two internships at Doepke cemented hedgehog has been spotted nance and renovation. the second year of my training to my desire to learn the trade. at the Mandraki Harbour on the Greek island of Rhodes. If you head into the city of Rhodes, the harbour will always be the first port of call The leaning tower of Suurhusen whether you are travelling by taxi or bus, as it really is the perfect place to start exploring the city. The city was Leaning at an angle of 5.19 degrees, formed back in 408 BC when three the church in Suurhusen in East former cities merged to become one. Frisia pushes the Leaning Tower of The harbour was created in around Pisa into second place, beating it 400 BC and was later used as a by one whole degree and holding military port when the Order of Saint on to its Guinness World Record as John galleys were stationed there. the most leaning tower for almost Many of the buildings in the area ten years. Ever since it was given surrounding the Mandraki Harbour this accolade, tourists have flocked hark back to the Italian occupation to the church from all around the between 1912 and 1943/47. world. Photo: Optical oracle Photo: The church tower was built onto the Suurhusen, a village near , is home to the most leaning tower DATES/NOTES church on oak tree trunk foundations in 1450. However, the foundations but as the church continued to lean laid new foundations made from started to rot away as the groundwa- more and more, it had to be closed. reinforced concrete posts under the Belektro, Berlin ter level dropped, causing the church Renovation work was able to begin tower, meaning the church could be 11–13 October 2016 tower to lean noticeably to the side. after DM 200,000.00 was pulled reopened. It's definitely worth visiting Hall 1.2, Stand 206 together by donations and Lower the little village of Suurhusen to see The turret was removed right away, Saxony state treasury funds. Experts this attraction! GET Nord, Hamburg 17–19 November 2016 PUBLISHER QUARTERLY QUOTE Hall B5, Stand 245

SPS IPC Drives, Nuremburg Doepke 22–24 November 2016 Schaltgeräte GmbH Hall 4, Stand 4-271

Stellmacherstraße 11 You need to speak to be heard. 26506 Norden, Doepke’s tender texts Helmut Schmidt Available now at: Tel.: +49 4931 1806-0 www.ausschreiben.de Fax: +49 4931 1806-101 E-mail: [email protected] www.doepke.de Item no 5900 218 | 10/2016 Item no 5900 218