Mean Well has introduced the first 185 W AC/DC multiple channel constant current output LED power supply, the LDV-185 series. With a built in active PFC function, these units can offer 6 CH/700 mA or 12 CH/350 mA constant current outputs. Different from Mean Well’s other LED power supplies, the LDV-185 power supplies have built in DC/DC constant current LED driver ICs. This means they can ensure the balance of output current from each channel and reduce the EMI interference of the lighting system, resulting in a long LED life. The series has two models, Blank type and D-type.
The Blank type has basic features without a timer dimming function, while this function is an optional extra in the D-type. After the system is powered on, the D type model starts up the internal timer, which is controlled by the MCU. The pre-set counting program allows up to three different time periods (four different brightness levels) to be set in order to adjust the output current in each period. To resist harsh outdoor environments, they are sealed to meet IP67 standards, and are designed with an aluminium case and stainless steel screws.
Featuring a 180–295 VAC input, the LDV-185 series is suitable for general 230 VAC mains input, and can also be operated under 277 VAC input in North America. With a built-in active PFC function, the series complies with harmonic current limitation as per EN61000-3-2 Class C (>75% load). It also fulfils PF>0.9 if loading is over 75% and has 4 kV surge immunity (EN61000-4-5). With up to date LLC topology, the LDV-185 has up to 88% of peak efficiency (based on the same LED quantity for each channel/total wattage >120 W), so it can be cooled by free air convection from -30 to +70° ambient temperature, thereby meeting the requirements for outdoor installations. Standard functions include protection for short circuit, overload, over voltage, and over temperature.
These power units are equipped with a 18 AWG*3C (with FG)/30 cm input cable and a 22 AWG*13C/15 cm output cable with 15 pin waterproof connector as well as a 22 AWG*12C/15 cm cable with 12 pin waterproof connector. They also comply with EN61347-2-13 (LVD) and CE (EN55015/EN61547) standards. This means they are suitable for all kinds of outdoor LED lighting applications, in particular LED lighting fixtures with a multiple channel driving design.
Raptor switches Phoenix Contact
Electrical Power & Protection
The Phoenix Contact Raptor switches enable reliable and safe operation in extreme ambient conditions. The managed switch portfolio meets the stringent requirements of IEC 61850-3 and IEEE 1613 standards and is ideal for critical infrastructure and power supply applications.
Read more...Half brick second generation converter Vepac Electronics
Electrical Power & Protection
The Supreme series half brick second generation converter from Vepac is composed of isolated, board-mountable, fixed switching frequency DC-DC converters that use synchronous rectification to achieve extremely high power conversion efficiency.
Read more...Multimeters: the perfect entry-level choice Comtest
Electrical Power & Protection
Experience the precision, durability and safety of professional-grade test tools with the entry level Fluke 15B+ and 17B+ digital multimeters.
Read more...South Africa can become an important EV manufacturer
Electrical Power & Protection
A year ago, South Africa was mired in loadshedding, with the importance and relevance of electric vehicles (EVs) far from the public imagination. Fast forward a year and much has changed
Read more...Self-contained standalone lightning warning system Senseca
Electrical Power & Protection
Biral, now part of the Senseca Group, and a specialist in environmental and meteorological measurement instrumentation, has launched its BTD-200 lightning warning system, which is a complete detection and warning system.
Read more...Taking the pain out of panel building Omron Electronics
Electrical Power & Protection
Panel building stands as a cornerstone of industrial automation, shaping the efficiency and reliability of automated systems across different and diverse industries, from manufacturing to infrastructure. Omron leverages over 80 years of experience to furnish OEMs and builders with cutting-edge control panel solutions.
Read more...Powerless is not an option
Electrical Power & Protection
When the power goes out it is important for commercial and tertiary facilities to be able to keep essential electrical equipment running. UPS systems are critical for transitioning and emergency backup power.
Read more...Securing the power supply
Electrical Power & Protection
Grid management systems are the linchpin of modern transmission and distribution networks. To understand the intricacies of grid management, it is necessary to unpack its core components: scada systems, energy management systems, outage management systems and wide area management systems.
printer friendly version