Power systems for -48V You never have The BZA 108 family is a range of -48 V power systems for smaller “ to invest in more telecom, datacom or other demanding applications with high availability requirements. The systems provide highly reliable, un- equipment than you interruptable and cost-effective power solutions. They are modular, need to meet current flexible and designed to grow gradually with your needs. You don´t power requirements have to invest in more equipment than you need at the time. ” Benefits Product contents Application references  High power density enables • Switch mode rectifiers • Mobile switching centers space efficient solutions 300 or 680W • Public switches  Pre-assembled and pre- • Distribution units with 3-100 A • Remote subscriber switches tested subracks facilitate circuit breakers • Access nodes fast installation and quick • Battery circuit breakers • Wide area paging systems commissioning • Central supervision unit • Transmission systems  Enhanced surge immunity or alarm unit • Radio base stations provides high availability • Battery shelves • Cable TV to your system • Sub racks and cabinets  High efficiency rectifiers decrease cooling demands (natural convection cooled in stand-alone configurations)  Modular system architecture facilitate optimal investments BZA 108 08 Alternative configuration of BZA 108 08 28 ... reliable, uninterruptible and � cost-effective power for mini applications and small installations ... � BZA 108 02 BZA 108 09 BZA 108 18 Sub-rack for BZA 108 18 System product BZA 108 18 BZA 108 09 BZA 108 02 BZA 108 08 Optimum power range up to 0.6 kW 0.4-1.3 kW 1.0-3.4 kW 1.3-7.5 kW Maximum power capacity 1.8 kW 4.0 kW 8.1 kW 16.3 kW Output power/rectifier 300 W 680 W 680 W 680 W Number of rectifiers (1-6 pcs) (1-6 pcs) (1-12 pcs) (3-24 pcs) Distribution points/system 1-16 1-18 1-52 1-252 Dimension cabinet 19” and ETSI 19” and ETSI 2,100 x 600 x 400 1,800 x 600 x 400 H x W x D (mm) 1,800 x 600 x 400 1,200 x 600 x 400 Dimension subrack H x W x D (mm) 150 x 480 x 175 299 x 485 x 230 Not applicable 299 x 485 x 230 29 Power systems for -48V The product family of -48V DC power systems is very flexible for ... we can offer creating solutions to meet your DC power requirements. With our cost-effective solutions � wide range of compatible and standard units, we can offer cost- tailored to your specific effective solutions tailored to your specific needs. By combining needs modular units providing the best solution for a particular � application, and then packaging and delivering them as pretested Benefits cabinet units, we can equip you with an optimal hardware package  Modular system architecture requiring a minimum of installation and testing time when setting facilitates optimal up the system. You will not need a separate room for your DC investments power – all of our system solutions are designed to be installed  Low installation and with communications equipment. commissioning cost with preassembled and Applications Features pretested units • Major communication centers • Expand-as-you-grow  Compact modular design • Gateway switching centers philosophy simplifies site layouts and • Central office switching • Advanced control and reduces design cost centers supervision system  Minimized downtime, since • Local switching centers • PowerSplit-function for easy service and repairs can be • Large remote subscriber extension of existing sites performed while the system switch (RSS) applications • Field replaceable units is in service • Radio base stations (RBS) • Small system footprint  In the event of a single unit and controllers • High reliability failure, functional isolation • High power density also preserves system • High surge immunity integrity • High-efficiency rectifiers • CE-marked and UL-listed systems available Modular Units Control and supervision All functional units within the DC system have the facility to link into a control and supervision unit with a display. The control and supervision unit can be equipped with a number of diffe- rent software functions for control, operation and maintenance of the power system. Communication within the system is by optical fiber, which is ideal for disturbance-free and reliable signaling. BZA 131 50 30 Rectifier units All cabinets provide the option of overhead, underfloor or bottom We offer a variety of rectifiers ranging cabling. The modular building from 1,600 W to 8,100 W, enabling structure makes it possible to mix and the choice of an optimal power solu- The flexible power match the units to suit your needs. tion for your application. The rectifier system for creating � With true front access, the cabinets units are designed as field replaceable solutions to meet your can be installed back-to-wall, side-by- units that can be easily added or side and back-to-back, avoiding large DC power requirements exchanged, even in a live system. service areas and helping you to mini- � Distribution units mize the amount of required floor space. The product family includes a wide range of different distribution units for all kinds of applications. Circuit breakers and fuses are available in ratings ranging from 3 to 800 A. The system also includes units with a priority load disconnection in two or several steps, enabling extended backup time for prioritized loads. Battery connection units We offer a wide range of battery connection units to match the size of different power systems. Circuit breakers and fuses are available in ratings ranging from 190 to 800 A. All units are connected to the super- vision system monitoring current and collecting fuse alarms. We also offer the option to provide automatic or remote disconnect/reconnect function. AC interface and connection units Cabling and installation costs are reduced by providing an AC connec- tion unit in the DC power cabinets. We offer the option to provide these AC connection units with AC super- vision functionality. Cabinet building practice DC power cabinets are available to accommodate both low and high building practice (1,800, 2,120 or 2,200 mm). BZA 130 08 System product BZA 130 05 BZA 130 08 BZA 131 50 BZA 131 70 Output power/rectifier 1,600 W 7,200/8,100 W 1,600 W 6,000 W Number of rectifiers 0-9 0-5 0-9 0-6 Dimension H x W x D (mm) high cabinet 2,120 x 720 x 400 2,120 x 720 x 400 2,200 x 600 x 400 2,200 x 600 x 400 (600) low cabinet 1,800 x 720 x 400 1,800 x 720 x 400 1,800 x 600 x 400 1,800 x 600 x 400 31