Siemens PSX-12 Installation Instructions Manual

Contents

installation instructions

Siemens Industry, Inc.Building Technologies DivisionP/N 315-048553-512 Amp Power Supply Extender for NCCNT WANInstallation InstructionsModel PSX-12Figure 1PSX-12 12 Amp Power Supply ExtenderINTRODUCTION The Model PSX-12 from Siemens Industry, Inc., is a high current power supplyextender. The power supply extender works in conjunction with the PSC-12 powersupply to provide an additional 12A of regulated 24VDC for internal or external systemuse.Up to three PSX-12 modules may beconnected to one PSC-12 powersupply and one set of batteries.The PSX-12 has a microprocessor-controlled transfer circuit thatallows it to switch the systempower to stand-by batteriesduring loss or reduction ofthe AC power.The PSX-12 incorporatesa 18A circuit breaker onthe battery inputThe PSX-12 communi-cates directly to the NCCto report fault conditionsand allows the NCC toquery the status of thepower supply extender.The PSX-12 mounts atthe back of the COM-1enclosure and occupies one location on the studs in the backbox or on the optionalCAB-MP Mounting Plate.Features The PSX-12 features are as follows:• Universal AC power input 120VAC-240VAC @60Hz / 50Hz• Off-line Switch Mode Power Converter• Power Factor Correction• Total Output power of 12A@24VDC• Two separate power output terminals: one power limited terminal with 4Amax @ 24VDC capacity and one non-power limited terminal with 12A max @24VDC capacity (total not to exceed 12A)