{"product_id":"s54430-c27-a1-siemens-psx-12m-24vdc-power-supply-extender-for-desigo-modular-systems","title":"S54430-C27-A1 | Siemens PSX-12M 24VDC Power Supply Extender for Desigo Modular Systems","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"396\" data-start=\"144\"\u003eThe Siemens PSX-12M (S54430-C27-A1) is a power supply extender designed to expand the output of the PSC-12M main power supply in Desigo Modular fire safety systems. It delivers an additional 12A of regulated 24VDC power to support system growth and higher current requirements. With intelligent monitoring and dual output terminals, the PSX-12M ensures reliable and scalable power distribution for mission-critical fire protection systems.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 99.9988%; height: 411.615px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 21.1905%; height: 19.6007px;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 76.6707%; height: 19.6007px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 21.1905%; height: 19.6007px;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 76.6707%; height: 19.6007px;\"\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 21.1905%; height: 19.6007px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 76.6707%; height: 19.6007px;\"\u003eFire Alarm Power Supplies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 21.1905%; height: 19.6007px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 76.6707%; height: 19.6007px;\"\u003eS54430-C27-A1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 21.1905%; height: 19.6007px;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 76.6707%; height: 19.6007px;\"\u003ePower Supply Extenders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 21.1905%; height: 19.6007px;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 76.6707%; height: 19.6007px;\"\u003ePSX-12M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 21.1905%; height: 19.6007px;\"\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 76.6707%; height: 19.6007px;\"\u003e24VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 21.1905%; height: 19.6007px;\"\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 76.6707%; height: 19.6007px;\"\u003e12A maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 21.1905%; height: 19.6007px;\"\u003e\u003cstrong\u003ePower Outputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 76.6707%; height: 19.6007px;\"\u003e2 (4A power-limited, 12A non-power-limited)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 21.1905%; height: 19.6007px;\"\u003e\u003cstrong\u003eAC Input Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 76.6707%; height: 19.6007px;\"\u003e120–240VAC, 50\/60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 21.1905%; height: 19.6007px;\"\u003e\u003cstrong\u003eConverter Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 76.6707%; height: 19.6007px;\"\u003eSwitch-mode with power factor correction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 21.1905%; height: 19.6007px;\"\u003e\u003cstrong\u003eCommunication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 76.6707%; height: 19.6007px;\"\u003e60-pin backplane bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 21.1905%; height: 19.6007px;\"\u003e\u003cstrong\u003eMonitoring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 76.6707%; height: 19.6007px;\"\u003eStatus reporting to FCM2041-U2 Operator Interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2014px;\"\u003e\n\u003ctd style=\"width: 21.1905%; height: 39.2014px;\"\u003e\u003cstrong\u003eIndicators\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 76.6707%; height: 39.2014px;\"\u003eLEDs for Power On, Module Failure, H-NET Failure, Ground Fault, Output Failures\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2014px;\"\u003e\n\u003ctd style=\"width: 21.1905%; height: 39.2014px;\"\u003e\u003cstrong\u003eMounting Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 76.6707%; height: 39.2014px;\"\u003eBack box module space or CAB-MP mounting plate (fits CAB1, CAB2, CAB3 enclosures)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2014px;\"\u003e\n\u003ctd style=\"width: 21.1905%; height: 39.2014px;\"\u003e\u003cstrong\u003eExpansion Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 76.6707%; height: 39.2014px;\"\u003eUp to 3 PSX-12M units per PSC-12M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 21.1905%; height: 19.6007px;\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 76.6707%; height: 19.6007px;\"\u003e19 × 9 × 9 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6007px;\"\u003e\n\u003ctd style=\"width: 21.1905%; height: 19.6007px;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 76.6707%; height: 19.6007px;\"\u003e7 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003ch4\u003eInformation About \u003cmeta charset=\"utf-8\"\u003eS54430-C27-A1\u003c\/h4\u003e\n\u003cp\u003eThe S54430-C27-A1 is part of Siemens’ Desigo Fire Safety Modular family, engineered as an auxiliary high-current supply that integrates seamlessly with PSC-12M units. Built with a universal AC input range of 120–240VAC, the PSX-12M requires no special configuration and includes a switch-mode converter with power factor correction to improve efficiency. Its addressable, microprocessor-controlled design communicates system status, loading conditions, and fault alerts to the Operator Interface (FCM2041-U2). With diagnostic LEDs, dual output circuits, and backplane bus connectivity, this power extender provides a dependable and scalable solution for large fire alarm installations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAuxiliary Power Expansion: Provides 12A of regulated 24VDC power for Desigo Modular systems.\u003c\/li\u003e\n\u003cli\u003eDual Output Terminals: One 4A power-limited output and one 12A non-limited output (combined max 12A).\u003c\/li\u003e\n\u003cli\u003eUniversal AC Input: Accepts 120–240VAC at 50\/60Hz with no special setup.\u003c\/li\u003e\n\u003cli\u003eMicroprocessor Control: Reports module status, ground faults, and load data to the Operator Interface.\u003c\/li\u003e\n\u003cli\u003eSystem Integration: Connects via 60-pin power\/data bus for seamless communication with system modules.\u003c\/li\u003e\n\u003cli\u003eDiagnostic LEDs: Provides visual indication of power status, network faults, and output failures.\u003c\/li\u003e\n\u003cli\u003eModular Mounting: Installs in one of four module spaces or onto CAB-MP mounting plates in CAB1, CAB2, or CAB3 enclosures.\u003c\/li\u003e\n\u003cli\u003eScalable Design: Supports connection of up to three PSX-12M units per PSC-12M for expanded capacity.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe S54430-C27-A1 delivers the reliability and precision required for scalable power distribution in advanced fire safety systems.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":49105205166336,"sku":"S54430-C27-A1","price":2644.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/2971274_1000x1000_85c1b1e7-ebd9-4820-a2b8-0b18985b6f8b.png?v=1785542517","url":"https:\/\/alotechparts.com\/products\/s54430-c27-a1-siemens-psx-12m-24vdc-power-supply-extender-for-desigo-modular-systems","provider":"Alo Tech Solutions","version":"1.0","type":"link"}