{"product_id":"gst-gstf7-820-664-fire-alarm-control-board","title":"GST GSTF7.820.664 Fire Alarm Control Board","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe GST GSTF7.820.664 fire alarm control panel PCB is a fully integrated main control board designed for addressable and conventional fire detection systems across commercial and industrial facilities. This board features clearly labeled terminal zones including Zone 1, Zone 2, AUX Zone, Fire, Fault, Sounder 1, Sounder 2, Stage 2, Discharge, Standby, Primary, K1, K2, L1, L3, G, and AUX+\/AUX− outputs, making it a highly versatile solution for complex fire suppression and detection installations. Equipped with onboard relays, fuse protection circuits, a dedicated microcontroller (GST301VS), and a SANYOU SLA-S-112D power relay, the board is manufactured to UL-recognized standards (E231017, 94V-0). Available for procurement through WeSellStocks.co, this unit suits EPC contractors, fire system integrators, and MRO buyers sourcing surplus fire panel components across the USA, UAE, and worldwide industrial markets.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e GST (Gulf Security Technology \/ Global System for Technology)\u003cbr\u003e\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Fire Alarm Control Panel Main PCB \/ Control Board\u003cbr\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e GSTF7.820.664\u003cbr\u003e\u003cstrong\u003eIndustry Category:\u003c\/strong\u003e Fire Detection \u0026amp; Suppression Systems \/ Building Automation \/ Life Safety\u003cbr\u003e\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e Available upon request\u003cbr\u003e\u003cstrong\u003eCurrent Rating:\u003c\/strong\u003e Available upon request\u003cbr\u003e\u003cstrong\u003ePower Rating:\u003c\/strong\u003e Available upon request\u003cbr\u003e\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e AC 27V (visible on board marking); full range available upon request\u003cbr\u003e\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e Available upon request\u003cbr\u003e\u003cstrong\u003eMounting Type:\u003c\/strong\u003e Panel-mount PCB (screw terminal block connections)\u003cbr\u003e\u003cstrong\u003eStandards \/ Compliance:\u003c\/strong\u003e UL Recognized Component — E231017; Flammability Rating: UL94V-0; PCB Manufacturer Code: D26142B (OLDQ)\u003cbr\u003e\u003cstrong\u003eOther Confirmed Specs:\u003c\/strong\u003e Onboard IC: GST301VS (60.07.21 firmware\/date code); Power relay: SANYOU SLA-S-112D (NO\/NC, 10A, 240VAC\/300VDC); Output relays: HF03\/74 (2A 30VDC \/ 0.5A 125VAC); Fuse positions: F1, F2, F3; Terminal blocks: XT3–XT15 (multiple zones); Zones: Zone1, Zone2, AUX Zone, L1, L3, G; Outputs: Fire, Fault, Sounder 1 \u0026amp; 2, Stage 2, Discharge, Standby, Primary, K1, K2\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThis GST main control board is used as the central processing and switching unit within addressable or conventional fire alarm control panels in commercial buildings, industrial plants, warehouses, and infrastructure projects. It interfaces with detection loops, sounder circuits, suppression triggers (Stage 2 \/ Discharge), and auxiliary outputs for integrated building management systems. The board is compatible with GST fire alarm panel enclosures and is relevant for system maintenance, panel refurbishment, and spare parts procurement. It is well-suited for fire system integrators and EPC contractors managing life safety infrastructure.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003eThe GST GSTF7.820.664 PCB is available through WeSellStocks.co as a surplus industrial component, servicing procurement teams across the USA, UAE, and global markets. Buyers searching for GST fire alarm panel spare parts, GSTF7.020.664 distributor, or fire alarm control board supplier will find this a reliable, tested option for maintenance and replacement needs. As a trusted wholesale source for industrial life safety components, WeSellStocks.co ships this board worldwide to EPC contractors, MRO teams, and authorized fire system service providers.\u003c\/p\u003e\n\u003chr class=\"border-border-200 border-t-0.5 my-3 mx-1.5\"\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003eMetafields:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal\"\u003e\u003cstrong\u003ebrand:\u003c\/strong\u003e GST (Gulf Security Technology)\u003cbr\u003e\u003cstrong\u003epart_number:\u003c\/strong\u003e GSTF7.820.664\u003cbr\u003e\u003cstrong\u003eproduct_type:\u003c\/strong\u003e Fire Alarm Control Panel Main PCB\u003cbr\u003e\u003cstrong\u003eindustry_category:\u003c\/strong\u003e Fire Detection \u0026amp; Suppression \/ Life Safety \/ Building Automation\u003cbr\u003e\u003cstrong\u003evoltage_rating:\u003c\/strong\u003e Available upon request\u003cbr\u003e\u003cstrong\u003ecurrent_rating:\u003c\/strong\u003e Available upon request\u003cbr\u003e\u003cstrong\u003epower_rating:\u003c\/strong\u003e Available upon request\u003cbr\u003e\u003cstrong\u003einput_voltage:\u003c\/strong\u003e AC 27V (confirmed); full spec available upon request\u003cbr\u003e\u003cstrong\u003eoutput_voltage:\u003c\/strong\u003e Available upon request\u003cbr\u003e\u003cstrong\u003emounting_type:\u003c\/strong\u003e Panel-mount PCB with screw terminal blocks\u003cbr\u003e\u003cstrong\u003estandards:\u003c\/strong\u003e UL E231017 | UL 94V-0 | D26142B (OLDQ)\u003cbr\u003e\u003cstrong\u003econdition:\u003c\/strong\u003e Used \/ Surplus\u003cbr\u003e\u003cstrong\u003estock_quantity_available:\u003c\/strong\u003e Available upon request\u003cbr\u003e\u003cstrong\u003etarget_markets:\u003c\/strong\u003e USA | UAE | Worldwide\u003cbr\u003e\u003cstrong\u003eglobal_shipping:\u003c\/strong\u003e Yes\u003c\/p\u003e\n\u003ch5 class=\"font-claude-response-body break-words whitespace-normal\"\u003eCondition: Used\u003c\/h5\u003e\n\u003ch5 class=\"font-claude-response-body break-words whitespace-normal\"\u003e\n\u003cspan class=\"selectable-text copyable-text xkrh14z\"\u003eTested\u003c\/span\u003e\u003cspan class=\"emoji x1rg5ohu x16dsc37 x19la9d6 x1fc57z9 x6ikm8r x10wlt62 x19co3pv x11tp94h xw4jnvo x1qx5ct2 xfibh0p xiy17q3 x1xsqp64 x1lkfr7t xexx8yu xyri2b x18d9i69 x1c1uobl\"\u003e\u003cspan class=\"xrtxmta x1bhl96m\"\u003e✅\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"selectable-text copyable-text xkrh14z\"\u003e \u003c\/span\u003e\n\u003c\/h5\u003e","brand":"We Sell Stocks","offers":[{"title":"Default Title","offer_id":59479445438750,"sku":"Cabin : 77-1","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0807\/7230\/1086\/files\/7_36c5e8fc-d5e6-432c-acca-07acd2d10f39.png?v=1781753271","url":"https:\/\/wesellstocks.co\/products\/gst-gstf7-820-664-fire-alarm-control-board","provider":"We Sell Stocks","version":"1.0","type":"link"}