{"title":"Relays \u0026 Fuses","description":"\u003ch3 data-path-to-node=\"4\"\u003e1. ELECTRICAL FUSES\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli data-path-to-node=\"6,0,0\"\u003e\n\u003cb data-index-in-node=\"0\" data-path-to-node=\"6,0,0\"\u003eWhat They Do:\u003c\/b\u003e Fuses act as the frontline safety barrier for an ambulance's electrical grid. They are designed to safely \"blow\" (break the circuit) if the electrical current spikes beyond a safe threshold. This prevents overheating, electrical fires, and catastrophic damage to sensitive onboard equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"6,1,0\"\u003eWhy They Matter in an Ambulance:\u003c\/b\u003e Emergency vehicles carry high-draw equipment (like high-powered sirens and climate control) alongside hyper-sensitive electronics (like cardiac monitors and radio telemetry). Fuses isolate electrical failures so a malfunction in one system won't take down the entire rig.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"6,2,0\"\u003eCommon Critical Circuits:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"6,2,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,2,1,0,0\"\u003ePatient compartment lighting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,2,1,0,0\"\u003eOnboard suction pumps and medical outlets (12V DC \/ 110V AC)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,2,1,2,0\"\u003eTwo-way radios and GPS navigation units\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"6,2,1,3,0\"\u003eSiren amplifiers and emergency lightbar\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eELECTRIC RELAYS\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,0,0\"\u003eWhat They Do:\u003c\/b\u003e Relays are electrically operated switches. They allow a low-current signal (such as a small dashboard toggle switch or a digital touchscreen controller) to safely turn on a high-current device (like a heavy-duty inverter or a massive HVAC blower).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,1,0\"\u003eWhy They Matter in an Ambulance:\u003c\/b\u003e Relays keep dangerous, high-amperage current away from the driver and patient compartments, routing it safely through the electrical bay instead. They also prevent heavy voltage drops over long wiring runs, ensuring that when you hit the switch for the \"Marlos\" or scene lights, they flash instantly without frying the dashboard.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,2,0\"\u003eCommon Critical Circuits:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"10,2,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,1,0,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,2,1,0,0\"\u003eMaster Power \/ Ignition Cut-off:\u003c\/b\u003e Disconnects the patient module when the vehicle is secured.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,1,1,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,2,1,1,0\"\u003eBattery Isolators \/ Split-Chargers:\u003c\/b\u003e Safely manages charging between the primary engine battery and the auxiliary medical batteries.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,1,2,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,2,1,2,0\"\u003eHigh-Draw Climate Control:\u003c\/b\u003e Engages the heavy compressor clutches and fans required to keep medicines at stable temperatures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,1,3,0\"\u003e\u003cb data-index-in-node=\"0\" data-path-to-node=\"10,2,1,3,0\"\u003eEmergency Warning Lights:\u003c\/b\u003e Handles the rapid, continuous power cycling required by strobe and LED light patterns.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","products":[{"product_id":"relay-control-module-for-pop-locks","title":"Relay Control Module for Pop-locks - HDC-PLRB","description":"\u003cp\u003eRelay Control Module for power door locks\u003c\/p\u003e","brand":"Select Tech Ambulances","offers":[{"title":"Default Title","offer_id":51372093735233,"sku":"HDC PLRB","price":351.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/5237\/6897\/files\/HDC-PLRB-2.jpg?v=1778004653"},{"product_id":"wheeled-coach-relay-board-power-board","title":"Wheeled Coach Relay Board, Power Board - WC-EL35258","description":"Main Power Board for Wheeled Coach Ambulance - EL35258 or EL35258A\u003cbr\u003e\u003cbr\u003e(No relays or breakers included) \u003cbr\u003e\u003cbr\u003eREV part # 10130842","brand":"Wheeled Coach","offers":[{"title":"Default Title","offer_id":51372120408385,"sku":"WC EL35258","price":1287.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/5237\/6897\/files\/WC-EL35258-2.jpg?v=1778004282"},{"product_id":"kissling-300a-relay-solenoid","title":"Kissling 300A Relay\/Solenoid - WC-EL99858","description":"\u003cdiv style=\"margin-left: 20px;\"\u003eKissling 300A relay\/solenoid, 12VDC. Typically used in Wheeled Coach ambulances\u003cbr\u003eKissling 29.311.11\u003c\/div\u003e","brand":"Select Tech Ambulances","offers":[{"title":"Default Title","offer_id":51372120506689,"sku":"WC EL99858","price":297.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/5237\/6897\/files\/WC-EL99858-2_85df7bd2-c2c6-46ae-a163-130631295b23.jpg?v=1778004280"},{"product_id":"relay-30a","title":"Relay, 30A - WG-896H-1CH-C1S-12VDC","description":"\u003cp\u003eStandard 30A Relay, SPDT, Sealed, Bracket Mount, 12V.\u003c\/p\u003e","brand":"Select Tech Ambulances","offers":[{"title":"Default Title","offer_id":51372121719105,"sku":"WG 896H 1CH C1S 12VDC","price":9.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/5237\/6897\/files\/WG-896H-1CH-C1S-12VDC-2_e7cf11b1-c518-45a9-86b9-54f69c2665b5.jpg?v=1778004254"},{"product_id":"large-fuse-holder-w-cover","title":"Large Fuse Holder w\/ cover - WG-HMG-211","description":"\u003cp\u003eFuse holder for AMG or ANL style fuses, cover included.\u003c\/p\u003e","brand":"Select Tech Ambulances","offers":[{"title":"Default Title","offer_id":51372121751873,"sku":"WG HMG 211","price":12.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/5237\/6897\/files\/WG-HMG-211-2_e4a930ac-3590-4685-af7c-56d465262f25.jpg?v=1778004253"},{"product_id":"relay-120vac","title":"Relay, 120VAC - WG-S87R11A2B1D1","description":"\u003cp\u003e120VAC Relay, 20A, DPDT\u003c\/p\u003e","brand":"Select Tech Ambulances","offers":[{"title":"Default Title","offer_id":51372121817409,"sku":"WG S87R11A2B1D1","price":59.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/5237\/6897\/files\/WG-S87R11A2B1D1-2_9f361eaa-7467-4c99-a6eb-083d9ea32b81.jpg?v=1778004252"},{"product_id":"fuse-panel-6-circuits","title":"Fuse Panel, 6 Circuits - WT-46050","description":"\u003cp\u003eFuse Panel, 6 circuits, no ground terminals. (FUSES SOLD SEPARATELY)\u003c\/p\u003e","brand":"Select Tech Ambulances","offers":[{"title":"Default Title","offer_id":51372122898753,"sku":"WT 46050","price":26.84,"currency_code":"USD","in_stock":true}]},{"product_id":"300-amp-fuse","title":"300 Amp Fuse - WT-46279","description":"\u003cp\u003e300 Amp Fuse\u003c\/p\u003e","brand":"Select Tech Ambulances","offers":[{"title":"Default Title","offer_id":51372122964289,"sku":"WT 46279","price":23.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/5237\/6897\/files\/WT-46279-2.jpg?v=1778004232"},{"product_id":"relay-75-amp-12v","title":"Relay, 75 Amp, 12V - WT-75551","description":"75 Amp, 12V Relay\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: rgb(35, 32, 32); font-family: Roboto, sans-serif;\"\u003eCross Reference # V23232-D0001-X001\u003c\/span\u003e","brand":"Select Tech Ambulances","offers":[{"title":"Default Title","offer_id":51372123062593,"sku":"WT 75551","price":69.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/5237\/6897\/files\/WT-75551-2.jpg?v=1778004229"},{"product_id":"micro-relay-35-20a","title":"Micro Relay, 35\/20A - WT-75724","description":"\u003cp\u003eMicro Relay, SPDT, 35A NO, 20A NC, five terminals\u003c\/p\u003e","brand":"Select Tech Ambulances","offers":[{"title":"Default Title","offer_id":51372123095361,"sku":"WT 75724","price":4.07,"currency_code":"USD","in_stock":true}]}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0972\/5237\/6897\/collections\/Gemini_Generated_Image_33hd7y33hd7y33hd.png?v=1783622366","url":"https:\/\/parts.selecttechambulances.com\/collections\/relays-fuses.oembed","provider":"Select-Tech Ambulance \u0026 Emergency Vehicle Parts","version":"1.0","type":"link"}