{"product_id":"48v-to-12v-10a-isolated-dc-dc-converter","title":"WGI10-48S12L Isolated 48V (36-75V) In To 12V 10A 120W DC-DC Waterproof Buck Step Down Converter Module","description":"\u003ch2\u003e📋 Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eWGI10-48S12L\u003c\/strong\u003e is an industrial-grade isolated DC-DC step-down converter engineered for demanding commercial and industrial environments where reliable 12V power must be derived from a 48V nominal (36–75V) source. Galvanic isolation between input and output provides a critical safety barrier that protects sensitive downstream electronics from high-voltage transients, ground loops, and electrical noise — making it an ideal fit for telecommunications, solar energy systems, electric vehicles, and marine applications.\u003c\/p\u003e\n\u003cp\u003eBuilt with synchronous rectification technology, this converter achieves \u003cstrong\u003e92% efficiency\u003c\/strong\u003e at full load, minimizing heat generation and maximizing power delivery. The rugged, sealed aluminum enclosure carries an \u003cstrong\u003eIP65 waterproof rating\u003c\/strong\u003e for reliable operation in wet, dusty, and harsh outdoor environments. A comprehensive built-in protection suite — covering short circuit, overcurrent, overvoltage, over-temperature, undervoltage lockout, and reverse polarity — ensures worry-free performance in mission-critical installations.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e⭐ Key Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Input Voltage Range:\u003c\/strong\u003e 36V–75V DC — compatible with 48V battery banks, telecom power plants, and solar arrays\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalvanic Isolation:\u003c\/strong\u003e ≥1500V input-to-output isolation for critical safety separation and ground loop elimination\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Efficiency:\u003c\/strong\u003e 92% typical at 48V input, full load — reduces heat and extends component lifespan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Power Density:\u003c\/strong\u003e 120W (12V @ 10A) output in a compact sealed enclosure\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIP65 Waterproof Rating:\u003c\/strong\u003e Sealed aluminum housing protects against dust ingress and direct water jets\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComprehensive Protection Suite:\u003c\/strong\u003e Short circuit, overcurrent, overvoltage, over-temperature, undervoltage lockout, and reverse polarity protection — all with automatic recovery\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Operating Temperature:\u003c\/strong\u003e −40°C to +50°C ambient — rated for extreme environments\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSynchronous Rectification:\u003c\/strong\u003e Advanced topology for superior efficiency and reduced thermal dissipation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium Internal Capacitors:\u003c\/strong\u003e NCC \u0026amp; NICHICON for high reliability and long service life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Factory Burn-In Tested:\u003c\/strong\u003e Every unit tested at full load before shipment\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eRoHS \u0026amp; CE Compliant\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e📊 Specifications\u003c\/h2\u003e\n\u003ch3\u003eInput\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e36V – 75V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Voltage\u003c\/td\u003e\n\u003ctd\u003e48V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Input Voltage (Continuous)\u003c\/td\u003e\n\u003ctd\u003e78V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUndervoltage Shutdown\u003c\/td\u003e\n\u003ctd\u003e30V – 36V (typical 31.5V), auto-recovery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Input Current\u003c\/td\u003e\n\u003ctd\u003e5A (at 36V input, 10A output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNo-Load Input Current\u003c\/td\u003e\n\u003ctd\u003e80mA – 300mA (at 48V input)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Input Fuse\u003c\/td\u003e\n\u003ctd\u003e7.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Wire Gauge\u003c\/td\u003e\n\u003ctd\u003e16 AWG (input and output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eOutput\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e12V DC (11.65V – 12.35V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e0 – 10A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power\u003c\/td\u003e\n\u003ctd\u003e120W maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency\u003c\/td\u003e\n\u003ctd\u003e92% typical (48V input, 10A output, 25°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Regulation Accuracy\u003c\/td\u003e\n\u003ctd\u003e±2%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Regulation\u003c\/td\u003e\n\u003ctd\u003e±2%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Ripple \u0026amp; Noise\u003c\/td\u003e\n\u003ctd\u003e50mV typical, 200mV max (20MHz bandwidth)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage Rise Time\u003c\/td\u003e\n\u003ctd\u003e8ms – 50ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoot Delay Time\u003c\/td\u003e\n\u003ctd\u003e30ms – 100ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage Overshoot\u003c\/td\u003e\n\u003ctd\u003e≤5%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum External Capacitance\u003c\/td\u003e\n\u003ctd\u003e2000µF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eIsolation \u0026amp; Safety\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput-to-Output Isolation\u003c\/td\u003e\n\u003ctd\u003e≥1500V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput-to-Shell Isolation\u003c\/td\u003e\n\u003ctd\u003e≥1500V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput-to-Shell Isolation\u003c\/td\u003e\n\u003ctd\u003e≥500V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd\u003e≥50MΩ (test voltage 500V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eProtection\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProtection Type\u003c\/th\u003e\n\u003cth\u003eThreshold \/ Behavior\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOvervoltage Protection (OVP)\u003c\/td\u003e\n\u003ctd\u003e13.8V – 15V; hiccup mode, auto-recovery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOvercurrent Protection (OCP)\u003c\/td\u003e\n\u003ctd\u003e10.5A – 14A; hiccup mode, auto-recovery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShort Circuit Protection (SCP)\u003c\/td\u003e\n\u003ctd\u003eContinuous; hiccup mode; survives 4-hour short\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOver-Temperature Protection (OTP)\u003c\/td\u003e\n\u003ctd\u003eShuts down at 85°C shell temp; restores at 80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUndervoltage Lockout (UVLO)\u003c\/td\u003e\n\u003ctd\u003e30V – 36V shutdown; auto-recovery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReverse Polarity Protection\u003c\/td\u003e\n\u003ctd\u003eYes — prevents damage from reversed input connections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEnvironmental \u0026amp; General\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Ambient Temperature\u003c\/td\u003e\n\u003ctd\u003e−40°C to +50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e−55°C to +100°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Humidity\u003c\/td\u003e\n\u003ctd\u003e5% – 95% (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWaterproof Rating\u003c\/td\u003e\n\u003ctd\u003eIP65\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling Method\u003c\/td\u003e\n\u003ctd\u003eNatural convection (no fan required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Altitude\u003c\/td\u003e\n\u003ctd\u003e4,000m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitching Frequency\u003c\/td\u003e\n\u003ctd\u003e250 ±30 KHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMTBF\u003c\/td\u003e\n\u003ctd\u003e≥200,000 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (L × W × H)\u003c\/td\u003e\n\u003ctd\u003eApprox. 110 × 70 × 23 mm (4.33 × 2.76 × 0.91 inches) L × W × H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e≤250g (8.8 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eRoHS, CE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003e💡 Why Choose an Isolated DC-DC Converter?\u003c\/h2\u003e\n\u003cp\u003eUnlike standard (non-isolated) buck converters, the WGI10-48S12L provides \u003cstrong\u003egalvanic isolation\u003c\/strong\u003e — a complete electrical barrier — between the input and output circuits. This matters in real-world installations for several reasons:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety:\u003c\/strong\u003e The ≥1500V isolation barrier protects users and sensitive equipment from dangerous high-voltage faults on the input side\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGround loop elimination:\u003c\/strong\u003e Isolation breaks the ground loop paths that cause noise, hum, and measurement errors in sensitive instrumentation and communications equipment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-domain interfacing:\u003c\/strong\u003e Safely connect a 48V battery system to 12V electronics without shared ground concerns or potential damage from ground differentials\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards compliance:\u003c\/strong\u003e Many industrial, telecom, and medical applications require galvanic isolation between power domains — this module meets that requirement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e🔌 Wiring \u0026amp; Connections\u003c\/h2\u003e\n\u003cp\u003eThe WGI10-48S12L uses clearly labeled screw terminal blocks for both input and output. An optional CNT pin provides remote on\/off control for system-level power management.\u003c\/p\u003e\n\u003ch3\u003eTerminal Reference\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eTerminal\u003c\/th\u003e\n\u003cth\u003eLabel\u003c\/th\u003e\n\u003cth\u003eFunction\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Positive\u003c\/td\u003e\n\u003ctd\u003eV_IN(+)\u003c\/td\u003e\n\u003ctd\u003eConnect to the positive (+) side of your DC input source\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Negative\u003c\/td\u003e\n\u003ctd\u003eV_IN(−)\u003c\/td\u003e\n\u003ctd\u003eConnect to the negative (−) side of your DC input source\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Positive\u003c\/td\u003e\n\u003ctd\u003eV_OUT(+)\u003c\/td\u003e\n\u003ctd\u003e+12V isolated output — connect to your load's positive terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Negative\u003c\/td\u003e\n\u003ctd\u003eV_OUT(−)\u003c\/td\u003e\n\u003ctd\u003eIsolated output ground — connect to your load's negative terminal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eN\/C\u003c\/td\u003e\n\u003ctd\u003eNC\u003c\/td\u003e\n\u003ctd\u003eNot connected in this version. Used for optional Remote On\/Off\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cstrong\u003e⚠️ Important:\u003c\/strong\u003e The output ground V_OUT(−) is galvanically isolated from the input ground V_IN(−). Do not assume they share a common reference. In most installations, leave the output ground floating. In rack-mounted or earth-bonded installations, V_OUT(−) may be intentionally tied to chassis ground — this is acceptable where required, but is not automatic.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch3\u003eBasic Wiring Steps\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eDisconnect your DC power source before making any connections.\u003c\/li\u003e\n\u003cli\u003eConnect the input positive lead (16 AWG or heavier) to V_IN(+). Install a \u003cstrong\u003e7.5A fuse\u003c\/strong\u003e in this lead, close to the power source.\u003c\/li\u003e\n\u003cli\u003eConnect the input negative lead to V_IN(−).\u003c\/li\u003e\n\u003cli\u003eConnect your load's positive wire to V_OUT(+) and the load's negative wire to V_OUT(−).\u003c\/li\u003e\n\u003cli\u003eVerify all connections are tight and correctly polarized before applying power.\u003c\/li\u003e\n\u003cli\u003eApply power and confirm the output reads approximately 12V DC.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003chr\u003e\n\u003ch2\u003e📡 Using the WGI10-48S12L in a −48V Telecom System\u003c\/h2\u003e\n\u003cp\u003eThe WGI10-48S12L is well suited for use in telecom central office and carrier-grade installations powered by a standard −48V DC power plant. Telecom power systems use a \u003cstrong\u003enegative ground convention\u003c\/strong\u003e: the positive terminal (Battery Return, or RTN) sits at 0V and is bonded to earth ground, while the negative terminal (BATT) is the −48V supply rail. Because the module accepts 36–75V input, it covers the full operating voltage window of a −48V telecom plant — from approximately −42V (battery discharge) to −56V (float charge).\u003c\/p\u003e\n\u003ch3\u003eInput Connections for a −48V System\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eV_IN(+) → RTN Bus (0V \/ Battery Return)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eV_IN(−) → BATT Bus (−48V)\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe voltage differential across the input terminals is 0V − (−48V) = \u003cstrong\u003e48V\u003c\/strong\u003e — exactly within the module's rated input range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFor a full explanation of the −48V negative ground convention, step-by-step wiring instructions, safety requirements, and output grounding guidance, see the \u003ca rel=\"noopener\" title=\"WGI10-48S12L User Guide\" href=\"\/blogs\/learn\/wgi10-48s12l-48v-to-12v-isolated-dc-dc-converter-user-guide\" target=\"_blank\"\u003eWGI10-48S12L User Guide\u003c\/a\u003e.\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e⚠️ Protection Features Explained\u003c\/h2\u003e\n\u003cp\u003eAll protection modes use automatic recovery — the converter restarts on its own once the fault condition is cleared, with no manual reset required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eShort Circuit Protection (SCP):\u003c\/strong\u003e Enters hiccup mode and sustains a continuous output short for up to 4 hours without damage. Restarts automatically when the short is removed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOvercurrent Protection (OCP):\u003c\/strong\u003e Activates at 10.5A–14A output. Hiccup mode with automatic recovery when the overload is removed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Overvoltage Protection (OVP):\u003c\/strong\u003e Triggers at 13.8V–15V. Protects downstream equipment from voltage spikes. Hiccup mode with auto-recovery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOver-Temperature Protection (OTP):\u003c\/strong\u003e Shuts down at 85°C shell temperature. Restarts automatically when the shell cools to 80°C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Undervoltage Lockout (UVLO):\u003c\/strong\u003e Prevents operation when input drops below approximately 31.5V (typical). Automatically restarts when input voltage recovers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReverse Polarity Protection:\u003c\/strong\u003e Prevents damage from accidental reversal of input connections.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cblockquote\u003e\n\u003cp\u003e\u003cstrong\u003e💡 Tip:\u003c\/strong\u003e If the converter is cycling on and off rapidly, it is in hiccup mode. Check for an output short circuit, an overloaded output (load drawing more than 10A), or an input voltage that is too low before assuming the unit is faulty.\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr\u003e\n\u003ch2\u003e🎯 Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelecommunications:\u003c\/strong\u003e Powering 12V equipment from standard −48V central office and telecom DC power plants\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSolar \u0026amp; Alternative Energy:\u003c\/strong\u003e Off-grid and grid-tied solar installations with 48V battery banks\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric Vehicles \u0026amp; Golf Carts:\u003c\/strong\u003e Auxiliary 12V accessory power from a 48V drive bus\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMarine \u0026amp; Boating:\u003c\/strong\u003e IP65 waterproof design is ideal for boats, yachts, and marine electronics enclosures\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Automation:\u003c\/strong\u003e PLCs, sensors, and control systems powered from a 48V plant bus\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMilitary \u0026amp; Defense:\u003c\/strong\u003e Ruggedized isolated power conversion for field-deployed electronics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedical Equipment:\u003c\/strong\u003e Isolated power conversion where galvanic separation between power domains is required by design\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e🔧 Installation Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUse \u003cstrong\u003e16 AWG or heavier wire\u003c\/strong\u003e for all input and output connections\u003c\/li\u003e\n\u003cli\u003eInstall a \u003cstrong\u003e7.5A fuse\u003c\/strong\u003e in the positive input lead (or the BATT lead in a −48V telecom system), close to the power source\u003c\/li\u003e\n\u003cli\u003eThe module uses \u003cstrong\u003enatural convection cooling\u003c\/strong\u003e — ensure adequate clearance above the finned heatsink for air circulation. No external fan is required under normal operating conditions.\u003c\/li\u003e\n\u003cli\u003eFor near-full-load operation in warm environments, mount the module vertically to maximize chimney-effect airflow, or provide light forced-air cooling\u003c\/li\u003e\n\u003cli\u003eThe \u003cstrong\u003eIP65 waterproof rating\u003c\/strong\u003e protects against dust and water jets — the module is not rated for submersion\u003c\/li\u003e\n\u003cli\u003eFour corner mounting holes (Ø3.8mm) allow secure panel mounting; mounting to a metal surface also aids thermal dissipation\u003c\/li\u003e\n\u003cli\u003eDo not exceed \u003cstrong\u003e2000µF\u003c\/strong\u003e of external capacitance on the output — excess capacitance can cause slow startup or trigger overvoltage protection on power-up\u003c\/li\u003e\n\u003cli\u003eThe optional \u003cstrong\u003eCNT (Remote On\/Off) pin\u003c\/strong\u003e can be driven by a switch, transistor, or logic signal. Leave it open for standard always-on operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e📦 What's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × WGI10-48S12L Isolated DC-DC Converter Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e📄 Documentation \u0026amp; Resources\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" title=\"WGI10-48S12L User Guide\" href=\"\/blogs\/learn\/wgi10-48s12l-48v-to-12v-isolated-dc-dc-converter-user-guide\" target=\"_blank\"\u003eWGI10-48S12L User Guide\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca rel=\"noopener\" title=\"WGI10-48S12L Manufacturer Datasheet (PDF)\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1641\/0911\/files\/WGI10-48S12L.pdf?v=1775150094\" target=\"_blank\"\u003eManufacturer's Datasheet (PDF)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003cp\u003e\u003cem\u003eSold and supported by Envistia Mall. Ships from the USA. For wiring diagrams and detailed setup instructions, see the WGI10-48S12L User Guide linked above. The manufacturer and Envistia LLC (dba Envistia Mall) are not responsible for any damages or losses resulting from the use of this product. Always follow proper electrical safety practices when working with electronic components. Specifications are based on manufacturer data and are subject to change without notice.\u003c\/em\u003e\u003c\/p\u003e","brand":"Envistia","offers":[{"title":"Default Title","offer_id":47751573864697,"sku":"EM-POWER-0074","price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1641\/0911\/files\/48v-36-75v-in-to-12v-10a-120w-isolated-dc-dc-waterproof-step-down-converter-power-supply-module-wgi10-48s12l-8034022.jpg?v=1775180828","url":"https:\/\/envistiamall.com\/products\/48v-to-12v-10a-isolated-dc-dc-converter","provider":"Envistia Mall","version":"1.0","type":"link"}