{"product_id":"mtl4706-safety-barrier-by-mtl-transmitter-power-supply","title":"MTL4706+ Safety Barrier by MTL | Transmitter Power Supply","description":"\u003ch3\u003eTechnical Precision: The \u003cspan style=\"color: #d32f2f;\"\u003e\u003cstrong\u003eMTL4706+\u003c\/strong\u003e\u003c\/span\u003e Safety Barrier\u003c\/h3\u003e\n\u003cp\u003eThe \u003cspan style=\"color: #d32f2f;\"\u003e\u003cstrong\u003eMTL4706+\u003c\/strong\u003e\u003c\/span\u003e is an advanced 2-channel electronic isolator featuring proprietary over-volt protection. Engineered specifically for hazardous-area environments, it provides stable power to conventional and smart 2-wire 4\/20mA transmitters. Its patented circuit architecture guarantees a ±2µA measurement accuracy, setting an industry benchmark for signal integrity in volatile process automation zones.\u003c\/p\u003e\n\u003ch3\u003eOperational Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel Configuration:\u003c\/strong\u003e Dual-channel (1 and 2) independent operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Rating:\u003c\/strong\u003e 28V, 300Ω, 93mA (Certified for hazardous area integration).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutput Performance:\u003c\/strong\u003e ≥16V at 20mA output; 250Ω ± 5% load resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±2µA under all operating conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Interface:\u003c\/strong\u003e Supports bussed-power backplanes (20–26.8V) and custom backplanes (20–35V).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Fuse:\u003c\/strong\u003e 50mA channel fuse; 250mA power supply protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGlobal PLC Spare HUB Insight\u003c\/h3\u003e\n\u003cp\u003eGlobal PLC Spare HUB identifies the \u003cspan style=\"color: #d32f2f;\"\u003e\u003cstrong\u003eMTL4706+\u003c\/strong\u003e\u003c\/span\u003e as the gold standard for high-density safety loops. Our insight suggests that this barrier’s floating power supply design effectively mitigates common-mode noise, which is critical for precision flow and pressure transmitter loops where signal drift cannot be tolerated.\u003c\/p\u003e\n\u003ch3\u003eApplication \u0026amp; Diagnostic Capability\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Applications:\u003c\/strong\u003e Petrochemical refineries, gas processing plants, and offshore oil platforms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDevice Compatibility:\u003c\/strong\u003e Compatible with any 2-wire 4\/20mA HART or non-HART smart transmitter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostics:\u003c\/strong\u003e The barrier includes integrated over-voltage protection circuits that prevent damage to downstream PLC cards during field wiring faults.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLogistics, Warranty \u0026amp; Global Support\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWorldwide Logistics:\u003c\/strong\u003e Expedited shipping via FedEx, UPS, and DHL.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHandling Time:\u003c\/strong\u003e Processing within 24–48 hours.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAssurance:\u003c\/strong\u003e Factory-original industrial grade components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerformance Guarantee:\u003c\/strong\u003e Full 12-month industrial performance warranty included.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProfessional FAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Why is the patented circuit design considered \"novel\"?\u003c\/strong\u003e\u003cbr\u003eA: It utilizes a unique low-drift topology that allows the device to maintain ±2µA accuracy despite variations in ambient temperature or supply voltage, outperforming traditional resistor-based barriers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this barrier on a general-purpose backplane?\u003c\/strong\u003e\u003cbr\u003eA: Yes, the unit is highly flexible and functions seamlessly across both bussed-power and custom\/general-purpose backplane architectures.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What does the negative output voltage imply for field wiring?\u003c\/strong\u003e\u003cbr\u003eA: It indicates that the transmitter output is negative with respect to earth; verify that your loop polarity aligns with this to prevent reverse bias damage.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Selection Guide: How do I choose the correct barrier for HART-compatible loops?\u003c\/strong\u003e\u003cbr\u003eA: The \u003cspan style=\"color: #d32f2f;\"\u003e\u003cstrong\u003eMTL4706+\u003c\/strong\u003e\u003c\/span\u003e is fully compatible with digital protocol signals; ensure your loop load does not exceed the internal 300Ω impedance for optimal data transfer.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Experience Tip: How to detect an internal fuse failure?\u003c\/strong\u003e\u003cbr\u003eA: If the transmitter loop goes to zero current but the power supply bus remains healthy, the 50mA internal channel fuse has likely acted due to an external transient; check your field cable insulation first.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/MTL4706.png?v=1781514185\" alt=\"\"\u003e\u003c\/p\u003e","brand":"MTL","offers":[{"title":"Default Title","offer_id":45014021472438,"sku":"MTL4706+","price":145.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/MTL4706.jpg?v=1781514011","url":"https:\/\/www.plcsparehub.com\/products\/mtl4706-safety-barrier-by-mtl-transmitter-power-supply","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}