{"product_id":"new-bonfiglioli-type-nb-710210013-rhpsc80-1-500v-1a-motor-brake-rectifier-block","title":"Bonfiglioli NB 710210013 Motor Brake Rectifier Block","description":"\u003cdiv class=\"koeed-container\"\u003e\n    \u003ch2\u003eEngineer's Quick Brief\u003c\/h2\u003e\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eOEM Direct Replacement:\u003c\/strong\u003e Genuine Bonfiglioli NB series rectifier block (Part Number: \u003cstrong\u003e710210013\u003c\/strong\u003e), ensuring exact physical fitment and electrical compatibility within Bonfiglioli AC brake motor terminal boxes.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eStandard Half-Wave Rectification:\u003c\/strong\u003e Converts incoming AC voltage to DC voltage at an approximate ratio of \u003cstrong\u003e0.45 x AC Input\u003c\/strong\u003e, providing reliable and stable direct current to energize standard electromagnetic brake coils.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003ePotted Solid-State Design:\u003c\/strong\u003e The internal diode bridge is fully encapsulated in industrial epoxy, offering exceptional resistance to motor vibrations, thermal cycling, and ingress from factory dust and moisture.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eSEO Introduction\u003c\/h2\u003e\n    \u003cp\u003eThe \u003cstrong\u003eBonfiglioli NB 710210013 Motor Brake Rectifier Block\u003c\/strong\u003e is an essential power-conversion component integrated into the terminal boxes of Bonfiglioli asynchronous brake motors. Industrial electromagnetic brakes require Direct Current (DC) to create the magnetic field necessary to compress the brake springs and release the motor shaft. The \"NB\" series designates a standard \u003cstrong\u003eHalf-Wave Rectifier\u003c\/strong\u003e, which efficiently converts the AC supply voltage to a DC output equivalent to approximately 45% of the input voltage (e.g., 230V AC input yields approx. 103V DC output). Engineered for heavy-duty operational environments, this robust, solid-state component prevents premature brake wear, eliminates brake coil chattering, and protects critical automation machinery such as conveyors, hoists, and packaging lines from catastrophic lock-up failures.\u003c\/p\u003e\n\n    \u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n    \u003cdiv style=\"overflow-x: auto;\"\u003e\n        \u003ctable class=\"koeed-table\"\u003e\n            \u003cthead\u003e\n                \u003ctr\u003e\n                    \u003cth\u003eSpecification Category\u003c\/th\u003e\n                    \u003cth\u003eTechnical Details\u003c\/th\u003e\n                \u003c\/tr\u003e\n            \u003c\/thead\u003e\n            \u003ctbody\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd\u003eBonfiglioli Riduttori S.p.A.\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003e\u003cstrong\u003eOEM Part Number\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd\u003e710210013\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003e\u003cstrong\u003eSeries Type\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd\u003eNB (Standard Brake Rectifier)\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003e\u003cstrong\u003eRectification Topology\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd\u003eHalf-Wave Bridge Rectifier\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003e\u003cstrong\u003eVoltage Conversion Ratio\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd\u003eDC Output ≈ 0.45 × AC Input Voltage\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003e\u003cstrong\u003eEnclosure \u0026amp; Protection\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd\u003eEpoxy-encapsulated electronics (Vibration \u0026amp; moisture resistant)\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003e\u003cstrong\u003eConnection Interface\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd\u003eStandard multi-pin screw terminal block for AC input and DC output\u003c\/td\u003e\n                \u003c\/tr\u003e\n                \u003ctr\u003e\n                    \u003ctd\u003e\u003cstrong\u003eMounting Location\u003c\/strong\u003e\u003c\/td\u003e\n                    \u003ctd\u003eInside the motor terminal box or auxiliary electrical cabinet\u003c\/td\u003e\n                \u003c\/tr\u003e\n            \u003c\/tbody\u003e\n        \u003c\/table\u003e\n    \u003c\/div\u003e\n\n    \u003ch2\u003eApplication Matrix\u003c\/h2\u003e\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eMaterial Handling Conveyors:\u003c\/strong\u003e Ensures smooth and repeatable brake release for start-stop conveyor belts driven by Bonfiglioli gearmotors, preventing mechanical jerking and product damage.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003ePackaging Machinery:\u003c\/strong\u003e Delivers stable DC power to the brake coil, ensuring rapid mechanical engagement the moment the AC power is cut, critical for precise index positioning.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eLifting Equipment \u0026amp; Hoists:\u003c\/strong\u003e Provides fail-safe power conversion; if power is lost, the rectifier immediately ceases DC output, allowing the brake springs to mechanically lock the load securely in place.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch2\u003eTroubleshooting \u0026amp; FAQ\u003c\/h2\u003e\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eThe motor runs, but there is a strong burning smell and the brake housing is extremely hot. What is happening?\u003c\/strong\u003e This indicates the mechanical brake is not releasing while the motor is turning. The most common cause is a failed NB rectifier block (blown open circuit) which is failing to output DC voltage, or outputting insufficient voltage to overcome the brake spring tension. Stop the machine immediately to prevent motor winding destruction.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eHow do I test if the Bonfiglioli 710210013 rectifier is defective?\u003c\/strong\u003e With all power safely disconnected and locked out, use a digital multimeter set to the \"Diode Test\" function. Probe across the paths from the AC input terminals to the DC output terminals. A functional internal diode will show a voltage drop (typically 0.4V to 0.7V) in one direction and 'Open Line' (OL) when the probes are reversed. A reading of 0 ohms (shorted) or 'OL' in both directions indicates a destroyed module.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eCan I replace this NB (Half-Wave) rectifier with a Full-Wave rectifier?\u003c\/strong\u003e \u003cstrong\u003eNo.\u003c\/strong\u003e A full-wave rectifier outputs approximately 90% of the AC input voltage. If you replace the NB module with a full-wave unit without changing the AC supply voltage, you will apply double the intended DC voltage to the brake coil, causing it to overheat and burn out within minutes. Always replace an NB series with another NB series.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eWhat should I check before installing the new rectifier?\u003c\/strong\u003e Before applying power to a newly installed 710210013 rectifier, use a multimeter to measure the resistance (Ohms) of the motor's DC brake coil. If the coil is short-circuited to ground or has melted internally (extremely low resistance), it will instantly blow the internal diodes of your new replacement rectifier.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n    \u003ch3\u003eCross-Reference Guide\u003c\/h3\u003e\n    \u003cp\u003eWhen maintaining Bonfiglioli gearmotors, verifying the exact rectifier series is critical for ensuring the correct brake release timing and coil voltage compatibility:\u003c\/p\u003e\n    \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSeries Verification:\u003c\/strong\u003e The \u003cstrong\u003eNB\u003c\/strong\u003e series is the standard half-wave rectifier. Do not confuse it with the \u003cstrong\u003eSB\u003c\/strong\u003e (Fast-acting half-wave), \u003cstrong\u003eNBR\u003c\/strong\u003e, or \u003cstrong\u003eSBR\u003c\/strong\u003e series unless you are specifically directed to upgrade your braking dynamics by a Bonfiglioli application engineer.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eVoltage Check:\u003c\/strong\u003e Always verify your AC supply voltage in the terminal box (e.g., 230V vs 400V). The rectifier itself simply converts what it receives; feeding incorrect AC voltage will result in incorrect DC output regardless of a functioning rectifier.\u003c\/li\u003e\n    \u003c\/ul\u003e\n\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n    .koeed-container {\n        width: 100%;\n        color: #333;\n        line-height: 1.6;\n        box-sizing: border-box;\n    }\n    .koeed-container h2 {\n        color: #0056b3;\n        border-bottom: 2px solid #16c8c8;\n        padding-bottom: 5px;\n        margin-top: 30px;\n    }\n    .koeed-container h3 {\n        color: #0056b3;\n        margin-top: 20px;\n    }\n    .koeed-container ul, .koeed-container ol {\n        padding-left: 20px;\n    }\n    .koeed-container li {\n        margin-bottom: 10px;\n    }\n    .koeed-container strong {\n        color: #111;\n    }\n    .koeed-table {\n        width: 100%;\n        border-collapse: collapse;\n        margin-top: 15px;\n        margin-bottom: 15px;\n        min-width: 600px;\n    }\n    .koeed-table th, .koeed-table td {\n        border: 1px solid #eeeeee;\n        padding: 12px;\n        text-align: left;\n    }\n    .koeed-table th {\n        background-color: #0056b3;\n        color: #ffffff;\n    }\n    .koeed-table tbody tr:nth-child(odd) {\n        background-color: #f4fcfc;\n    }\n    .koeed-table tbody tr:nth-child(even) {\n        background-color: #fafafa;\n    }\n\u003c\/style\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@graph\": [\n    {\n      \"@type\": \"FAQPage\",\n      \"mainEntity\": [\n        {\n          \"@type\": \"Question\",\n          \"name\": \"The motor runs, but there is a strong burning smell and the brake housing is extremely hot. What is happening?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"This indicates the mechanical brake is not releasing while the motor is turning. The most common cause is a failed NB rectifier block (blown open circuit) which is failing to output DC voltage, or outputting insufficient voltage to overcome the brake spring tension. Stop the machine immediately to prevent motor winding destruction.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"How do I test if the Bonfiglioli 710210013 rectifier is defective?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"With all power safely disconnected and locked out, use a digital multimeter set to the 'Diode Test' function. Probe across the paths from the AC input terminals to the DC output terminals. A functional internal diode will show a voltage drop (typically 0.4V to 0.7V) in one direction and 'Open Line' (OL) when the probes are reversed. A reading of 0 ohms (shorted) or 'OL' in both directions indicates a destroyed module.\"\n          }\n        },\n        {\n          \"@type\": \"Question\",\n          \"name\": \"Can I replace this NB (Half-Wave) rectifier with a Full-Wave rectifier?\",\n          \"acceptedAnswer\": {\n            \"@type\": \"Answer\",\n            \"text\": \"No. A full-wave rectifier outputs approximately 90% of the AC input voltage. If you replace the NB module with a full-wave unit without changing the AC supply voltage, you will apply double the intended DC voltage to the brake coil, causing it to overheat and burn out within minutes. 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If the coil is short-circuited to ground or has melted internally (extremely low resistance), it will instantly blow the internal diodes of your new replacement rectifier.\"\n          }\n        }\n      ]\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"BONFIGLIOLI","offers":[{"title":"Default Title","offer_id":44572867428537,"sku":"234104755395","price":71.94,"currency_code":"USD","in_stock":true}],"url":"https:\/\/koeed.com\/cs\/products\/new-bonfiglioli-type-nb-710210013-rhpsc80-1-500v-1a-motor-brake-rectifier-block","provider":"KOEED","version":"1.0","type":"link"}