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Mecc Alte T18 Rotating Rectifier Diode Assembly Part No 6101001003 Fits ECO40 ECO43 ECO46 Brushless Alternator
Mecc Alte T18 Rotating Rectifier Diode Assembly Part No 6101001003 Fits ECO40 ECO43 ECO46 Brushless Alternator
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T18 Mecc Alte diode for 5 to 350kva alternator Rotating Rectifier Module AC/DC Rectifier Wheel Rectifier For Diesel Engine
Mecc Alte generators are divided into many different types, but almost all generators use rectifiers that are T18 Mecc Alte diode or diode T30 for their generators for generators, generators need to have rectifier diodes so that the alternator can operate at its full capacity and avoid damage. Diodes help the generator to help the generator adjust the current to always be in the best state.
Cross Reference Part Numbers
Compatible Generator Models
Applicable Power Range: 400KVA ~ 500KVA
Product Specifications
- OEM Part Number: T18
- Official OE Code: 6101001003
- Product Name: Three-Phase Rotating Rectifier Diode Assembly
- Structure: 6PCS High Current Rectifier Diodes, Aluminum Heat Sink Base
- Overall Dimension: Outer Dia 175mm, Inner Mounting Dia 33mm, Thickness 35mm
- Compatible Alternator: Mecc Alte ECO40 / ECO43 / ECO46 (400~500KVA)
- Rated Rectifier Current: 10A
- Insulation Grade: Class F High Temperature Resistant
- Net Weight：0.6KG
- Package：Carton Packaging
- Warranty: 12 Months Factory Warranty
Wide Application Range
- Industrial high-power standby diesel generator sets, data center & hospital critical power stations
- Marine main and auxiliary power generator units, offshore platform power equipment
- Large commercial complex, mine, petroleum centralized power supply stations
- Rental high-power generator units, remote off-grid large-capacity power stations
Key Product Features
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1:1 OEM Mounting Dimension & Standard Rotor Installation Hole Position
Outer diameter 175mm, inner mounting hole 33mm, perfectly matches Mecc Alte original rotor assembly, direct bolt-on installation without machining modification, greatly shortening generator maintenance downtime.
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3-Phase Full-Wave Rectifier Design with 6 High-Current Rectifier Diodes
Stable DC excitation output, strong anti-surge impact capability, effectively avoids single-phase rectification imbalance and excitation current distortion caused by single diode damage.
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Integrated Thickened Aluminum Alloy Heat Sink Structure
Efficient heat dissipation during continuous high-current operation, prevents diode thermal breakdown caused by overheating, greatly extending the service life of rectifier components.
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High-Temperature Insulated Bakelite Base + Anti-Vibration Fixed Wiring Terminal
Resists high temperature aging, insulation breakdown and centrifugal vibration during high-speed rotation, effectively prevents wire loosening, short circuit and open-circuit faults.
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Strict Factory Electrical Performance Test
Each rectifier assembly passes forward/reverse diode characteristic test, insulation withstand voltage test, high-temperature aging and vibration endurance inspection to guarantee stable excitation rectification performance.
Common Equipment Failures Solved
- Generator fails to build up voltage after startup, no AC output voltage at terminal
- Severe voltage fluctuation, overvoltage/undervoltage fault triggering frequent AVR protection or AVR burnout
- Unstable excitation current leading to abnormal frequency, rough load sharing during parallel operation
- Diode short circuit causes exciter winding overheating burnout and generator secondary damage
- Intermittent voltage loss during high-load operation due to loose wiring or aging diode performance
Working principle of Mecc Alte Diode T18
T18 Mecc Alte diode is a device that is equipped for the Mecc Alte alternator used for generators with a capacity of over 400kVA equivalent to the ECO40, ECO43, ECO46 generator models. Mecc Alte Diode T18 is mainly composed of Si, the current can flow up to several hundred A (Ampere).
The function of rectifier diode the T18 Mecc Alte generator has the same operating principle as today’s ordinary diodes, but its main effect is to prevent the current from going in the opposite direction, also known as allowing the current to flow in only one direction. . Only to protect the generator safe operation.
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