Import Bently Nevada 3500/53 133388-01 Overspeed Module — Buy in wholesale FOB from Supplier in China

The BENTLY NEVADA 3500/53 133388-01 is an overspeed detection module engineered for integration with the 3500 Series machinery protection system, a platform developed by Bently Nevada for continuous monitoring of rotating equipment in critical industrial environments. This specific module monitors shaft speed through proximity probe inputs and triggers alarm or trip outputs when rotational speed exceeds configured thresholds, providing a dedicated overspeed protection channel that complements the broader vibration and position monitoring capabilities of the 3500 rack. Moore Automation Limited, based in Xiam_city Fujian Province, holds this unit as part of its extensive surplus automation inventory, positioning it as a replacement component for maintenance teams managing turbine and compressor assets where original manufacturer lead times may extend turnaround schedules.

The module is constructed on an FR4 printed circuit board housed within a metal enclosure designed for rack-mounted installation in the 3500 system chassis. It processes signals from eddy-current proximity probes or magnetic pickups, with typical input frequency ranges covering 1 Hz to 20 kHz depending on probe type and configuration. The 3500/53 module supports relay outputs for mechanical trip functions and communicates status to the system monitor for software-based alarming. Standard overspeed setpoint resolution is typically 0.1% of rated speed, with response times under 50 milliseconds for critical trip functions. The module requires compatible 3500 system power and backplane infrastructure, and operates within standard industrial temperature ranges of 0 to 50 degrees Celsius ambient when properly ventilated within the rack enclosure.

Primary buyers include power generation utilities maintaining steam and gas turbine fleets, oil and gas operators with centrifugal compressor trains, and petrochemical facilities with critical process blowers where overspeed protection is mandated by insurance and safety standards such as API 670. The module also serves as a direct replacement in distributed control system upgrades where legacy 3300 or 7200 series monitors are being phased out in favor of integrated 3500 platforms. Moore Automation Limited sources these units from industrial surplus channels, and buyers should confirm firmware compatibility, calibration certificates, and warranty terms directly with the supplier, as surplus components may carry functional guarantees rather than manufacturer warranties. The supplier's 24-hour online service and claimed 6-12 month warranty period should be verified in writing before purchase, particularly for safety-critical overspeed applications where traceable calibration history is essential.

Moore Automation Limited operates from 32D GuoMao Building on Hubin South Road in Siming District, Xiamen, Fujian Province, China, a location within one of the country's established coastal manufacturing and export zones. The supplier lists itself as offering 24-hour online service and maintains what it describes as a large quantity of stock, with claimed access to over 2,000,000 global parts across PLC, HMI, sensor, servo, motor, and frequency converter categories. The company emphasizes spare parts reserve resources with over 100 cooperative manufacturers, though the listing provides no independent verification of these figures. The supplier's trust tier is classified as harbor, with a response rate of 0.00 and zero recorded average response hours, indicating no historical inquiry data is available through the platform.

The supplier's operational model centers on sourcing surplus and replacement industrial automation components from multiple brands including Bently Nevada, GE, Schneider, ABB, Siemens, and others for resale to maintenance and upgrade projects. The listing does not disclose Moore Automation Limited's founding year, employee count, annual revenue, or specific client references. No ISO certifications, factory audit reports, or third-party verification documents are mentioned in the available profile. Buyers should request direct evidence of business registration, export license status, and warehouse inspection capabilities before committing to safety-critical component purchases. The claimed warranty period of 6-12 months should be obtained in written form with explicit terms regarding DOA coverage and return procedures.