Product Overview
The 128276-01 is a specialized sensor termination module from Bently Nevada, designed to streamline and secure the connection between machinery sensors and monitoring systems in industrial environments. As a critical link in the signal chain, this module organizes and protects sensor wiring, ensuring reliable data transmission from proximity probes, vibration transducers, or temperature sensors to higher-level monitoring equipment like the 3500 machinery protection system.
Part of Bently Nevada’s ecosystem of machinery health components, 128276-01 simplifies the complexity of industrial wiring, reducing the risk of loose connections or signal degradation that can compromise fault detection. What makes 128276-01 valuable is its focus on durability and compatibility: it is engineered to work seamlessly with Bently Nevada’s sensors while withstanding the harsh conditions of factory floors, refineries, and power plants. Whether used in new installations or retrofits, 128276-01 enhances system reliability by providing a robust termination point that minimizes wiring errors and simplifies maintenance.
Technical Specifications
| Parameter |
Value |
| Product Model |
128276-01 |
| Manufacturer |
Bently Nevada |
| Product Type |
Sensor Termination Module |
| Number of Channels |
8 (for individual sensor connections) |
| Connector Type |
M12 circular connectors (male/female) |
| Compatible Sensors |
3300 series proximity probes, 126632-01 vibration transducers |
| Operating Temperature |
-40°C to 85°C (-40°F to 185°F) |
| Dimensions |
100 mm x 75 mm x 25 mm (3.9 in x 3.0 in x 1.0 in) |
| Mounting Type |
DIN rail (35 mm) or panel-mount with included brackets |
| Protection Rating |
IP66 (dust-tight, water-resistant to high-pressure jets) |
| Material |
Zinc-plated steel housing with flame-retardant plastic inserts |
| Certification |
CE, UL 94 V-0 (flame resistance) |
| Signal Integrity |
Gold-plated contacts for low resistance and corrosion resistance |
Key Features and Benefits
The 128276-01 excels in simplifying sensor installation, with pre-wired terminals that eliminate the need for complex on-site wiring. Its 8-channel design allows multiple sensors to be connected in a compact space, reducing clutter in control cabinets and making wiring layouts easier to troubleshoot. This organization cuts installation time by up to 30% compared to manual wiring, a significant advantage in time-sensitive industrial projects.
Durability is a standout feature of 128276-01. The zinc-plated steel housing resists corrosion from moisture or chemical exposure, while IP66 rating ensures protection against dust and high-pressure water jets—critical for environments like offshore platforms or pulp mill wet sections. Gold-plated contacts maintain low electrical resistance over time, preserving signal integrity and preventing data loss that could mask early machinery faults.
Compatibility is another strength: 128276-01 works seamlessly with Bently Nevada’s 3300 series proximity probes and 126632-01 vibration transducers, as well as third-party sensors with matching connectors. This flexibility allows it to integrate into mixed-system setups, reducing the need for custom adapters. Additionally, built-in strain relief on cable entries prevents wire fatigue from vibration, extending the life of sensor connections.
Application Scenarios
The 128276-01 is widely used in industries where organized, reliable sensor wiring is essential for machinery monitoring. In power generation, it simplifies connections between turbine proximity probes and 3500 monitoring systems, ensuring vibration and position data from turbine shafts reaches control rooms without interference. This is particularly valuable in coal-fired plants, where high levels of dust and vibration can disrupt unprotected wiring.
In oil and gas refineries, 128276-01 is deployed in compressor skids, terminating wiring from bearing vibration sensors and temperature probes. Its rugged design withstands the hydrocarbon-rich environments of refineries, preventing corrosion that could cause signal dropouts. Offshore platforms rely on the module to organize sensor connections in tight, weather-exposed enclosures, where secure terminations are critical for preventing unplanned shutdowns.
Chemical processing facilities use
128276-01 to manage wiring from reactor sensor arrays, ensuring temperature and vibration data from agitators is reliably transmitted to DCS systems. Its flame-retardant housing adds a layer of safety in areas with flammable materials, aligning with strict industrial safety standards.
Related Models
128276-02 – 16-channel variant for larger sensor arrays, expanding on the capacity of 128276-01.
128275-01 – Previous generation termination module with basic 4-channel capacity, serving as a predecessor to 128276-01.
128276-03 – Explosion-proof version certified for hazardous areas, suitable for environments where 128276-01’s IP66 rating is insufficient.
330180-91-00 – Proximity probe commonly paired with 128276-01 for turbine monitoring setups.
128276-04 – Weatherproof outdoor variant with enhanced UV resistance, ideal for open-air installations alongside 128276-01.
3500/15 133435-01 – Chassis interface module that integrates seamlessly with 128276-01 in 3500 system configurations.
Installation and Maintenance
Installation of 128276-01 requires a 35 mm DIN rail or flat panel surface with adequate space for wiring—typically 100 mm of clearance above and below for cable management. Prior to mounting, verify that the environment meets the module’s operating temperature and humidity ranges, avoiding direct exposure to oil or chemical sprays. Secure the module using the integrated clips, then connect sensors to the labeled M12 ports, ensuring proper alignment to prevent pin damage. Torque connectors to 0.5 Nm for a secure seal against moisture.
For maintenance, inspect
128276-01 quarterly to check for loose connectors or corrosion on terminals—common in high-moisture areas. Clean contacts with a dry cloth or compressed air to remove dust, and apply a thin layer of anti-corrosion grease to metal surfaces in coastal or chemical environments. Tighten any loose mounting hardware to prevent vibration-induced wear, and replace damaged cables immediately to maintain signal integrity.
Product Warranty
The 128276-01 is backed by a one-year warranty from Xiamen Xiongba E-commerce Co., Ltd., covering defects in materials and workmanship under normal operating conditions. This warranty includes free replacement service for any module found faulty within the coverage period, reflecting our confidence in its durability. Our technical support team provides guidance on installation and troubleshooting, ensuring seamless integration of 128276-01 into your monitoring systems. We are committed to minimizing downtime and supporting the reliability of your industrial operations through responsive service and quality assurance.
Company Introduction
Xiamen Xiongba E-commerce Co., Ltd. Branch specializes in the field of industrial automation, focusing on the sales of Distributed Control Systems (DCS), robot systems, and modules and spare parts for large-scale servo control systems. Our business covers a wide range of industrial automation products, including PLCs, MOTOROLA MVME industrial modules, Anybus communication converters, RTU remote modules, industrial PCs, low-frequency industrial displays, and SCSI human-machine interfaces. With over a decade of industry experience, Xiongba has grown into a global supplier of industrial automation spare parts. We source directly from overseas, offering products and parts from multiple countries and manufacturers. This helps solve customers' procurement challenges, ensures product quality, and provides a significant price advantage. We offer a one-year warranty and free replacement service.
