330180-51-CN Bently Nevada 3300 XL Proximitor Sensor 5.0m

Product Overview: Bently Nevada 330180-51-CN

The Bently Nevada 330180-51-CN is a 3300 XL Proximitor Sensor engineered for precise, non-contacting displacement measurement in industrial machinery protection systems. As part of the renowned 3300 XL series, this sensor incorporates engineering-grade improvements over previous designs, ensuring exact signal conditioning for critical rotating equipment. Its physical packaging supports high-density DIN-rail installations, while also accommodating traditional panel mount configurations through an identical 4-hole mounting footprint shared with older Proximitor Sensor designs. Consequently, you can upgrade legacy systems without extensive mechanical modifications. The mounting base provides electrical isolation, eliminating the need for separate isolator plates. Moreover, the sensor exhibits high immunity to radio frequency interference, allowing installation in fiberglass housings without adverse effects from nearby RF signals. This improved RFI/EMI immunity satisfies European CE mark approvals without requiring special shielded conduit or metallic housings, which reduces installation costs and complexity. The 330180-51-CN features SpringLoc terminal strips that require no special installation tools and facilitate faster, more robust field wiring connections by eliminating screw-type clamping mechanisms that can loosen over time.

Key Features & Technical Specifications

• Input Compatibility: Accepts one non-contacting 3300-series 5 mm or 3300 XL 8 mm proximity probe and extension cable.
• Power Requirements: Requires -17.5 Vdc to -26 Vdc when installed with nonincendive circuit connected per installation drawing 140979 at 12 mA maximum consumption; -23 Vdc to -26 Vdc with barriers.
• Supply Sensitivity: Less than 2 mV change in output voltage per volt change in input voltage, ensuring stable signal integrity.
• Output Resistance: 50 Ω for reliable signal transmission.
• Material: A308 aluminum housing with gold-plated brass or gold-plated beryllium copper connectors.
• Weight: 246 g (8.67 oz).
• Operating Temperature: -52°C to +100°C (-62°F to +212°F).
• Storage Temperature: -52°C to +105°C (-62°F to +221°F).
• System Length: 5.0 meters (16.4 feet) total length with DIN mount option.
• Agency Approval: CN Country Specific.

Notably, operation at a more positive voltage than -23.5 Vdc can result in reduced linear range, so precise power supply design is critical. The 330180-51-CN delivers engineering-grade precision for your most demanding applications.

Applications & Use Cases

The 330180-51-CN excels in continuous monitoring of rotating machinery where exact displacement measurements are vital. For instance, in power generation, it detects shaft vibration and axial position on steam turbines, preventing catastrophic failures. In oil and gas, it monitors compressor and pump health, ensuring operational integrity under harsh conditions. Additionally, its robust RFI immunity makes it suitable for fiberglass-housed installations near radio transmitters. Because the sensor supports both DIN-rail and panel mount configurations, it fits seamlessly into new or existing control cabinets. Consequently, engineers can standardize on the 3300 XL platform across multiple assets, reducing spare parts inventory and training requirements.

Installation & Setup

Installing the 330180-51-CN begins with selecting either DIN-rail or panel mount. The DIN-rail option enables high-density layouts, while the panel mount uses a standard 4-hole footprint. Next, connect the proximity probe and extension cable to the SpringLoc terminal strips; these require no special tools and provide secure, vibration-resistant connections. Then, apply the specified negative voltage within the range of -17.5 Vdc to -26 Vdc, ensuring that with barriers the voltage stays between -23 Vdc and -26 Vdc. Always verify wiring against installation drawing 140979 for nonincendive circuits. Finally, confirm that the mounting base provides electrical isolation, which eliminates separate isolator plates and simplifies grounding.