Description
BENTLY NEVADA 138257-01 Earthing Module
1. Product Description
The BENTLY NEVADA 138257-01 is a precision-engineered earthing module designed for industrial automation systems, particularly the 3500 Series Machinery Protection System. Its primary role is to provide a stable and reliable grounding solution, ensuring electrical safety and minimizing electromagnetic interference (EMI) in critical rotating machinery applications. With internal terminations and robust insulation, the 138257-01 safeguards sensitive components from voltage spikes and ensures signal integrity in harsh industrial environments.
2. Product Parameters
| Parameter | Specification |
|---|---|
| System Compatibility | BENTLY NEVADA 3500 Series Monitoring System |
| Voltage Range | 24 V DC ±10% |
| Current Rating | 5 A continuous |
| Interface Type | Screw-type terminal blocks (internal terminations) |
| Insulation Resistance | ≥100 MΩ at 500 V DC |
| Operating Temperature | -40°C to +85°C |
| Mounting Method | Rack-mounted (3500 Series compatible) |
| Dimensions | 100 mm × 50 mm × 30 mm (W × H × D) |
3. Advantages and Features
- Integrated Earthing Solution: Combines grounding and signal isolation in a single compact module, reducing wiring complexity.
- Internal Terminations: Prevents exposed conductors, enhancing safety and minimizing installation errors.
- High EMI/RFI Immunity: Shielded design ensures reliable performance in high-noise environments.
- Modular Design: Easy to integrate into existing 3500 Series racks for scalable system expansions.
4. Application Areas and Use Cases
- Industries: Power generation, oil & gas, petrochemical, and manufacturing.
- Key Applications:
- Grounding for vibration sensors in steam turbines.
- Signal conditioning for proximity probes in compressors.
- EMI protection for control systems in industrial plants.
5. Competitor Comparison
The 138257-01 offers:
- Space-Saving Design: Internal terminations eliminate external junction boxes, reducing panel space by 30%.
- Higher Voltage Tolerance: Supports 24 V DC compared to 12–18 V DC in some alternatives.
- Certified Reliability: Compliant with IEC 61000-4-5 surge protection standards.
6. Selection Recommendations
- System Compatibility: Ensure compatibility with BENTLY NEVADA 3500 Series racks and software.
- Environmental Factors: Opt for this module in high-temperature or corrosive environments (rated for -40°C to +85°C).
- Safety Requirements: Prioritize internal terminations for applications requiring compliance with NEC or IEC safety codes.
7. Precautions
- Proper Grounding: Follow manufacturer guidelines for earth electrode installation to avoid ground loops.
- Current Limitation: Do not exceed the 5 A continuous current rating to prevent overheating.
- Maintenance Checks: Inspect terminals annually for corrosion or 松动 connections.
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