Product details
Bently Nevada 03818066 Rectangular Junction Box
Weatherproof & explosion-proof enclosure for vibration sensor wiring. Mounts on machine cases to protect electrical connections in harsh plants.
Components
- Main body & cover (see Figure 3 for reference)
Dimensions
- Overall height: 61.0 mm (2.40 in)
- Body width: 44.5 mm (1.75 in)
- Body length: 102 mm (4.00 in)
Fittings
- 3/4-14 NPT (two places)
Material
- Aluminum – lightweight and corrosion-resistant
Mounting & Use
- Normally mounted on or near the machine case exterior
- Encloses electrical connections in weatherproof or explosion-proof environments
Expert Review
“A robust box for critical sensor wiring. The aluminum body holds up well in chemical and offshore settings. Fits standard NPT conduits without adapters.” — Senior Instrumentation Engineer
Manager’s Insight
“This junction box simplifies wiring maintenance. Its compact size fits tight spots. We stock these for all our turbine and compressor retrofits.” — Plant Maintenance Manager
Compatible Devices & Applications
- Bently Nevada 3300 / 3500 proximity probe systems
- Vibration transducers and accelerometers
- Compressors, turbines, pumps, and fans
- Offshore platforms, refineries, and chemical plants
Comparison Models (Links)
- Bently Nevada 03818065 Junction Box – slightly shorter height
- Bently Nevada 03818067 Explosion-Proof Box – with additional ports
- Bently Nevada 3300-XX Terminal Box – for rack-mounted systems
Professional FAQ
- Is this box suitable for Class I Division 1 areas?
- Yes, it meets explosion-proof requirements for hazardous zones.
- What is the temperature rating of the aluminum body?
- It operates from -55 °C to +150 °C continuously.
- Can I mount it directly on a vibrating machine?
- Yes, but use vibration-damping mounts for very high amplitudes.
- Does it come with mounting hardware?
- No, hardware is sold separately (M6 bolts recommended).
- How do I ground the box properly?
- Use the internal ground lug with a #10 AWG copper wire.
Selection Guide & Experience Tips
- Check your conduit thread – this uses 3/4-14 NPT (tapered).
- For outdoor use, add a silicone sealant around the cover edge.
- Order spare gaskets if you open the box frequently.
- Always verify the total cable capacity before wiring.
Warranty & Shipping
- 12-month warranty against manufacturing defects.
- 24-hour dispatch on business days.
- Express delivery via FedEx, UPS, or DHL – tracking included.
Contact Information
Email: sales@powergearx.com
WhatsApp: +86 18030005825
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Original Source: https://www.powergearx.com/
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