330130-085-01-05 Armored Hazardous Area Extension Cable

330130-085-01-05 is a high-performance Bently Nevada 3300 XL series extension cable with a total length of 8.5 meters (27.9 feet). This model integrates two core features: stainless steel armor for superior mechanical protection and CSA, ATEX, and IECEx hazardous area approvals for safe use in explosive atmospheres, but does not include connector protectors.

It is an essential component of the 3300 XL 8 mm eddy current probe system, designed for applications requiring the precise 8.5 meter length to match a 0.5 meter hazardous area approved probe to form a complete 9 meter intrinsically safe system, along with both mechanical robustness and intrinsic safety, where additional environmental sealing of the connector is unnecessary (or can be handled in the field). Typical applications include vibration monitoring of turbomachinery and compressors in Zone 0 and Zone 1 hazardous areas such as refineries, petrochemical plants, and natural gas facilities.

Model Breakdown: 330130-085-01-05 Configuration Details

Following Bently Nevada’s part number coding system (refer to datasheet Pages 18-19), the fields in this model number represent the following:

Key Configuration Note: The combination of 085, 01, and 05 is the defining feature of this model. In a 3300 XL intrinsically safe system, when using a 0.5 meter hazardous area approved probe (e.g., 330101-XX-05-XX-05), an 8.5 meter hazardous area approved extension cable is required to form a complete 9 m IS system (0.5 m + 8.5 m = 9 m). This model meets this precise total length matching requirement while adding stainless steel armor, providing additional mechanical protection for long-distance conduit routing and high mechanical stress environments in hazardous areas.

Armor Details (No Connector Protector)

Stainless Steel Armor

The armor layer consists of flexible AISI 302 or 304 stainless steel braid, covered with an FEP outer jacket, providing the following protection:

• Crush Resistance: Prevents cable damage from compression during installation or operation

• Tensile Strength: Enhances overall cable pull strength for long-distance conduit routing

• Abrasion Resistance: Prevents insulation damage from friction against metal conduits or equipment edges

• Cut Resistance: Protects internal conductors from accidental cuts or sharp object damage

In hazardous area environments, the armor not only provides mechanical protection but also serves as an additional safety barrier against external impact that could compromise cable integrity.

No Connector Protector

This model does not include pre-installed connector protectors, meaning:

• The connector is exposed to the environment without additional oil or dust sealing

• Suitable for dry, clean hazardous area installations where the connector will not contact turbine oil, moisture, or dust

• If protection against moisture, oil, or conduit abrasion is required, consider the 03-05 option (armored + protector + approvals), or field-install connector protectors (part numbers 40113-02 or 40180-02) that are suitable for hazardous area use

Selection Tip: In hazardous area installations where the connector may be exposed to oil mist or requires pulling through conduit, we strongly recommend selecting a version with connector protectors (e.g., 330130-085-03-05) to maintain intrinsic safety system integrity. Silicone tape is not recommended for turbine oil environments.

Approvals & Conditions of Safe Use

Hazardous Area Certifications

330130-085-01-05 carries the following hazardous area approvals, suitable for installations in major industrial regions worldwide:

Conditions of Safe Use (Intrinsically Safe Systems)

When used in an intrinsically safe system, the following conditions must be observed:

• Barriers/Isolators: Must be installed with intrinsically safe zener barriers per Bently Nevada drawing 141092, or with galvanic isolators.

• Entity Parameters (when connected to approved Proximitor Sensor):

  • Ui = -28V

  • Ii = 140 mA

  • Pi = 0.91 W

  • Ci = 47 nF

  • Li = 1460 μH

• Installation Environment: The Proximitor Sensor must be installed in a non-hazardous area or within an approved explosion-proof enclosure.

Important: This cable must be used with hazardous area approved probes (e.g., 330101-XX-05-XX-05) and Proximitor Sensors (e.g., 330180-90-05) to maintain a complete intrinsically safe system. Mixing with non-approved components will void the hazardous area certification.

Application Scenarios & Selection Guide

330130-085-01-05 is suitable for the following typical applications:

1. Precise Total Length Matching for 9 m IS Systems + Mechanical Protection: When using a 0.5 meter hazardous area approved probe, an 8.5 meter hazardous area approved extension cable is required to form a complete 9 m IS system (0.5 m + 8.5 m = 9 m). This model meets this precise total length matching requirement while providing armored mechanical protection, making it ideal for long-distance conduit routing or environments with mechanical vibration in hazardous areas.

2. Long-Distance Conduit Routing in Hazardous Areas (Dry Environments): In refineries, chemical plants, and other Zone 0/1 areas, when cables must be routed through metal conduit but the connector end is located in a dry, oil-free junction box, armor provides mechanical protection, hazardous area approvals ensure compliance, and connector sealing is unnecessary.

3. High Mechanical Stress with Explosion Protection (No Oil Contact): Near large turbomachinery and compressors in hazardous areas, cables may be subjected to vibration, friction, or accidental impact — armor provides an extra margin of safety, hazardous area approvals ensure safe operation, and the connector remains in a relatively clean area.

4. Cost-Sensitive Hazardous Area Projects: Compared to the 03-05 option (armored + protector + approvals), this model omits connector protectors, reducing procurement cost while still providing armor and hazardous area approvals — ideal for budget-conscious projects requiring dual protection.

Selection Notes:

• Total Length Matching: Probe length + extension cable length = Proximitor Sensor total system length (5 m or 9 m). Verify your probe length: if using a 0.5 m hazardous area approved probe, select this model (8.5 m); if using a 1.0 m hazardous area approved probe, select an 8.0 m armored hazardous area extension cable (e.g., 330130-080-01-05).

• System Integrity: All components entering the hazardous area (probe, extension cable, connector protectors) must carry the same hazardous area approval rating. This model is armored cable without connector protectors – if environmental sealing is required, select a version with protectors.

• Bend Radius: The minimum bend radius for armored cable remains 25.4 mm (1.0 in), the same as standard cable. However, the armor increases cable stiffness and outer diameter — allow sufficient clearance when routing in confined spaces.

• Weight: Armored cable weighs approximately 103 g/m (standard cable is 34 g/m). For long-distance installations, consider the additional tensile load on connectors and probes.

• Ambient Temperature: If the application environment exceeds +177°C, consider the ETR (Extended Temperature Range) armored hazardous area cable series (e.g., 330190-085-01-05).

• Connector Sealing: If the connector may be exposed to liquids or dust in the installation environment, field-install connector protectors or select the 03-05 version.

Comparison with Common Lengths

Standard 9 m intrinsically safe systems are typically composed of a 1.0 m hazardous area probe + 8.0 m hazardous area cable, or a 0.5 m hazardous area probe + 8.5 m hazardous area cable. Choose the extension cable length that matches your probe.

Mechanical Dimensions & Installation

• Cable Outer Diameter:

  • Armored section: 7.67 mm (0.302 in) maximum

  • Armor ferrule: 10.2 mm (0.40 in) maximum

  • Non-armored section (near connector end): 3.68 mm (0.145 in) standard cable diameter

• Connector: Features the ClickLoc design. Finger-tighten until an audible "click" is heard — no special tools are required.

• Installation Drawing: Intrinsically safe system installation must strictly follow Bently Nevada drawing 141092, including barrier selection, grounding, and wiring practices.

• Installation Tips: When routing through conduit in hazardous areas, use a pull rope or fish tape attached to the cable jacket (not the connector) to avoid stress. If environmental sealing of the connector is required, field-install connector protectors that are suitable for hazardous area use.

Related Products & Compatible Configurations

For other lengths or configurations of armored hazardous area extension cables (without protectors), refer to the following options:

Matching Probe: This cable is commonly used with 330101 series 0.5 m hazardous area approved probes (total length option 05, approval option 05). See 330101 Hazardous Area Probe Selection Guide (link to your 330101 series hazardous area model page).

Inquiry & Technical Support

330130-085-01-05 is an armored hazardous area length model in the Bently Nevada product line. For pricing, lead time, or technical drawings, please contact us:

• Online Inquiry: Click the “Request a Quote” button and provide the model number for a prompt response.

• Technical Support: If you need assistance verifying whether this configuration meets your hazardous area mechanical protection requirements, please describe your installation environment (hazardous area classification, conduit routing, oil exposure, vibration levels, etc.) and we will help recommend the optimal cable configuration and confirm system certification integrity.