Connection Head/Cable Gland: Temperature Range -40°C to +120°C

Component Specifications

Definition

A connection head or cable gland is a critical industrial component used to terminate and secure electrical cables entering sensor probes and other equipment. It serves multiple functions: providing mechanical cable retention to prevent pull-out forces from damaging connections, creating an environmental seal against dust, moisture, and chemicals, and maintaining the integrity of electrical insulation. These components are engineered to withstand vibration, temperature variations, and corrosive conditions while ensuring reliable signal transmission in industrial sensing applications.

Working Principle

Cable glands work through mechanical compression and sealing mechanisms. When tightened, an internal compression nut or seal deforms radially against the cable jacket, creating a secure grip and environmental seal. Simultaneously, the gland body threads into the equipment housing, forming a secondary seal at the entry point. This dual-sealing action prevents cable movement, protects against ingress of contaminants, and maintains the equipment's IP (Ingress Protection) rating.

Materials

Typically constructed from brass, stainless steel (304/316), nickel-plated brass, or engineered plastics (PA, PBT). Sealing elements use nitrile rubber (NBR), silicone, Viton (FKM), or EPDM depending on chemical resistance requirements. Materials are selected based on corrosion resistance, temperature range (-40°C to +120°C), and compatibility with industrial environments.

Technical Parameters

Parameter	Typical range	Notes & selection driver
IP Rating	IP67/IP68/IP69K
Thread Size	M12x1.5 to M40x1.5
Certification	ATEX/IECEx for hazardous areas
Material Grade	316 Stainless Steel (Marine Grade)
Voltage Rating	Up to 1000V
Temperature Range	-40°C to +120°C
Cable Diameter Range	3mm to 25mm

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

DIN EN 50262, IEC 60079, UL 514B

Parent Products

This component is used in the following industrial products

Sensor Probe

The sensing element of a level sensor assembly that directly contacts or interacts with the material being measured.

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Engineering Analysis

Risks & Mitigation

Improper installation leading to seal failure
Material incompatibility causing corrosion
Incorrect sizing resulting in poor cable retention
Over-tightening damaging cable insulation
Using non-certified components in hazardous areas

FMEA Triads

Trigger: Incorrect installation torque
Failure: Seal compression failure leading to environmental ingress
Mitigation: Use calibrated torque tools and follow manufacturer specifications

Trigger: Material degradation in chemical environments
Failure: Corrosion or seal deterioration compromising protection
Mitigation: Select appropriate material grades (316 stainless steel, Viton seals) for specific chemical exposures

Trigger: Cable movement due to inadequate strain relief
Failure: Internal wire breakage or connection failure
Mitigation: Ensure proper cable gland sizing and use additional strain relief devices if needed

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Thread tolerance: 6g per ISO 965-1, Cable diameter tolerance: ±0.5mm

Test Method

IP testing per IEC 60529, Mechanical pull test per EN 50262, Temperature cycling per IEC 60068-2-14

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Connection Head/Cable Gland

Manufacturer profiles associated with Connection Head/Cable Gland.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

What is the difference between a cable gland and a regular connector?

Cable glands provide mechanical retention and environmental sealing where cables enter equipment enclosures, while connectors primarily facilitate electrical connections between cables or components without necessarily providing strain relief or ingress protection.

How do I select the right cable gland for my sensor probe?

Consider cable diameter, thread size matching your equipment, required IP rating, material compatibility with your environment (corrosive, high temperature), and any certifications needed (ATEX for hazardous areas). Always verify manufacturer specifications for exact compatibility.

Can cable glands be reused after installation?

Most industrial cable glands are designed for single use as the sealing elements deform during installation. Reuse may compromise the environmental seal. Always consult manufacturer guidelines for specific products.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Connection Head/Cable Gland