Conductor Bar: Temperature Range -40°C to +120°C

Component Specifications

Definition

A conductor bar is a precision-engineered metallic strip or bar designed to conduct electricity within industrial power connector terminal blocks. It serves as a common busbar that distributes electrical power from a single input source to multiple output terminals, ensuring uniform current distribution and reliable electrical connections in industrial control panels, switchgear, and power distribution systems. These components are critical for maintaining electrical continuity, reducing wiring complexity, and enhancing safety in high-current applications.

Working Principle

The conductor bar operates on the principle of electrical conductivity, where its metallic structure allows electrons to flow with minimal resistance. When connected to a power source, it distributes current evenly across all attached terminals through direct physical contact, leveraging its low electrical resistivity and high thermal conductivity to maintain stable performance under load. It functions as a centralized distribution point, eliminating the need for multiple individual wires to each terminal.

Materials

Typically made from high-conductivity metals such as electrolytic copper (Cu-ETP) or aluminum alloys (e.g., 6061-T6), often plated with tin, silver, or nickel to enhance corrosion resistance and improve electrical contact. Copper offers superior conductivity (≥58 MS/m), while aluminum provides a lighter weight alternative. Insulating materials like PVC or polyamide may coat non-contact areas.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Length	50mm to 1000mm (customizable)
Mounting	DIN rail or direct panel mount
Conductivity	≥58 MS/m (for copper)
Cross Section	10mm² to 150mm²
Current Rating	Up to 300A
Voltage Rating	Up to 1000V AC/DC
Temperature Range	-40°C to +120°C

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

Standards

ISO 8092, DIN 46277

Parent Products

This component is used in the following industrial products

Industrial Power Connector Terminal Block

Modular electrical connection component for secure power distribution in industrial wiring systems.

View Product Details

Conductor Rails

Rigid conductive bars that provide continuous electrical power transmission along a defined path within industrial systems.

View Product Details

Engineering Analysis

Risks & Mitigation

Electrical short circuits due to improper insulation
Overheating from excessive current load
Corrosion in humid environments reducing conductivity
Mechanical stress causing deformation or breakage

FMEA Triads

Trigger: Loose mounting or vibration
Failure: Intermittent electrical connections leading to arcing
Mitigation: Use lock washers, regular torque checks, and anti-vibration mounts

Trigger: Exposure to corrosive atmospheres
Failure: Increased resistance and potential open circuit
Mitigation: Apply protective plating (e.g., tin, nickel) and use in controlled environments

Trigger: Overcurrent beyond rating
Failure: Thermal overload and melting of the bar
Mitigation: Implement fuses or circuit breakers matched to the current rating

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.2mm on critical dimensions, electrical resistance within 5% of specified value

Test Method

IEC 60947-7-1 for mechanical and electrical properties, including current carrying capacity and temperature rise tests

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 Conductor Bar

1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Wuxi Komay Electric Equipment Co., Ltd.

Jiangsu, CN

Also makes: Overhead Crane, Busbar System, Bridge Crane and 2 more

Listed on the company's own website · profile compiled by CNFX from public sources

Listed there as: “Conductor Bar”
View source page ↗ komayglobal.com · checked 2026-09-08

View profile Send enquiry

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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

Related Components

Contact Plate

A conductive plate in motor terminal blocks that establishes electrical contact between conductors.

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Gland Body

A gland body is the main housing component of an aluminum cable gland that provides mechanical protection and environmental sealing for electrical cables entering enclosures.

Current Sense Resistor

A precision resistor used to measure current flow in electrical circuits by converting current to a measurable voltage drop.

Frequently Asked Questions

What is the primary function of a conductor bar in a terminal block?

It distributes electrical current from one input to multiple output terminals, simplifying wiring and ensuring consistent power delivery.

Can conductor bars be used in high-temperature environments?

Yes, if made from materials like nickel-plated copper and rated for temperatures up to 120°C, but always check manufacturer specifications.

Are conductor bars interchangeable between different terminal block brands?

Not always; compatibility depends on dimensions, mounting style, and electrical ratings. Consult datasheets for cross-references.

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.

Conductor Bar