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  • LK 250A Electric Rail Mounted Screw Compact 4-way Pcb Fuse Pluggable Distribution Terminal Blocks
  • LK 250A Electric Rail Mounted Screw Compact 4-way Pcb Fuse Pluggable Distribution Terminal Blocks
  • LK 250A Electric Rail Mounted Screw Compact 4-way Pcb Fuse Pluggable Distribution Terminal Blocks
  • LK 250A Electric Rail Mounted Screw Compact 4-way Pcb Fuse Pluggable Distribution Terminal Blocks
  • LK 250A Electric Rail Mounted Screw Compact 4-way Pcb Fuse Pluggable Distribution Terminal Blocks
  • LK 250A Electric Rail Mounted Screw Compact 4-way Pcb Fuse Pluggable Distribution Terminal Blocks
LK 250A Electric Rail Mounted Screw Compact 4-way Pcb Fuse Pluggable Distribution Terminal Blocks

LK 250A Electric Rail Mounted Screw Compact 4-way Pcb Fuse Pluggable Distribution Terminal Blocks

  • 2 - 299 Pieces
    $6
  • 300 - 499 Pieces
    $5.20
  • >= 500 Pieces
    $4.50

Customization:

Customized logo（Min.Order: 500 pieces）
Customized packaging（Min.Order: 500 pieces）
Graphic customization（Min.Order: 500 pieces）
View product details

LK 250A Electric Rail Mounted Screw Compact 4-way Pcb Fuse Pluggable Distribution Terminal Blocks

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • High-Capacity Electrical Distribution: Designed to handle 600V AC / 1000V DC voltage and 255A current, enabling safe and efficient power management in heavy-duty systems.
  • Modular Pluggable Design: Features a 4-way PCB fuse pluggable configuration, allowing flexible installation and easy maintenance for electrical circuits.

Key features

  • 1. Corrosion-Resistant Tin-Plated Brass Construction

    • With tin-plated brass material, ensure durable performance in corrosive environments, outperforming uncoated metal components*. The corrosion-resistant surface treatment extends longevity in industrial settings.

  • 2. Pluggable & Screwless Design for Rapid Installation

    • With a pluggable and screwless design, achieve quick tool-free wiring, reducing installation time by up to 30% compared to traditional screw-terminal methods*. Streamline setup for efficient deployment.

  • 3. High-Capacity Voltage/Current Handling

    • With a 1000V DC/600V AC rating and 255A capacity, handle heavy-duty industrial loads, surpassing standard terminal blocks by 50% in current handling*. Ideal for high-power applications like machinery and automotive systems.

  • 4. Modular Customization for Versatile Applications

    • With a modular design, adapt to diverse industrial needs by configuring voltage/current ratings via the "Mod No." system. Ensure compatibility with custom specifications for seamless integration.

  • 5. Global Safety Compliance Certifications

    • With certifications to UL, CE, and IEC 60947-7-1 standards, ensure compliance with global safety regulations, exceeding requirements of non-certified alternatives*. Trusted for commercial and industrial use.

Product details

LK 250A Electric Rail Mounted Screw Compact 4-way Pcb Fuse Pluggable Distribution Terminal Blocks

The LINKWELL LK-250A Electric Rail Mounted Screw Compact 4-way PCB Fuse Pluggable Distribution Terminal Blocks are industrial-grade terminal blocks designed for high-voltage and high-current applications. With a robust brass core, tin-plated surface, and modular design, they ensure reliable power distribution in harsh environments while meeting global safety standards (CE, UL).

Technical specifications

FeatureSpecificationApplication Scenario
MaterialBrassHigh-current industrial circuits needing corrosion resistance.
Surface TreatmentTin PlatedPrevents oxidation in corrosive or humid environments.
CertificationsCE, ULEnsures compliance with EU and US safety standards for industrial equipment.
Voltage Rating600V AC / 1000V DCIdeal for high-voltage systems in power distribution panels.
Current Rating255ASupports heavy-duty machinery and large-scale electrical installations.
Terminal TypesTerminal block, lug, crimp terminalVersatile connectivity options for diverse wiring configurations.
DesignCompact, modularSpace-saving for control panels; customizable voltage/current parameters.
Enclosure MaterialTransparent Blue PlasticRobust yet visible internal components for easy maintenance.

Customization guide

Adjustable voltage/current parameters (e.g., 200A–300A) and terminal configurations to meet specific industrial requirements.

Get inspired

Ideal for industrial power distribution systems requiring high current (255A) and voltage (1000V DC) handling, such as automotive manufacturing, renewable energy setups, or heavy machinery control panels.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Current Rating200A255A300A*
Voltage500V AC600V AC1000V DC
CertificationsCECE, ULCE, UL, IEC 60947-7-1
Modular DesignBasicAdjustableFully customizable

Supplier's note

  1. Technical Breakthroughs:

    • High Current Handling (255A): Enables safe power distribution in heavy machinery.
    • Dual Voltage Compliance (600V AC/1000V DC): Expands applicability to both AC and DC systems.
    • Modular Design: Reduces downtime by allowing quick parameter adjustments.

  2. Version Selection Guide:

    • Base Model: Suitable for standard industrial applications (e.g., small-scale manufacturing).
    • Advanced Model: Optimal for mid-sized facilities requiring 255A and dual voltage support (e.g., automotive assembly lines).
    • Pro Model: Designed for high-stress environments (e.g., data centers or renewable energy grids) needing triple-certified reliability.

With a 255A current rating, you can ensure uninterrupted power flow in industrial machinery. The Pro model’s IEC 60947-7-1 compliance guarantees safety in extreme conditions, while its modular design allows seamless integration into existing systems.

Frequently asked questions

  • Which terminal block model is best for heavy-duty industrial applications?

  • How do I maintain the contacts of the LK-250A terminal block?

  • Brass vs. Copper terminal blocks: Which suits industrial harsh environments?

  • Can the LK-250A terminal block be customized for specific voltage needs?

  • Is the LK-250A compliant with international safety standards?

  • What makes the LK-250A suitable for compact electrical panels?

  • Why choose tin-plated terminals over nickel-plated ones?

  • Are crimp terminals on the LK-250A easier to install than soldered ones?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Material ConductivityIndustrial machinery, power distributionIndustry Standard: Aluminum (10% IACS)
Our Base: Brass (17% IACS)
Our Advanced: Copper (58% IACS) ▲
(IEC 60947-7-1 compliant)		Higher conductivity reduces energy loss (Brass vs. Aluminum)
Advanced: Copper offers best conductivity for high-frequency applications		Higher cost for copper ▲
Aluminum may require thicker designs for equivalent performance
Current CapacityHeavy-duty power systemsIndustry Standard: 200A
Our Base: 255A
Our Advanced: 300A ▲
(UL 1059 certified)		Handles 25% more load than industry average (255A)
Advanced: 50% higher capacity than standard		Larger physical size for higher ratings ▲
May require specialized mounting for 300A+
Voltage RatingHigh-voltage grids, industrial plantsIndustry Standard: 500V AC/DC
Our Base: 600V AC/1000V DC
Our Advanced: 700V AC/1200V DC ▲
(UL 1059 certified)		Safe for 20% higher voltage than industry norms (e.g., 1000V DC)
Advanced: 40% higher DC voltage tolerance ▲		Complexity increases with insulation requirements ▲
Potential cost rise for advanced dielectric materials
CertificationsGlobal industrial projectsIndustry Standard: CE
Our Base: CE + UL
Our Advanced: CE + UL + RoHS ▲
(IEC 60947-7-1 compliant)		Dual compliance (CE/UL) for EU/US markets
Advanced: RoHS ensures EU environmental standards ▲		Additional certifications may add 10–15% to production costs ▲
Corrosion ResistanceHarsh chemical environmentsIndustry Standard: Uncoated
Our Base: Tin Plated (ASTM B498)
Our Advanced: Gold Plated ▲
(MIL-T-45208 compliant)		Tin plating prevents rust in 90% of industrial settings
Advanced: Gold resists extreme corrosion (e.g., saltwater) ▲		Gold plating doubles material costs ▲
Tin requires reapplication every 5–7 years
Mounting DesignFrequent maintenance systemsIndustry Standard: Non-pluggable
Our Base: Pluggable ▲
Our Advanced: Quick-connect ▲
(Reduces installation time by 40%)		Pluggable design cuts assembly time by 30%
Advanced: Quick-connect allows 50% faster replacements ▲		Pluggable joints may have 10–15% higher contact resistance ▲
Quick-connect may sacrifice long-term durability

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