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DC Magnetic Contactors for Battery, EV & DC Motor Control — 9A to 85A

KRIPAL manufactures DC magnetic contactors for battery systems, DC motor drives, EV charging and industrial DC control circuits. The UKD1 series (9A to 85A, 3 pole) is engineered for DC arc extinction — not repurposed AC hardware.

Coil options include 110V DC and 24V DC on select models. CE certified and exported factory direct to distributors and OEM customers worldwide.

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DC Magnetic Contactors for Battery, EV & DC Motor Control — 9A to 85A
UKD1 Magnetic DC Contactor 9A-85A 110V dc Coil 3-Pole CE Certified
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UKD1 Magnetic DC Contactor 9A-85A 110V dc Coil 3-Pole CE Certified

UKC1 DC Coil Contactor is an electromagnetic switching device specifically engineered for DC circuits.

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UKD1 Magnetic DC Contactor 22A 24V dc Coil 3-Pole CE Certified
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UKD1 Magnetic DC Contactor 22A 24V dc Coil 3-Pole CE Certified

UKC1 DC Coil Contactor is an electromagnetic switching device specifically engineered for DC circuits.

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DC Magnetic Contactor Selection Guide for Direct Current Systems

Efficient DC switching requires specialized arc extinguishing mechanisms due to the absence of a natural zero-crossing point in DC waveforms. The KRIPAL UKD1 series leverages advanced magnetic blowout technology and reinforced arc chutes to deliver superior arc suppression. Designed for mission-critical applications—including battery energy storage systems (BESS), Uninterruptible Power Supplies (UPS), and industrial DC motor control—our contactors provide the robust isolation and load management reliability that modern high-voltage DC systems demand.


Technical Specifications of the UKD1 DC Magnetic Contactor Series

Magnetic Blowout Architecture

Integrates specialized DC arc chutes utilizing localized magnetic fields to rapidly stretch and extinguish electrical arcs, maximizing contact longevity during high-load breaking operations.

Current Rating Range: 9A to 85A

Accommodates a distinct range of direct current loads. This DC magnetic contactor scales efficiently from low-power battery isolation circuits up to medium-capacity DC motor drives and distribution buses.

DC Control Coil Specifications

Features a 110V DC standard configuration for primary industrial control panels, alongside a dedicated 24V DC option specific to the UKD1-22A model for low-voltage automation systems.

3-Pole Configuration

Deploys a standard 3-pole hardware layout suitable for complex DC bus routing, mechanical interlocking, and customized current-sharing wiring methodologies.

Global Regulatory Compliance

Holds comprehensive CE certification. Meets strict European and international standards for direct current switching, facilitating seamless integration for export-oriented OEM manufacturers.

4 Systematic Steps to Specify Your DC Magnetic Contactor

  1. Calculate the DC Load Amperage: Verify the rated operational current safely exceeds the peak continuous load of the target battery bank or DC motor, incorporating a precise margin for transient power spikes.
  2. Identify the Control Coil Voltage: Select the standard 110V DC coil for primary infrastructure setups or specify the UKD1-22A model when the control circuitry dictates a 24V DC input signal.
  3. Determine the Application Profile: Classify the specific operational environment, confirming the DC magnetic contactor will govern a solid-state battery disconnect, regulate a DC traction motor, or manage a UPS power routing matrix.
  4. Verify Regulatory Requirements: Ensure the selected switching component meets the safety and certification protocols of the final installation site, utilizing the inherent CE mark for EU and global projects.

From Battery Storage to EV Charging: DC Contactor in the Field

KRIPAL UKD1 DC magnetic contactors handle direct current switching where arc suppression is critical, deployed in renewable energy storage containers, electric vehicle charging stations, and industrial DC drive cabinets across global energy and transport infrastructure projects.

Utility Scale Battery Energy Storage (BESS)

UKD1 contactors provide DC side switching in containerized battery storage for grid frequency regulation and peak shaving. Magnetic blowout arc chambers sustain 24/7 charge-discharge cycling without contact weld failures that plague standard AC rated contactors pressed into DC service.

Public EV DC Fast Charging Infrastructure

DC contactors manage power delivery between rectifier stacks and charging cables in 150kW+ fast charging stations along highway corridors. 3-pole configuration enables parallel pole wiring for higher DC current capacity without upsizing to a larger contactor frame.

Crane Hoist and DC Traction Motor Drives

UKD1 contactors switch DC series motors in overhead crane hoists, electric forklift drive systems, and automated warehouse shuttle vehicles. Magnetic blowout ensures clean arc interruption under frequent reversing and plugging duty that generates severe DC arc conditions.

Power Your DC Project with Factory Direct Supply

  • DC Application Review: Send us your system voltage, continuous current, and duty cycle requirements. Our engineers recommend the optimal contactor with arc chamber verification and coil voltage selection.
  • Certification for DC Standards: Request CE and IEC compliance documentation specific to DC switching applications for your target installation jurisdictions.
  • Project Volume Pricing: Contact our export team for BESS and charging infrastructure project pricing with coordinated multi-batch delivery schedules.
From Battery Storage to EV Charging: DC Contactor in the Field

DC Contactor Manufacturing: Specialized Lines, Global Reach

KRIPAL operates a dedicated DC contactor production cell separate from the AC contactor line, with specialized magnetic blowout assembly stations, DC-specific coil winding parameters, and DC load bank testing that AC production lines cannot replicate for DC switching products.

Magnetic Blowout Assembly Expertise

The arc chamber magnets that define DC contactor performance are assembled and verified on dedicated fixtures. Each unit’s blowout field polarity and magnet gap are checked before the contactor enters final assembly, a quality step that AC-only manufacturers skip.

DC-Specific Coil Design

Unlike AC contactors where coil impedance limits current naturally, DC coils must handle continuous DC voltage without a naturally limiting impedance curve. KRIPAL DC coils are wound with gauge and turns ratios optimized for sustained DC energization without thermal degradation.

DC Load Bank Endurance Verification

Every production batch undergoes DC switching tests at rated voltage and current on resistive-inductive DC load banks that simulate real BESS and EV charger operating conditions, not the AC load banks that AC contactor manufacturers use as a shortcut.

Project-Phased Delivery for Energy Infrastructure

For BESS container and charging station projects with multi-phase deployment, KRIPAL warehouses finished contactors and releases against your site installation schedule. Avoids on-site storage security risks and reduces working capital tied up in early-delivered components.

Low-Volume DC Project Flexibility

Unlike multinationals that enforce 500+ unit MOQ on DC contactors, KRIPAL accepts project quantities from 50 units upward. This serves specialized DC drive manufacturers and prototype BESS integrators who cannot justify large minimum orders.

DC Application Documentation Package

Every export shipment includes DC-specific test reports showing arc interruption waveforms at rated voltage and current, coil thermal imaging under continuous duty, and certificates of origin formatted for renewable energy equipment customs tariff codes.

Private Label for Energy Equipment OEMs

Your branded part numbers laser-marked on the contactor body, matching your BESS container or charger station documentation. KRIPAL’s name stays off the product, supporting your brand as the equipment manufacturer.

Direct DC Engineering Dialogue

BESS integrators and EV infrastructure OEMs communicate directly with KRIPAL engineers who specialize in DC arc suppression, not a generalist support queue. Technical questions about DC switching parameters receive informed responses without escalation delays.

Frequently Asked Questions

Explore FAQ >
A DC contactor switches direct current loads using an electromagnetic coil and DC-rated main contacts. KRIPAL UKD1 contactors serve battery, DC motor and control applications from 9A to 85A.
AC contactors rely on current zero-crossing to extinguish arcs. DC contactors need stronger arc chutes and magnetic blowout. KRIPAL UKD1 is designed specifically for DC switching.
UKD1 covers low-voltage DC control up to 85A. For high-voltage EV and battery systems, KRIPAL also offers the UKD-H series up to 300A with IP67 protection.
Yes. KRIPAL is a professional DC contactor manufacturer and exporter supplying CE certified UKD1 products factory direct to global markets.

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