High Voltage DC Contactors | Ceramic | 20A–1200A | UL CE Certified | HIITIO
Ceramic DC Contactor Manufacturer · Since 2003

High Voltage
DC Contactors

Ceramic-sealed, hydrogen-filled contactors rated 20A–1200A, up to 2500Vdc. Engineered for EV, ESS, and solar — built to outperform under every condition.

UL Recognized CE Certified CB / SEMKO IATF 16949 RoHS / REACH
Request a Quote → Browse Products
Core Specifications
Current Range
20–1200A
Max Voltage
2500Vdc
Switching Life
100K+ ops
Temp Range
-40~85°C
Sealing
Aviation Grade
Fill Gas
H2/He Mix
UL Recognized
CE Certified
CB Certified
SEMKO
CCC
REACH
RoHS
20+
Years Experience
500+
Global Customers
50+
Countries Served
5
Production Lines
30K㎡
Manufacturing Factory
Full Product Range

Ceramic HV Contactors
20A to 1200A

The complete HCF series — every model laser-welded, hydrogen-sealed, and tested in-house. Available in standard or custom configurations.

HCF20B 1500Vdc 20A
HCF20B
20A
1500 Vdc
HCF20 800Vdc 20A
HCF20
20A
800 Vdc
HCF40 1500Vdc 40A
HCF40
40A
1500 Vdc
HCF60 1500Vdc 60A
HCF60
60A
1500 Vdc
HCF100 1000-1500Vdc 100A
HCF100
100A
1000–1500 Vdc
HCF150 450-1000Vdc 150A
HCF150
150A
450–1000 Vdc
HCF200 1500Vdc 200A
HCF200
200A
1500 Vdc
HCF250 1500Vdc 250A
HCF250
250A
1500 Vdc
HCF300 1500Vdc 300A
HCF300
300A
1500 Vdc
HCF350 1500-2500Vdc 350A
HCF350
350A
1500–2500 Vdc
HCF400 1500Vdc 400A
HCF400
400A
1500 Vdc
HCF500 1500Vdc 500A
HCF500
500A
1500 Vdc
HCF600 1500-2500Vdc 600A
HCF600
600A
1500–2500 Vdc
HCF700 1500Vdc 700A
HCF700
700A
1500 Vdc
HCF800 1500-2500Vdc 800A
HCF800
800A
1500–2500 Vdc
HCF1000 1500-2500Vdc 1000A
HCF1000
1000A
1500–2500 Vdc
HCF1200 2500Vdc 1200A
HCF1200
1200A
2500 Vdc
 +Custom Specs
OEM / ODM Available
Request Datasheet & Quote →
The Real Cost of Contactor Failure

The consequences of failure are
never proportional to the part price.

A contactor is one of the lowest-cost components in a high-voltage system — yet it is the single point responsible for safe disconnection. 0.1% of Your BOM. 100% of Your Safety.

A typical DC contactor costs under $200. An EV battery pack recall costs $5,000–$20,000 per vehicle. A utility-scale ESS fire incident routinely exceeds $1,000,000 in equipment loss, liability, and project delay — before insurance or regulatory costs are counted.
When a contactor fails
🔥
Thermal Runaway RiskFailure to interrupt DC arc at high voltage can trigger battery thermal runaway, causing fire, physical damage, and serious safety liability.
🔄
Recall & Field ReplacementA field failure in an EV or ESS installation requires costly site inspection, logistics, and engineering resources — not just the part itself.
📋
Certification Re-TestChanging a contactor mid-project often triggers partial or full recertification of the system — weeks of delay and five-figure lab costs.
📉
Brand & Contract RiskA safety incident tied to a component failure damages customer relationships and can void supply agreements worth far more than the component.
What HIITIO delivers
🛡️
Aviation-Grade Arc QuenchingCeramic chamber + H₂/He fill gas extinguishes DC arc faster and more completely than polymer contactors — confirmed over 100,000 switching cycles in-house.
✅
Pre-Cleared for Global ProgramsUL, CE, CB, TÜV, SEMKO — our certifications mean your system passes, not fails, its next compliance review. No re-test triggered by our component.
🔬
100% In-House QCEvery unit passes electrical life, breaking capacity, and sealing tests before shipment. IATF 16949 production process — the same standard used for automotive safety parts.
⚡
Proven at Scale500+ customers, 50+ countries, 20+ years — including programs in EV, grid storage, and industrial DC where reliability is non-negotiable and failure is not an option.
Talk to Our Engineers — Free Consultation →
Where We’re Deployed

Built for Critical
HV DC Applications

From battery packs to charging infrastructure, HIITIO contactors are trusted in the most demanding power environments.

⚡
Electric Vehicles & HEV
Control high-voltage battery pack connection and disconnection in EV powertrains. Safe isolation during maintenance and emergency events.
🔋
Energy Storage Systems
Connect and disconnect grid-tied ESS units with precision. Supports high-cycle, continuous duty in industrial and utility-scale installations.
🚗
EV Charging Stations
High-current DC fast chargers demand reliable contactors. HIITIO’s ceramic series handles full-load breaks at up to 1500Vdc without arc degradation.
☀️
Solar Inverters & PV
Switching and isolation in PV string inverters, combiners, and utility-scale solar arrays where long-term reliability is non-negotiable.
🏭
Industrial DC Systems
Motor drives, DC buses, and traction equipment requiring high-current interruption capability and confirmed electrical isolation.
🌊
Marine & Off-Highway
Wide operating temperature range and vibration resistance make HCF series ideal for marine, mining, and heavy-duty mobile applications.
Find the Right Contactor for Your Application →
Selection Guide

Find Your Model
in 30 Seconds

Select your application, voltage, and current requirements below. The tool will instantly recommend the right HCF model — then our engineers will confirm and quote within 48 hours.

🔍
Interactive Model Selector
Choose your parameters — recommended models appear instantly
1
Application
2
System Voltage
3
Rated Current
ModelRated CurrentMax VoltageCoil VoltageSwitching LifeTypical Applications
HCF20B20 A1500 Vdc9–36 Vdc100,000 opsEVSolar
HCF2020 A800 Vdc9–36 Vdc100,000 opsEVESS
HCF4040 A1500 Vdc9–36 Vdc100,000 opsEVSolarCharger
HCF6060 A1500 Vdc9–36 Vdc100,000 opsESSSolarCharger
HCF100100 A1000–1500 Vdc9–36 Vdc100,000 opsEVESSCharger
HCF150150 A450–1000 Vdc9–36 Vdc100,000 opsEVESSIndustrial
HCF200200 A1500 Vdc9–36 Vdc100,000 opsESSChargerSolar
HCF250250 A1500 Vdc9–36 Vdc100,000 opsESSChargerIndustrial
HCF300300 A1500 Vdc9–36 Vdc100,000 opsESSIndustrialMarine
HCF350350 A1500–2500 Vdc9–36 Vdc100,000 opsESSSolarIndustrial
HCF400400 A1500 Vdc9–36 Vdc100,000 opsESSChargerIndustrial
HCF500500 A1500 Vdc9–36 Vdc100,000 opsESSChargerIndustrial
HCF600600 A1500–2500 Vdc9–36 Vdc100,000 opsESSIndustrialMarine
HCF700700 A1500 Vdc9–36 Vdc100,000 opsESSIndustrialMarine
HCF800800 A1500–2500 Vdc9–36 Vdc100,000 opsESSIndustrialMarine
HCF10001000 A1500–2500 Vdc9–36 Vdc100,000 opsESSIndustrial
HCF12001200 A2500 Vdc9–36 Vdc100,000 opsESSIndustrial
Not Sure? Ask Our Engineers →
Why HIITIO

Engineered Advantage
at Every Level

Schaltbau, Sensata, Durakool — we compete on specs and beat them on value. Here’s what sets us apart.

01
Aviation-Grade Sealing
High-vacuum ceramic chambers filled with H₂/He mixed gas. Laser and argon-arc welding guarantee zero micro-leakage, confirming stable arc-quench performance across the product lifetime.
02
Full In-House Testing
Independent laboratory for electrical life testing, breaking capacity, high/low temperature cycling, and vibration. 30+ engineers. IATF 16949 production process — automotive-grade quality on every unit.
03
Fast & Flexible Delivery
Stock models ship within days of order confirmation — no weeks-long wait common with European brands. Sample units for evaluation available within 2 weeks. For volume production orders, lead times are confirmed at point of quote. Airfreight, sea freight, and DDP options available worldwide.
04
Competitive Pricing
Vertical integration of the ceramic brazing process, optimized supply chain, and high-volume production lines deliver equivalent performance to European brands at a fraction of the landed cost.
05
Custom & OEM Ready
Auxiliary contacts, coil voltage variants, custom mounting, and private labeling available. Samples within 2 weeks. Production lead time as fast as 3 days from stock, or MOQ-based production runs.
06
Proven Track Record
500+ customers across 50+ countries. 20+ years of manufacturing experience in Hangzhou, China. Active exhibitor at key global trade shows. References available on request.
Request a Free Sample for Evaluation →
Certifications

Globally Certified.
Ready for Your Market.

HIITIO contactors carry the full range of international safety and quality certifications — so your product can enter North America, Europe, and Asia-Pacific without additional testing delays.

UL Certification Certificate
UL Recognized
File E528598 · US & Canada
SEMKO Certification Certificate
SEMKO
SE-S-2200628 · Nordic & EU
CB Certification Certificate
CB Certificate
IEC 60947 · Global Market Access
CE Certification Certificate
CE Certificate
220800809SHA · EU Directive
Request Full Certification Documents →
Drop-In Replacement Guide

Switching from Another Brand?
We Make It Simple.

Already using Tyco/TE, Gigavac, Schaltbau, or Sensata contactors? The table below shows common cross-reference models. Our engineers will verify fit, function, and certifications for your specific application — at no cost.

How this works: Find your existing part number in the table below. Check the HIITIO equivalent and compatibility status. For “Verify with Engineer” items, there may be minor differences in mounting footprint, coil voltage, or auxiliary contact configuration — our team will confirm and provide a complete technical comparison report before you commit to any order.
Their BrandTheir ModelRated CurrentVoltageHIITIO EquivalentCompatibilityNotes
TE / TycoEV200AAANA500 A900 VdcHCF500Direct Drop-InSame mounting footprint, coil 9–36 Vdc
TE / TycoEV200HAANA500 A900 VdcHCF500Direct Drop-InHigh-temp variant; verify ambient spec
GigavacGX16500 A900 VdcHCF500Verify with EngineerMounting may differ; electrical equiv.
GigavacGX14150 A900 VdcHCF150Direct Drop-InCeramic equiv. confirmed
SchaltbauC600600 A1000 VdcHCF600Verify with EngineerTerminal position may differ
SchaltbauC300300 A750 VdcHCF300Direct Drop-InElectrical spec equiv.
Sensata / DurakoolDG85B200 A1000 VdcHCF200Direct Drop-InUL / CE matched
Sensata / DurakoolDG400400 A1000 VdcHCF400Verify with EngineerCoil voltage variant may apply
PanasonicAEV14012100 A1500 VdcHCF100Direct Drop-InSame voltage rating class
BYD / CATL OEMGeneric 200A/1500V200 A1500 VdcHCF200Verify with EngineerSend existing part for comparison

⚠ This cross-reference table is provided as a starting guide only. Compatibility depends on full mechanical, electrical, and certification review. HIITIO engineers will provide a complete technical comparison report at no cost before any order is placed. Contact us with your existing part number for a verified recommendation.

Send Your Part Number — Free Cross-Reference Report →
Get a Quote

Ready to Source
Your Contactors?

Tell us your operating condition — we’ll respond within 48 hours with a competitive quote, datasheet, and sample availability.

Response within 48 hours
Free technical consultation included
Samples available for evaluation
OEM / ODM options available
Stock orders ship in few days
Contact Us →
HIITIO Headquarters — Hangzhou, China
HIITIO Headquarters
Hangzhou, Zhejiang, China · 30,000 m² Manufacturing Facility

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    • 20

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    50+

    Countries & Areas

    500 +

    Customers

    30,000

    ㎡ Manufacturing Factory