X Contactor
HONGFA HFE82P-20 DC Contactor 20A Used in Electric Vehicles
Technical Specifications
| Parameter | Value |
|---|---|
| Model | HFE82P-20 |
| Brand | HONGFA |
| Contact Arrangement | 1 Form A (SPST-NO) |
| Rated Load Current | 20A continuous |
| Max Switching Voltage | 1000V DC (standard type) / 1500V DC (high-voltage type) |
| Max Breaking Current | 200A @ 1000V DC (1 operation) |
| Max Switching Power | 30kW |
| Coil Voltage | 12V / 24V / 48V DC (other voltages on request) |
| Coil Power | 2.6W |
| Contact Resistance | ≤2.5mΩ (typical) / ≤4.5mΩ @ 20A |
| Dielectric Strength | 4000VAC 1 min |
| Insulation Resistance | ≥1000MΩ @ 1000V DC |
| Operate / Release Time | ≤30ms / ≤10ms (at rated voltage) |
| Mechanical / Electrical Endurance | 2×106 ops / 1×104 ops (1000V DC, 15A) |
| Operating Temperature | -40°C to +85°C |
| Outline Dimensions | 78.0 × 39.8 × 46.1 mm |
| Weight | Approx. 160g |
| Certification | UL, CUL, VDE, TUV, CQC |
| Place of Origin | China |
Product Details
Technical Drawing & Mounting Dimensions
Compact hermetically sealed relay body with two M3.5 mounting holes and non-polarized #250 tab terminals for both coil and load sides. Outline dimensions 78.0 × 39.8 × 46.1 mm make it easy to integrate into EV battery management systems, charging modules and ESS racks.
Why Choose HONGFA HFE82P-20?
Compact 1000V DC / 20A Design
Delivers 1000V DC switching and up to 200A breaking capacity in a miniature 78 × 39.8 × 46.1 mm package, saving panel space in EV battery boxes and power modules.
Hermetically Sealed Construction
Contacts are hermetically sealed to resist moisture, dust and harsh automotive fluids, ensuring long-term reliability for under-hood EV and industrial equipment applications.
Wide Coil Voltage Range
Standard 12V, 24V and 48V DC coil options cover the most common EV auxiliary power systems, with only 2.6W holding power for low energy consumption.
High Electrical Endurance
2×106 mechanical operations and 1×104 electrical operations at 1000V DC, 15A reduce maintenance and replacement cycles in battery management and charging systems.
Global Safety Certifications
Certified to UL, CUL, VDE, TUV and CQC standards, simplifying approvals for EV, energy storage, PV inverter and industrial control equipment exported worldwide.
Clear Ordering Configuration
Ordering code is easy to decode: HFE82P-20/1000-12-H-Q2J-1 specifies load voltage, coil voltage, contact form, terminal type and mounting style for fast, error-free procurement.
Certifications
HONGFA HFE82P-20 series meets international safety and performance standards for high-voltage DC switching components. Available certifications include:
UL / CUL — Recognized component for North American EV and industrial control applications.
VDE — German/European safety approval for 1000V DC power switching.
TUV — Independent testing and certification for automotive and energy storage systems.
CQC — China Quality Certification for domestic EV, ESS and charging-pile projects.
Certificate images and test reports can be supplied on request for OEM/ODM qualification processes.
Product Applications
Electric Vehicle Battery ManagementBattery pack pre-charge, discharge and heater circuits in passenger EVs, electric buses, electric trucks and hybrid vehicles requiring a compact sealed 1000V DC relay. | DC Charging ModulesPower relay inside AC/DC charging piles, wall-box chargers, portable EV chargers and on-board charger auxiliary circuits where low coil power and small size matter. |
Energy Storage SystemsPack-level and rack-level switching in residential, commercial and industrial battery energy storage systems (BESS), microgrids and solar-storage hybrid inverters. | Industrial DC ControlMotor drives, UPS systems, DC power distribution, test equipment, medical power supplies and telecom rectifiers requiring reliable high-voltage DC switching. |
Frequently Asked Questions
Q1: What is the rated voltage and current of HFE82P-20?
A: HFE82P-20 is rated for 20A continuous load current and 1000V DC switching voltage (standard type), with a maximum breaking current of 200A at 1000V DC.
Q2: Which coil voltages are available?
A: Standard coil voltages are 12V, 24V and 48V DC. Other voltages can be discussed with our engineers for volume orders.
Q3: What does the "P" in HFE82P stand for?
A: "P" indicates the product application group for photovoltaic inverters and energy storage systems. The series is optimized for long electrical endurance in PV/ESS switching circuits.
Q4: Is the HFE82P-20 sealed?
A: Yes. The contact chamber is hermetically sealed to protect against moisture, dust and contaminants, making it suitable for automotive under-hood and outdoor ESS environments.
Q5: What certifications does HFE82P-20 carry?
A: HFE82P-20 has UL, CUL, VDE, TUV and CQC certifications, covering major markets in North America, Europe and China.
Q6: How do I request a quote and samples?
A: Please send us your target coil voltage, load voltage, quantity and application. We will confirm stock availability, sample lead time and best pricing within 24 hours.
- Main Circuit Rating Current:
- 20A
- Phase:
- 2
- Model Number:
- HFE82P-20
- Brand Name:
- HONGFA
- Place of Origin:
- China
- Electricity Type:
- DC
- Dimensions:
- 78.0x 39.8 x 46.1
- Resistance:
- 2.5mohm
- Contact rating:
- 20A
- Load voltage:
- 1000V 1200V
- Max breaking current:
- 200A
- Max switching power:
- 30kw
- Coil Voltage:
- 12 24 48V
- Coil power:
- 2.6w
