| Parameter | Value |
|---|---|
| Model | HFE82V-600 |
| Contact Arrangement | 1 Form A |
| Contact Rating | 600A |
| Contact Resistance | ≤ 0.2mΩ (at 600A) |
| Load Voltage | 450VDC / 750VDC (two type codes) |
| Max. Switching Voltage | 1000VDC |
| Max. Breaking Current | 2500A (800VDC, 1 operation) |
| Max. Switching Power | 600kW |
| Electrical Endurance | Making 5×104 ops (750VDC, 120A) · Switching 500 ops (750VDC, 600A) / 2×103 (750VDC, 300A) / 1×105 (800VDC, 10A) · Breaking 1 op (800VDC, 2500A) · 100 ops (1000VDC, 600A) |
| Mechanical Endurance | 2×106 ops |
| Current Carrying Capacity | 600A cont. · 800A / 20min · 1000A / 5min · 3000A / 4s · 8000A / 10ms |
| Coil Voltage / Power | 12VDC or 24VDC · 50W switch-on (0.2s) / 10W holding (pick-up ≤9V / ≤18V) |
| Dielectric Strength | 4000VAC (coil & contacts) · 3000VAC (between open contacts) |
| Insulation Resistance | 1000MΩ (1000VDC) |
| Operate / Release Time | ≤ 50ms / ≤ 30ms (at rated voltage) |
| Ambient Conditions | -40°C ~ +85°C · 5%~85% RH |
| Vibration / Shock Resistance | 10~500Hz 49m/s2 · Functional 196m/s2 / Destructive 490m/s2 |
| Terminal Structure | Load: M10 screw terminal (female) + copper bus bar · Coil: lead wire |
| Dimensions / Weight | 146.0 × 66.6 × 132.8 mm · approx. 1800g |
| Material | Ceramic · Copper · Silver |
| Certification | UL · CUL · VDE · TÜV · CQC |
 Datasheet - contact data, coil data and characteristics (electrical endurance up to 1000VDC / 600A) |  Ordering information - HFE82V-600/750-24-H-L-6 decode (load voltage, coil, terminal structures, special code) |
 Outline dimensions - 146.0 × 66.6 × 132.8 mm (HFE82V-600/XXX-XX-H-L6, 2×M10 terminals) |  Mounting guide - recommended Ø5.2 hole with M5 screw and relay mounting washer assembly |
| Advantage | Benefit for Your Application |
|---|---|
| ✅ 600A Flagship Rating | 600A continuous (up to 1000A / 5min, 3000A / 4s) - the highest-current model of the HFE82V family, sized for bus and heavy-duty drivetrains up to 600kW. |
| ✅ 2500A Breaking Capacity | Max. breaking 2500A at 800VDC (1 operation) with 1000VDC max. switching voltage - a deep safety margin against pack fault currents in high-voltage systems. |
| ✅ ≤0.2mΩ Ultra-Low Resistance | Contact resistance ≤0.2mΩ at 600A - at this current class every milliohm counts: less heat in the PDU, lower cooling demand, higher system efficiency. |
| ✅ 450V & 750V Type Codes | One platform covers 400V and 800V-class battery systems (ordering code even offers a 1000V option) - standardize the whole fleet on a single contactor family. |
| ✅ Busbar Termination & Long Life | M10 screw (female) + copper bus bar load terminals for high-current busbar connections, lead-wire coil, 2×106 mechanical operations and a documented M5 mounting method. |
| ✅ Automotive-Grade Certified | UL · CUL · VDE · TÜV · CQC certified; -40°C~+85°C, 49m/s2 vibration and 490m/s2 shock resistance for bus, truck and heavy commercial platforms. |
UL · CUL · VDE · TÜV · CQC - full certification documents and test reports available on request.
Typical roles in the HFE82V series application matrix: main relay · precharge relay · fast-charge relay - the -600 is the top-rail main contactor for bus and high-power DC systems.
 Electric Bus & Commercial Fleet Main contactor for bus · truck · heavy machinery HV distribution up to 600kW |  DC Fast Charging Equipment High-power charging piles · group charging · megawatt-class charging paths |
 Energy Storage System Utility-scale ESS · battery cabinets · HV DC switching and protection |  Industrial Power Conversion Drives · PCS · rectifier and test equipment HV DC main switching |
| Item | Detail |
|---|---|
| Brand / Origin | HONGFA (Xiamen Hongfa Electroacoustic Co., Ltd.) · Xiamen, China |
| Ordering Model | HFE82V-600/750-24-H-L-6 (example per datasheet: 750VDC, 24VDC coil, 1 Form A, lead-wire coil terminal, M10 screw female + copper bus bar load terminal); pictured unit: HFE82V-600 XX-HL6, 600A 450VDC |
| Configurable Options | Load voltage: 450VDC (nil) / 750VDC / 1000VDC · Coil: 12VDC / 24VDC · Special code (XXX) per project after HONGFA evaluation |
| Companion Models | HFE82V series 20A~600A (HFE82V-20 / -40 / -60 / -100D / -150D / -200B / -250 / -250C / -300C / -400M / -600) - same platform for the full HV distribution chain |
| MOQ | Flexible - contact sales for sample & volume pricing |
| Lead Time | Typically 7-15 days (confirm with sales) |
| Payment | T/T, Trade Assurance, etc. (confirm with sales) |
| Warranty | 1 year |
Q1. Where is the HFE82V-600 typically used?
A: As the top-rail main contactor in electric bus, truck and heavy-machinery high-voltage distribution up to 600kW, and in high-power DC charging paths, ESS battery cabinets and industrial power conversion. It is rated 600A continuous.
Q2. 450V or 750V - which type code do I need?
A: Match the type code to your battery system: 400V-class packs use the 450V type (nil code), 800V-class packs use the 750V type; a 1000V code also exists in the ordering chart. Max. switching voltage is 1000VDC.
Q3. How much fault current can it handle?
A: Max. breaking current is 2500A at 800VDC (1 operation). For short-time overloads it carries 3000A for 4s and 8000A for 10ms - generous margins above the 600A continuous rating.
Q4. What about the 50W coil power?
A: The coil draws 50W only during the 0.2s switch-on phase, then holds at 10W. Drive it with a standard econimizing (PWM/peak-and-hold) coil driver as used in most BMS/PDU designs - 12VDC and 24VDC versions are available.
Q5. How is it mounted and connected?
A: Load side: M10 screw (female) terminals with copper bus bar connection; coil side: lead wires. Follow the datasheet mounting guide - Ø5.2 panel holes with M5 screws and the supplied mounting washers (an M6 hole is explicitly not recommended).
Q6. Is it certified and vehicle-grade?
A: Yes - UL, CUL, VDE, TÜV and CQC certified. It operates from -40°C to +85°C, withstands 10~500Hz / 49m/s2 vibration and 490m/s2 shock, meeting bus and heavy commercial vehicle requirements.
