| Parameter | Value |
|---|---|
| Model / Ordering Code | HFE82V-300C/750-12-H-C5-1(917) |
| Contact Arrangement | 1 Form A (SPST-NO) |
| Load Voltage | 750VDC (450VDC nil-code / 1000VDC variants available) |
| Max. Switching Voltage | 1000VDC |
| Rated Current | 300A continuous @ 85°C (cable ≥100mm²); 450A 5min, 600A 2min, 900A 30s, 1000A 25s |
| Max. Breaking Current | 2000A (750VDC, 1 op) |
| Max. Switching Power | 300kW |
| Contact Resistance | ≤0.2mΩ (at 250A) |
| Coil (12VDC) | Pick-up ≤9VDC · Drop-out ≥1VDC · 6W (24VDC version: ≤18 / ≥2VDC) |
| Operate / Release Time | ≤30ms / ≤10ms at rated coil voltage |
| Electrical Endurance | Making 7.5×104 ops (140A, 20VDC) · Breaking 500 ops (750VDC, 300A) · 1 op (750VDC, 2000A) |
| Mechanical Endurance | 2×105 ops |
| Dielectric Strength | 3000VAC 1min coil–contacts · 3000VAC 1min open contacts · 1000MΩ @1000VDC |
| Sealing / Ambient | Hermetic ceramic brazing, hydrogen filled, IP67 · −40°C ~ +85°C |
| Terminals / Weight | M6 screw terminal female (load) · coil connector C5 · approx. 370 g |
| Outline Dimensions | 85.1 × 42.5 × 74.5 mm (C5-1(917)) |
| Application | Typical circuit position |
|---|---|
| ⚡️ EV DC Fast Charging | Main contactor in DC charge piles and EV charging stations up to 750VDC / 300A |
| 🔋 Energy Storage Systems | Battery pack and DC bus switching in grid-tied / off-grid ESS and BESS cabinets |
| 🚚 Battery Electric Mobility | Electric trucks, AGVs, forklifts and marine DC drives exposed to shock and vibration |
| 🔧 Industrial DC Power | Rectifier, UPS and DC distribution switching requiring hermetic 750VDC breaking |

| Code Segment | Meaning |
|---|---|
| HFE82V | HFE82 high voltage DC relay series · V = vehicle application |
| 300 | Contact rating — 300A |
| C | C series |
| 750 | Load voltage 750VDC (nil = 450VDC, 1000 = 1000VDC) |
| 12 | Coil voltage 12VDC (24 = 24VDC) |
| H | Contact arrangement 1 Form A |
| C | Coil terminal structure — connector |
| 5 | Load terminal structure — screw terminal, female |
| 1 | Single coil |
| (917) | Customer special code |
| Item | Detail |
|---|---|
| Brand / Origin | HONGFA · Xiamen, China |
| Ordering Model | HFE82V-300C/750-12-H-C5-1(917) — 750VDC, 12VDC coil, 1 Form A, M6 screw terminals, single coil, special code 917 |
| Configurable Options | Load voltage 450VDC (nil code) / 1000VDC · 24VDC coil · vertical mounting |
| MOQ & Lead Time | 1 pc sample · typically 7–15 days (confirm with sales) |
| Payment & Warranty | T/T, PayPal, Trade Assurance · 1 year warranty |