X Contactor
HFE85P-250 HONGFA High Voltage DC Contactor 1000V 250A
Technical Specifications
| Parameter | Value |
|---|---|
| Model | HFE85P-250 (e.g. 1000-12-HAL5P-5) |
| Brand | HONGFA (Xiamen Hongfa) |
| Application | PV and energy storage |
| Contact Arrangement | 1 Form A (SPST-NO) + auxiliary contact 1 Form A |
| Contact Rating | 250A continuous |
| Max Switching Voltage | 1000V DC |
| Contact Resistance | ≤0.3 mΩ (at 200A) |
| Max Breaking Current | 2000A (320V DC), 1 operation |
| Max Switching Power | 400kW |
| Current Carrying Capacity | 250A continuous / 320A × 10min / 500A × 1min / 2000A × 1s |
| Electrical Endurance | 6,000 ops breaking (1500V DC, 60A) / 500 ops breaking (1000V DC, 250A) |
| Mechanical Endurance | 2×105 operations |
| Insulation Resistance | 1000 MΩ (1000V DC) |
| Dielectric Strength | 3300 VAC, 1 min (coil–contacts / open contacts / aux contacts) |
| Operate / Release Time | ≤30ms / ≤10ms (at rated voltage) |
| Vibration Resistance | 10Hz–55Hz, 1.5mm double amplitude |
| Shock Resistance | Functional 196 m/s² / Destructive 490 m/s² |
| Ambient Temperature | -40°C to +85°C |
| Load Terminal | M6 screw terminal (female) |
| Outline Dimensions | 80.4 × 62.3 × 72.8 mm |
| Weight | Approx. 400g |
| Material | Ceramic brazed seal, copper & silver contacts |
| Certification | UL / CUL / VDE / TUV / CQC |
| Place of Origin | China |
Coil Data (Energy-Saving PWM, Single Coil)
| Rated Voltage | Pick-up Voltage | Drop-out Voltage | Coil Power |
|---|---|---|---|
| 12V DC | ≤9V DC | ≥4.5V DC | Switch-on 26W / Holding 3W |
| 24V DC | ≤9V DC | ≥4.5V DC | Switch-on 26W / Holding 3W |
Product Details
HONGFA HFE85P-250 is a ceramic-brazed hermetically sealed high-voltage DC contactor designed for photovoltaic and energy-storage applications. It carries 250A continuously at up to 1000V DC switching voltage, breaks 2000A at 320V DC, and delivers 400kW max switching power. The single-pole 1 Form A main contact is complemented by a 1 Form A auxiliary contact for position feedback, and the energy-saving single-coil PWM driver cuts holding power from 26W to just 3W.
Ordering Information
Part number structure HFE85 P -250/1000-12-HAL5P-5 decodes as: P = PV & energy storage application; 250 = 250A contact rating; 1000 = 1000V DC load voltage (450V/750V variants available); 12 or 24 = coil voltage; H = 1 Form A main contact; A = 1 Form A auxiliary contact; L = lead-wire coil termination; 5 = M6 screw terminal (female); P = energy-saving coil; 5 = single coil with PWM. Custom special codes are available on request.
Technical Drawing & Mounting
Outline dimensions are 80.4 × 62.3 × 72.8 mm with a Ø52.8 mm flange footprint, two M6 load terminals, two Ø6 mounting holes and UL3266 20AWG coil leads (400mm typical). X1+/X2- are the coil ends and A1/A2 the auxiliary contact ends.
Mounting note: the recommended mounting-plate hole is M5. Using an oversized M6 opening with the plastic flange can lead to installation failure; when M5 screws are used, washer thickness and strength must be guaranteed or the cover may deform.
Why Choose HONGFA HFE85P-250?
1000V DC High-Voltage Switching
Rated for 1000V DC load voltage with 2000A breaking capacity at 320V DC and 400kW max switching power — sized for utility-scale and commercial PV strings and high-voltage ESS DC links.
250A Continuous with Strong Overload Curve
Carries 250A continuously, 320A for 10 minutes, 500A for 1 minute and 2000A for 1 second, while contact resistance stays ≤0.3 mΩ at 200A to minimize heat rise.
Energy-Saving PWM Coil: 26W On / 3W Holding
The single-coil PWM drive draws 26W only during switch-on, then holds at 3W — cutting coil losses by up to 88% and reducing heat inside battery cabinets and inverter compartments.
Built-In Auxiliary Contact
An integrated 1 Form A auxiliary contact provides main-contact position feedback for BMS and inverter logic without external monitoring hardware.
Ceramic Brazed Hermetic Seal
Ceramic-to-metal sealing with inert-gas contact chamber suppresses DC arcs and protects the silver-based contact system from dust, moisture and –40°C to +85°C temperature extremes.
HONGFA Quality & Global Certifications
Manufactured by Xiamen Hongfa with UL, CUL, VDE, TUV and CQC certifications. Test reports and OEM support are available from X Contactor for volume projects.
Certifications
HONGFA HFE85P-250 is certified and listed for international high-voltage DC switching applications:
UL / CUL — North American safety listing for relay and contactor components.
VDE / TUV — German/European safety certification for high-voltage DC switching.
CQC — China Quality Certification for electrical products.
Factory Test Reports — Contact resistance, dielectric strength and endurance test data available on request.
Product Applications
PV String & Central Inverters
Main DC-side switching for utility-scale and commercial solar inverters up to 1000V DC.
Energy Storage Systems
Battery main contactor for high-voltage ESS racks and commercial BESS cabinets.
DC Combiner Boxes
String disconnect and load-break switching in PV combiner and re-combiner boxes.
EV Charging Infrastructure
High-voltage DC output control in fast-charger power modules and DC distribution.
Frequently Asked Questions
Q1: What does the "P" in HFE85P-250 mean?
Per HONGFA ordering information, P designates the PV and energy-storage application family. The full sample code 1000-12-HAL5P-5 means 1000V DC load voltage, 12V DC coil, 1 Form A main contact, 1 Form A auxiliary contact, lead-wire coil termination, M6 female screw terminal, energy-saving coil with single-coil PWM drive.
Q2: How does the energy-saving coil work?
The single coil is driven by a PWM chopper: it draws 26W to pick up and seal the armature, then the duty cycle is reduced to hold at only 3W. This cuts holding losses by up to 88% compared with a conventional coil, reducing heat and auxiliary power draw in ESS cabinets.
Q3: What overload currents can HFE85P-250 carry?
Beyond 250A continuous, the contactor carries 320A for 10 minutes, 500A for 1 minute and 2000A for 1 second. Maximum breaking current is 2000A at 320V DC (single operation).
Q4: Does it have an auxiliary contact?
Yes. The HAL5P-5 configuration includes a 1 Form A auxiliary contact (terminals A1/A2) for main-contact position feedback, in addition to the 1 Form A main power contacts.
Q5: Can X Contactor provide samples and OEM support?
Yes. We stock HONGFA HFE85P-250 (12V and 24V coil variants) and can supply samples, the full datasheet and factory test reports. Contact us for volume pricing and lead time.
HONGFA Product Family
Xiamen Hongfa is one of the world's largest relay manufacturers, with UL/CUL, VDE, TUV, CQC and CCC approved products used across industrial control, automotive, telecom, home appliances, metering, security, medical and aviation fields. X Contactor supplies the high-voltage DC contactor family for EV, PV and ESS applications.
- Main Circuit Rating Current:
- 250A
- Phase:
- 2
- Model Number:
- HFE85P-250
- Brand Name:
- HONGFA
- Place of Origin:
- China
- Electricity Type:
- DC
- Dimensions:
- 80.4x62.3x72.8
- Resistance:
- 0.3mohm
- Contact rating:
- 250A
- Load voltage:
- 1000V
- Max breaking current:
- 2000A
- Max switching power:
- 400kw
- Coil Voltage:
- 12 24V
- Coil power:
- 26w
