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DC Contactor ALQ EVQ5K-350G Normally Open Charging Pile Contactor Wholesale
Technical Specifications
| Parameter | Value |
|---|---|
| Model | EVQ5K-350G |
| Brand | ALQ |
| Rated Current (Optional) | 350 A |
| Max. Switching Voltage | 1000 V DC |
| Power Contact Arrangement | SPST-NO-DM (Single Pole Single Throw, Normally Open, Dual Make) |
| Auxiliary Contact Arrangement (Optional) | SPST-NO / SPST-NC / None |
| Coil Voltage Rating (Optional) | 12 V DC / 24 V DC |
| Coil Characteristics | Single coil |
| Dimensions (L x W x H) | 80.0 x 62.9 x 66.8 mm |
| Mounting Type | Panel mount with bracket |
| Operating Temperature | -40°C to +85°C |
| Origin | Jiangsu, China |
| Warranty | 1 year |
| Typical Applications | EV charging, energy storage systems (ESS), industrial vehicles, frequency conversion equipment, solar inverters |
Product Details
Why Choose ALQ EVQ5K-350G?
High Voltage & Current Switching
Rated 350 A continuous current at 1000 V DC with up to 2000 A max cut-off capacity at 450 V DC, delivering reliable high-voltage DC switching for EV chargers, energy storage systems and industrial DC distribution.
Long Service Life
Engineered for high-cycle operation with up to 200,000 mechanical cycles and 50,000 make cycles on capacitive load, ensuring extended service life for demanding applications.
Copper or Silver Alloy Contacts
Power contact material is selectable as copper or silver alloy via the part numbering system, offering flexible choices for different current-carrying and cost requirements.
Optional Auxiliary Contact
Optional auxiliary contact (SPST-NO or SPST-NC) rated 2 A at 30 V DC, mechanically linked to the main contacts with 100,000-cycle life for reliable status feedback.
IP67 & IP69K Sealed
Fully sealed enclosure rated IP67 & IP69K with salt fog test per GB/T2423.17 / IEC60068-2-11, ready for harsh outdoor and high-pressure washdown environments.
Wide Temperature & Altitude
Operates from -40°C to +85°C with 5%-95% RH humidity tolerance and altitude rating up to 4,000 m for highland and extreme-climate applications.
Certifications
CCC, TUV SUD, and CE (LVD) certified. Quality management system conforms to GB/T19001-2016 / ISO9001:2015.
Product Applications
Industrial Vehicles Electric forklifts, electric pallet trucks, electric aerial work platforms, intelligent logistics systems, automated guided vehicles (AGV), cold chain logistics equipment, industrial robots, electric tools, and electric golf carts. | DC Charging Equipment Chargers, small DC charging piles, monoblock DC charging piles, split-type DC charging piles (group charging), ultra-fast DC charging piles, and integrated DC charging piles for heavy-duty trucks. |
Energy Storage System Large-scale energy storage (generation-side, grid-side), medium-scale energy storage (industrial & commercial), small-scale energy storage (residential), and photovoltaic solar energy systems. | Frequency Conversion Equipment High-voltage frequency converters, power conversion systems (PCS), industrial rectifier power supplies, motor drives, and UPS systems. |
Frequently Asked Questions
Q1: What is the rated voltage and current of the EVQ5K-350G?
A: The EVQ5K-350G is rated for 1000 V DC maximum switching voltage and 350 A continuous current, making it suitable for high-power EV charging piles, energy storage systems and industrial DC power distribution.
Q2: What coil voltages are available?
A: The contactor is available with 12 V DC or 24 V DC single coil. Specify the required coil voltage and auxiliary contact type when requesting a quote.
Q3: Can this contactor be used in energy storage and EV charging systems?
A: Yes. The EVQ5K-350G is designed for DC fast chargers, battery energy storage systems, solar inverters, industrial vehicles and frequency conversion equipment.
Q4: What is the contact arrangement of this contactor?
A: The power contact uses an SPST-NO-DM (Single Pole Single Throw, Normally Open, Dual Make) configuration. An optional auxiliary contact is available in SPST-NO, SPST-NC, or none.
Q5: What protection level does the EVQ5K-350G offer?
A: The EVQ5K-350G features sealed construction with IP67 & IP69K ratings, vibration resistance and wide temperature range (-40°C to +85°C) for outdoor and industrial environments.
Q6: How do I request a quote and what is the lead time?
A: Submit your required specifications (current rating, coil voltage, auxiliary contact type, and quantity) through the inquiry form or contact us via WhatsApp. Our engineers will respond within 24 hours. Sample lead time is [to verify with factory].
- Application:
- Industrial Automation
- Main Circuit Rating Current:
- 350A
- Phase:
- 1
- Model Number:
- EVQ5K-350G
- Brand Name:
- ALQ
- Place of Origin:
- Jiangsu, China
- Electricity Type:
- DC
- Frequency:
- 50 Hz
- Mounting Type:
- Modular
- Rated load voltage Ue:
- 12-1000Vdc
- Rated load current Ie:
- 350Amp
- Rated voltage of coil Us:
- 12Vdc or 24Vdc or 48Vdc
- Contact resistance initial:
- Typical value 1Milliohm
- Electrical life:
- DC450V, 10000 second DC750V, 1000 second
- Warranty:
- 1 year
