Dongguan Ampfort Electronics Co., Ltd.
                                                                                                           
Verified Supplier
12 Years
Since 2014
Menu

SEV SEVI High Voltage DC Contactor 10A-300A for Electric Vehicles with 12-1000VDC Range and 3.5W Coil Power

Price Negotiable
Price: Negotiable
MOQ: 50pcs
Delivery Time: 10 workdays
Brand: AMPFORT
Product Description
Product Overview

SEV SEVI high voltage DC contactors provide reliable switching solutions for electric vehicle systems and renewable energy applications. These polarity/nonpolarity contactors feature full-seal construction and advanced arc elimination technology.

Key Features
  • Full seal construction ensuring high safety and protection
  • Available coil voltages: 12VDC and 24VDC
  • Compact design with high switching power capability
  • Epoxy encapsulation technology prevents oxidation of coil and contacts
  • Permanent magnet arc elimination for enhanced reliability
  • Compliance with GB/T 14048.4-2010 standards
  • CCC certification: 2019010304167727
Applications

Designed for electric vehicle systems including high voltage main circuits, pre-charge circuits, slow/fast charging circuits, and high voltage auxiliary systems. Also suitable for charging pile main circuits, wind power control systems, and photovoltaic power control applications.

Dimensions
SEV SEVI DC Contactor 10A size dimensions diagram
Coil Operating Specifications
Item Parameter 12VDC 24VDC
1 Maximum Voltage 16VDC 28VDC
2 Maximum Pickup (Close) Voltage 9VDC 18VDC
3 Minimum Dropout (Open) Voltage 1.0VDC 2.0VDC
4 Coil Current 267mA 133mA
5 Coil Power (20℃) 3.5W 3.5W
6 Coil Resistance (20℃) ±5% Ohm 45 180
Performance Parameters
Type Parameters Unit Values
Main contactor Contact Arrangement, Main Contacts / 1 Form X (SPST NO DM)
Rated Operating Voltage VDC 12-1000
Overcurrent A 20A 180S/30A 120S
Break Current at 320VDC A 100, 1 Cycle
Contact Resistance, Typ. (@10A) mOhm ≤5
Dielectric Withstanding Voltage VAC 2500, (5mA, 60s)
Insulation Resistor @1000VDC MOhm ≥100
Life Load life 10A/450V Cycle 7×10⁴
Load life 10A/750V Cycle 2×10³
Load life 10A/1000V Cycle 10³
Mechanical Life Cycle 2×10⁶
Pick up/Release Close (includes bounce), Typ. ms ≤20
Release (includes arcing), Max ms ≤5
Environment Shock, 11ms, 1/2 Sine, Peak, operating G 50
Vibration, Sine, 80-2000Hz, Peak G 20
Operating Ambient Temperature -40 ~ +85
Weight, Norminal g ≤105
Product Life and Performance Charts
SEV SEVI DC Contactor product life estimation curve under resistive load SEV SEVI DC Contactor continuous current range performance chart
Usage Precautions
Important Safety Information
  • Operate according to product polarity identification prompts
  • Do not use damaged or fallen products
  • Avoid installation near strong magnetic fields or heat sources
  • Products with energy saver include built-in surge protection
  • Allow 0.1 seconds after power connection before switching operations
  • Do not exceed specified switching capacity and life parameters
  • Monitor coil temperature during continuous operation to prevent voltage issues
Product Images
SEV SEVI DC Contactor product view 1 SEV SEVI DC Contactor product view 2 SEV SEVI DC Contactor application diagram in electric vehicle systems

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Dongguan Ampfort Electronics Co., Ltd.
Location Floor 5,Changlong Industrial Building,No.6,Jiangnan Road,Jingshan,Chashan Town,Dongguan 523323,China
Contact Person Annie Fang

Request A Quote

Please check your email address.
Your message must be at least 20 characters.