
Estar Company Overview
Estar is a China-based supplier for electric transport infrastructure, focused on high-voltage DC contactors used in EV charging stations, electric vehicles, and energy storage systems. Founded in 2013 in Hebei Province, the company supports its production with more than 180 employees and six production lines. Its named product focus suits buyers seeking switching components for high-power charging equipment and related electrical systems. Estar also operates a Wuxi branch, giving the company a presence beyond its original Shijiazhuang base. Buyers evaluating Estar should focus on application fit, sealing and protection requirements, and the level of technical documentation available for their project.
Manufacturer Description
Estar gives electrification builders a focused contactor specialist
Estar develops high-voltage DC contactors for EV charging equipment, electric vehicles, and energy storage systems. Founded in 2013, the company operates from Hebei Province, China. More than 180 employees support production across six manufacturing lines.
That focus gives Estar a clear role within electrification hardware. Buyers seeking switching components can examine a supplier built around one core product family. A Wuxi branch adds to the company’s operating footprint.
Protection details support demanding electrical systems
Estar contactors serve EV fast chargers rated from 120kW to 300kW. Applications also include electric vehicles and energy storage equipment.
Epoxy sealing helps contain electrical arcs. Nitrogen-filled casings help limit oxidation. IP67 protection covers contact areas against dust and water exposure.
Those details support equipment operating in demanding electrical environments. They also give procurement teams concrete points for technical review.
- High-voltage DC contactors for charging equipment
- Applications across EVs and energy storage systems
- Epoxy sealing and nitrogen-filled casings
- IP67 protection around contact points
Focused production brings useful strengths and clear checks
Estar offers concentrated technical experience rather than a broad catalogue. That focus may suit buyers comparing contactor suppliers for charging or storage projects.
Production across six lines gives procurement teams a defined manufacturing base to assess. The available record provides fewer independent customer accounts and external test references.
International visibility also appears more limited. Buyers should request current documentation, validation records, and application support before selecting a supplier.
Those checks matter when contactors sit inside high-voltage equipment. Product fit depends on electrical design, enclosure needs, operating conditions, and compliance requirements.
Estar’s published capabilities provide a starting point for review. They cannot replace project-specific validation or supplier discussions.
Which customers should keep Estar among their options?
Estar deserves consideration from EV charging, electric vehicle, and energy storage manufacturers seeking dedicated high-voltage contactor expertise.
Its product focus and protective construction details support a practical shortlist. The company suits teams prepared to verify technical evidence directly.
Buyers needing extensive global references may prefer a larger, better-documented supplier. Customers seeking a broad component portfolio may also look elsewhere.
Estar fits projects where focused contactor production aligns with system requirements. Careful checks should confirm electrical fit, enclosure needs, operating conditions, and compliance evidence.


