Exhibition: The Battery Show North America & Electric & Hybrid Vehicle Technology Expo 2026
Venue: Huntington Place, 1 Washington Boulevard, Detroit, MI 48226, USA
Date: October 12–15, 2026...
A shunt is a precision resistor used to measure direct current by producing a voltage drop proportional to the current flowing through it. While shunts are known for their reliability and long servi...
A circuit breaker is a critical component in any electrical system, providing overcurrent and short-circuit protection. Among the various types available, hydraulic circuit breakers—also known as hydr...
Proper installation and wiring of a DC contactor is just as important as selecting the right model for your application. Even a correctly specified contactor can fail prematurely if it is mounted impr...
Selecting the right DC contactor is one of the most critical decisions in designing or maintaining a high-power DC system. The wrong choice can lead to contact welding, premature failure, or even sa...
In high voltage DC systems, connecting a discharged capacitor bank directly to the supply can cause a massive inrush current that welds contactor contacts or damages downstream components. A pre-cha...
Contact resistance on a high voltage DC contactor directly affects its efficiency and safety. When resistance exceeds the manufacturer’s specified limit—typically around 0.2 mΩ to 0.5 mΩ for new uni...
DC contactors control high-current circuits in electric vehicles, photovoltaic energy storage systems, forklifts, and communication power supplies. When one fails unexpectedly, the consequences range ...
In any system that stores, converts, or delivers substantial DC power—whether it is a 400 V battery pack in an electric bus, a 150 kW fast charger, or a photovoltaic array feeding a grid‑tie inverter—...
In power electronics systems that manage large DC currents, the component that measures the current must be accurate, stable over time, and immune to electromagnetic interference. A precision low‑resi...
A precision DC current measurement resistor that is correctly sized will operate for years within its rated temperature range, delivering a stable millivolt signal proportional to the current. When it...
In any electric vehicle or energy storage system that operates at traction voltages (400 V, 800 V, or higher), the power relay that connects and disconnects the battery must withstand more than the ma...
A telecom shelter in the desert runs all winter perfectly, but every July, the main overcurrent protection starts tripping at noon. The load hasn’t changed, and the wiring is intact – the only differe...
For decades, the core method of connecting and disconnecting high-voltage DC circuits relied on a physical gap between metal contacts. This is a simple, robust concept — until you try to open that gap...
I remember a hot summer afternoon a few years back when a call came in from a plant manager. A production line had tripped—again. The thermal breaker in their control panel had done its job, sort of....
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