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TTI Now Stocking TDK’s HVC50 High-Voltage Contactors

High-voltage emergency disconnection of lithium-ion batteries.

TTI Now Stocking TDK’s HVC50 High-Voltage Contactors
Europe is now stocking HVC50 high-voltage contactors from TDK.

TTI Europe, a leading specialty distributor of electronic components, is now stocking HVC50 high-voltage contactors from TDK. These gas-filled ceramic contactors can safely and reliably handle continuous DC currents up to 600A and DC voltages of up to 1500V in lithium-ion batteries in 30ms or less, depending on the type. The bi-directional design of the HVC50 means that they are suitable for both charge and discharge batteries as well as power motor drive systems with regenerative braking.

The compact, UL-certified units measure 107.3 x 94.2 x 141.0mm (LxWxH) and weigh approximately 1,600g. The HVC50 contactors have a dual coil construction with a working voltage of 24V and require 5.5W in continuous operation. The service life for resistive opening (450 V/300 A) is specified for 1500 operations, and at 750V/300A, this value is 750.

“These high-voltage contactors with high continuous current carrying capacity can be used in a wide range of applications where fast and reliable emergency disconnection of high DC voltages is required,” says Dermot Byrne, Industry Marketing Director - Transportation at TTI Europe. “Typically, they are used in electric vehicles for fast disconnection of the lithium-ion battery as well as in DC charging stations. More recently, they are being used in stationary energy storage systems (ESS), such as storage for photovoltaic or UPS systems.”

For more information about the TDK’s HVC50 high-voltage contactors, which are now available from TTI, please visit:

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