TDK Corporation has announced its new generation of high-voltage contactors that can safely and reliably switch off continuous DC currents of 300 to 500 A, and operating DC voltages up to 1000 V in lithium-ion batteries in 20 ms or less, depending on the type.
This is made possible by the gas-filled ceramic arc chamber which is also used in other HVC types from TDK.
Completely new is the optional Hall-effect sensor for the auxiliary contact. It is used to detect the switching state of the main contacts. The bidirectional design allows only one HVC27 to charge and discharge batteries, and to power motor drive systems and do regenerative braking (recuperation).
There are three mechanical versions of the UL-certified HVC27 series: an upright version (C1) with dimensions of 95 x 44 x 90 mm (L x W x H) and a horizontal version (C5) with 90 x 90 x 46 mm, and a third version as a replacement type (NIL) for the HVC25. The high-current contactors are available with single or double coil, with working voltages of 12 or 24 V. The single-coil version requires 6 W in continuous operation, the dual-coil version only 4 W.
The service life for resistive opening (450 V/300 A) is specified with 1500 operations for the single coil version and 2000 operations for the dual-coil version. At 750 V/300 A, these values are 150 and 1000 opening cycles, respectively.
High-voltage contactors with high continuous current carrying capacity are used, for example, in electric vehicles for fast disconnection of the lithium-ion battery, and in DC charging stations and in stationary battery storage systems such as storage for photovoltaic or UPS systems.
Smarter protection without disruption NewElec Pretoria
Circuit & System Protection
Designed for operations still running without integrated automation, NewElec’s retrofit-friendly systems let you upgrade performance and safety without overhauling your entire network.
Read more...Circuit breaker for reliable, compliant protection RS South Africa
Circuit & System Protection
Legrand’s low-voltage power distribution portfolio encompasses the DX3 range of miniature circuit breakers, designed to deliver dependable protection in residential, commercial and industrial installations.
Read more...Precise multi-vital sign monitoring Future Electronics
Power Electronics / Power Management
The AS7058 by ams OSRAM is an integrated multi-vital sign monitoring device, which provides a complete photoplethysmogram, electrocardiogram, body impedance sensor, and electrodermal activity sensor.
Read more...Reducing noise on power supply lines Future Electronics
Circuit & System Protection
Murata has introduced the EMIFIL ESD Series Noise Filters, a breakthrough solution engineered for superior noise suppression and enhanced electrostatic discharge (ESD) protection.
Read more...Advanced 3-phase controllers Future Electronics
Power Electronics / Power Management
The STSPIN32G0 by STMicroelectronics is a family of highly integrated system-in-package providing solution suitable for driving three-phase brushless motors.
Read more...MultiVolt series of oscillators Future Electronics
DSP, Micros & Memory
The ECS-3225MVQ from ECS Inc. is a compact, quartz-based MultiVolt oscillator designed for precision timing in automotive, industrial, and portable electronic systems.
Read more...Drive innovation with AURIX TriCore MCUs Future Electronics
DSP, Micros & Memory
Infineon’s AURIX TriCore family balances safety, performance, and energy efficiency to offer a scalable and future-ready portfolio.
Read more...Powering performance and precision Future Electronics
Power Electronics / Power Management
onsemi’s innovative T10 series MOSFETs, available in 40 V and 80 V versions, are designed for high-efficiency, fast-switching, and power-dense applications.
Read more...Programmable flyback switcher ICs Future Electronics
Power Electronics / Power Management
Power Integrations has announced the release of the InnoSwitch5-Pro family of programmable flyback switcher ICs, which offer more than 95% efficiency in streamlined AC-DC converter designs.
While every effort has been made to ensure the accuracy of the information contained herein, the publisher and its agents cannot be held responsible for any errors contained, or any loss incurred as a result. Articles published do not necessarily reflect the views of the publishers. The editor reserves the right to alter or cut copy. Articles submitted are deemed to have been cleared for publication. Advertisements and company contact details are published as provided by the advertiser. Technews Publishing (Pty) Ltd cannot be held responsible for the accuracy or veracity of supplied material.