Electrical Safety Devices

Differential Current SensorsCurrent Measuring with the Highest Accuracy

Closed-loop differential current sensors with VAC-invented magnetic probe for highest accuracy. VAC differential current (DI) sensors cover differential currents from 30 mA up to several Amps.

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Current Transformers

Current Transformers for 50 Hz/60 Hz energy meters require core materials with highest permeability and linearity.

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All Current Sensitive DI Sensor for Electric Vehicle Chargingbenvac

benvac is a differential current (DI) sensor specifically developed for EV-charging providing all-current sensitivity. The sensor can trigger an automatic shut-off in case of hazardous electrical faults (DC and AC) according to IEC 62752 or UL2231.

Nanocrystalline Material VITROPERM

VITROPERM® is an iron-based nanocrystalline material with an outstanding combination of soft-magnetic properties which make it the state-of-the-art material for a wide range of applications, e.g. common mode chokes (CMCs), current transformers (CTs), EMI filters and shielding material in wireless power transfer.

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Nanocystalline and Amorphous Cores

Tape-wound toroidal and oval cores made of nanocrystalline VITROPERM® or amorphous VITROVAC® offering low losses over the full permeability range between µ~3,000 to µ>100,000.