02/20/2012

With its ACT20M Weidmüller offers users the choice of a one or two-channel passive isolator with a six millimetre design. Passive isolators guarantee electrical isolation in signal circuits - without an additional power supply. The passive isolator is either input loop powered (ILP) or output loop powered (OLP). This makes it possible to electrically isolate both channels in a module design width of just 6 mm.

 

This represents the simplest, most space-saving and cost effective method of isolation to protect connected devices, and also improves the quality of the signals. High process reliability is assured on the one hand by the electrical isolation of 2.5 kV (300 V rated voltage) and on the other by the high measuring accuracy of up to 0.1 percent and the wide temperature range of -25 °C to +75 °C. The limiting frequency of the ACT20M passive isolator is 100 Hz. It is allocated to surge voltage category II.

The passive isolator is powered either via the input (input loop powered, ILP) or the output (output loop powered, OLP). To protect the connected devices and improve signal quality this is the simplest, most space-saving and cost effective form of isolation.

The ACT20M-CI-CO-ILP-S is input loop powered and the ACT20M-CI-CO-OLP-S is output loop powered. Both versions are designed to be robust and compact (114.3 mm x 6.1 mm x 112.5 mm l/w/h). International approvals (cULus, ATEX Zone 2, FM Div. 2, GL, DNV) and a permissible output load of up to 600 Ohm to control loads (switching amplifier) allow worldwide deployment in a wide variety of applications.

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