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Wieland 5mm terminal blocks built for sensors

Posted: 15 Feb 2002 ?? ?Print Version ?Bookmark and Share

Keywords:wieland electric? wieland? terminal block? din rail block? din rail?

Wieland Electric Inc.'s WK 2.5-4 KOI/U series DIN rail terminal blocks allow for wiring multiple sensors powered by a single pair of power supply leads.

These narrow 5mm terminal blocks provide simplified wiring with easy-access top connections, vertical-entry clamping bodies for sensor leads and a screw head also accessed in the vertical plane, the company said.

The WK series features a space-efficient construction through the distribution of plus-minus voltages, via a plug-in jumper, to adjacent terminal blocks. A single three-wire sensor or actuator can be terminated (+,-, signal) in one terminal block. Eight sensors can be terminated using only 1.65 inches of DIN rail space. Additionally, top-entry terminals guarantee easy conductor connection, saving time for installation and maintenance.

"Traditionally, sensors have been wired with single feed-through terminal blocks requiring three terminal blocks per sensor," said Wieland product manager Dean Norton. "With the WK 2.5-4 KOI/U, one 5mm-wide terminal block provides all the connections required to terminate one three-wire sensor or actuator, so only a third of the DIN rail space is required."

The block's low profile compared with multi-tiered side-entry blocks allows for use in shallow remote junction boxes. This series is available with an LED for switch status indication in either PNP or NPN configuration.

The units are UL-recognized for 300V/20A, and accept wire sizes of 22AWG to 12AWG. The terminal block has a universal foot for mounting to symmetrical or asymmetrical DIN rails. The block is priced at $338.28 in quantities of 100. Samples are available from stock.

EE Times





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