UAt, UASt, UASNCt three-phase voltage monitor relays with adjustable breaking delay 2022-07-12T14:20:10+00:00

UAt, UASt, UASNCt three-phase voltage monitor relays with adjustable breaking delay

Designation

Complex protection of the loads (mainly motors), connected to three-phase network. Their operation does not require neutral conductor.

Functions

A – phase-asimmetry
S – phase sequence
N – line voltage increase
C – line voltage decrease
The operating values can be set by turn-knob.
The type-mark begins with letter U and it consists the versions of protection:

Degree of protection: IP 20

Dimensions: 50×72×111 mm

Mounting: to 35 mm rail or 2 pcs M4 screws

Relevant standard: EN 61010

Downloadable document

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