U… three-phase monitor relays

Designation:
Complex protection of the loads (mainly motors), connected to three-phase network. Their opration 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 proection: IP 20

Dimensions: 50×72×111 mm

Mounting: to 35 mm rail or 2 pcs M4 screws

Relevant standard: EN 61010