70 Series: Line monitoring relays for single and three-phase applications
Finder offers a new range of Electronic voltage monitoring relays for single and three-phase application - in 17.5 or 35 mm housings.
Types 70.11, 70.31 and 70.41 cover the following functions and points of specification:
Models for the multi-function control of undervoltage and overvoltage, phase sequence, phase loss, asymmetry and loss of neutral
Positive safety logic (the contact opens when the monitored parameter is outside of limits.
All functions and values can be easily adjusted by the selector and trimmer on front face
“Blade + cross” – both flat blade and cross head screw drivers can be used to adjust the regulators, the function selector, and to release the 35mm rail catch
Colored LEDs for clear & immediate visual indication
1 CO relay output, 6 or 10 A
Compact module sizes (17.5 mm or 35 mm wide)
Mounting on 35 mm rail (EN 60715)
Cadmium Free contacts
These relays join the type 70.61 for three-phase loss and rotation (replacing the type 72.31 as reported in the Finder News January 1 2012).
European Patent pending for the innovative principle at the root of the 3 phase monitoring and error survey system.
The 70.61 technical characteristics are as follows:
Universal voltage monitoring (UN from 208 V to 480 V, 50/60 Hz)
Phase loss monitoring, even under phase regeneration
Positive safety logic - Make contact opens if the relay detects an error
1 CO relay output, 6 A
Compact size (17.5 mm wide)
35 mm rail (EN 60715) mount
|Rated voltage (50/60 Hz) in V||220...240||380...415||380...415||208...480|
|Undervoltage with / without memory (selectable)||✔||✔||—||—|
|Overvoltage with / without memory (selectable)||✔||✔||—||—|
|Window mode with / without memory (selectable)||✔||✔||—||—|
|Window mode without memory||—||—||✔||—|
|Loss of neutral (selectable)||—||—||✔||—|