Before you buy a protective relay, there are a few more things to bear in mind:
What is the current used in your grid?
It is essential to know what type of current is used in the grid for which the relay is intended: direct current, alternating current, single-phase, or three-phase.
What incidents do you want to prevent?
You can configure the relay to trigger when it detects certain faults or malfunctions that you have previously defined. The relay actuates...
current protection relay
S91
Tripping current: 0 A - 16 A
Trigger voltage: 220 V - 415 V
... modes: single- phase or three- phase measurement, maximum current range 5 or 16 A, operation with or without PTC. Available model for 230V power supply (S91), and model for 380V power supply (S91-400). Main ...
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