Three-phase protection relays

46 companies | 185 products
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over-current protection relay
over-current protection relay
S-ET10E

... available for single- phase (1~) and three- phase (3~) supplies.

Properties & special features

  • 3~ motor protection units monitor integrated thermostatic switches
...

thermal protection relay
thermal protection relay
T119

Trigger voltage: 24 V - 240 V

... Any sensor or unit anomaly is signalled as a fault alarm. Accessories and options The T119 thermal protection relay ensures the safety of dry or resin-coated transformers: Standard distribution ...

phase sequence protection relay
phase sequence protection relay

... Product overview
The Simpedil Phase Control and Sequence Relay is a compact electromechanical/electronic device designed to verify phase sequence and detect phase loss for three- phase ...

earth-leakage protection relay
earth-leakage protection relay
MRI4

current protection relay
current protection relay
S91

Tripping current: 0 A - 16 A
Trigger voltage: 220 V - 415 V

... 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 ...

voltage protection relay
voltage protection relay
CMC 500

... CMC 500 - Modular, multi- phase protection relay test set and commissioning tool ...

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