Speed protection relays

6 companies | 6 products
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differential protection relay / over-voltage / overload / over-frequency
differential protection relay
7SD610, 7SD5 series

... possible. Apart from the main protection function, i.e. the differential protection, the SIPROTEC 7SD610 has a full range of configurable emergency and / or back-up protection functions ...

speed protection relay / panel-mount / digital / programmable
speed protection relay
745

The 745 Transformer protection system is an advanced, multi-featured protection relay that delivers high-speed transformer protection and management. ...

speed protection relay / adjustable
speed protection relay
PH3

Trigger voltage: 250, 30 V

The Speed Sensing protector trip relay monitors rotating equipment using a magnetic pick-up and provides three output contacts which can be used to initiate alarms or shutdown signals. ...

thermal protection relay / under-voltage / over-voltage / earth-leakage
thermal protection relay
FPC 400

Tripping current: 1,000, 5 mA

FPC 400 is a family of current and voltage digital protection relays with easy to use interface meant for variety of solutions in industry and power distribution. Its robust design enables it to be placed ...

speed protection relay / digital / programmable / configurable
speed protection relay
SEL-T400L

Time-Domain Line Protection Apply the SEL-T400L Relay for ultra-high-speed and secure protection of critical lines. With breakthrough time-domain technologies, the SEL-T400L ...

speed protection relay
speed protection relay
RS2001

Tripping current: 0 A - 2 A

The protective relay is designed to protect the on-load tap-changer and the transformer during a malfunction within the on-load tap-changer or the selector switch oil compartment. It trips when the specified ...