Protection relays with integrated transformer

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distance protection relay
distance protection relay
SIPROTEC 7SA82

... independent measuring loops (6-system distance protection) •Several distance- protection functions can be selected: Classic, reactance method (RMD), impedance protection for transformers •Directional ...

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SIEMENS Energy automation and smart grid
self-powered protection relay
self-powered protection relay
SIA-B STANDARD

... SIA-B STANDARD CT’s Dual|Self-Powered Overcurrent Protection SIA-B is the most reliable dual-powered (Self-Powered + Universal Vaux) protection relay offering a high performance previously ...

insulation protection relay
insulation protection relay
JY1000-AL

Tripping current: 0.03 A
Trigger voltage: 400 V

... The JY1000-AL Isolation Monitoring Device is based on the non-balanced bridge principle, integrating monitoring and protection functions. It can monitor the insulation resistance of DC floating systems within 0Ω to 10MΩ. and detect DC ...

earth-leakage protection relay
earth-leakage protection relay
DER4/0D

Tripping current: 0.03 A - 30 A
Trigger voltage: 48 V - 400 V

... The residual current relays of the DER4 Dossena range can be used on LV networks in alternating current of the TT and TN type. They make it possible to achieve adequate selectivity and residual current protection thanks ...

differential protection relay
differential protection relay
DER4F/2D

Tripping current: 0.03 A - 30 A
Trigger voltage: 48 V - 400 V

... modules The residual current relays of the DER4F Dossena range can be used on LV networks in alternating current of the TT and TN type. They make it possible to achieve adequate selectivity and residual current protection ...

differential protection relay
differential protection relay
DER4F/2I

Tripping current: 0.03 A - 30 A
Trigger voltage: 48 V - 400 V

... 96x96mm The residual current relays of the DER4F Dossena range can be used on LV networks in alternating current of the TT and TN type. They make it possible to achieve adequate selectivity and residual current protection ...

earth-leakage protection relay
earth-leakage protection relay
ETR20/H

... digital protection relay, self-powered by the operating current -Microprocessor enabled digital protection relay, self-powered by the operating current -Installed in manually operated ...

current protection relay
current protection relay
B-PRO

... The B-PRO relays provide low impedance differential protection for any bus bar configuration with CT saturation security, integrated breaker failure, overcurrent protection ...

earth-leakage protection relay
earth-leakage protection relay
ELR-IF-0030

Tripping current: 30 mA

... - Type A – Earth Leakage Relay with Integral Toroid - Fixed Trip level (30mA) and Time delay (0s) - Separate Test and Reset buttons - 1 x SPDT Relay output - DIN Rail or surface mount This product incorporates ...

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Broyce Control
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