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Advanced, complex protection for critical electrical generation and distribution assets such as generator and transformers Reliable, complex and powerful protection relay for differential ...
... systems with integration of protection, control, monitoring and supervision in one relay. Scope • Feeder protection including communicating two-end line differential • ...
ABB Oy Distribution Automation
The SIPROTEC 7SD82/86/87 line differential protection have been designed particularly for the selective protection of overhead lines and cables with single-ended and multi-ended infeed ...
Siemens Energy automation and smart grid
High-speed current differential unit protection is provided by the MiCOM Alstom P541 and P542 series. Created for all overhead line and cable applications, the P541 and P542 can easily interface with ...
Alstom Grid
WG series electronic differential protection relay for connection to external WG / WGS / WGC series toroidal transformers These are highly reliable electronic relays ...
Trigger voltage: 110, 230 V
... : differential protection settings. protection trigger current. protection status messages, etc. Units with three programmable output contact relays, ...
The RGU-10A is a type-A ultraimmunized earth leakage protection and monitoring relay that is compatible with the earth leakage transformers in the WGC range. The device measures, calculates and displays ...
... 0,2÷5s • One or two operating trip relays. • Output relays test. • Manual (local or remote) or programmable automatic reset. • Continuous control of wiring connection between the relay ...
The X...DB3 series earth leakage relays Type B are designed to measure the DC, AC and high frequency leakage current. Thanks to their distinctive feature (the displaying of the leakage current) it is possible to continuously ...
The X...DB3 series earth leakage relays Type B are designed to measure the DC, AC and high frequency leakage current. Thanks to their distinctive feature (the displaying of the leakage current) it is possible to continuously ...
Tripping current: 0.05 A - 16 A
Trigger voltage: 48 V - 400 V
... recessed 96x96mm Dossena presents the DER3B DUAL range, the new generation of type B differential toroid relays. DER3B DUAL is recommended for electrical protection in the tertiary ...
DOSSENA
Tripping current: 0.05 A - 16 A
Trigger voltage: 48 V - 400 V
... 6 Din modules Dossena presents the DER3B DUAL range, the new generation of type B differential toroid relays. DER3B DUAL is recommended for electrical protection in the tertiary ...
DOSSENA
Tripping current: 0.03 A - 30 A
Trigger voltage: 48 V - 400 V
The residual current relays of the DER3 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 ...
DOSSENA
Trigger voltage: 24, 48, 110, 230 V
• Earth leakage relay type A • External toroidal • Green power LED indicator (ON) • Red relay tripped LED indicator (TRIP) • Front TEST and RESET buttons • Modular DIN housing, 1 module, with transparent ...
Contrel elettronica
Trigger voltage: 24, 48, 110, 240, 415 V
... indicator (TRIP). Fail safe. Earth leakage relay with 2 operation thresholds, flush mount. External CT. Fail safe. Introduction Range ELR Product name ELR-2 Product type Residual current protection ...
Contrel elettronica
Trigger voltage: 24 V - 230 V
... delay time. Residual current protection relay with external CT. 2 operation threshold. Adjustable tripping and delay time. Introduction Range ELR Product name ELR-3A Product type Residual current ...
Contrel elettronica
Trigger voltage: 100 V - 480 V
... set point level Umin, the protector will trip and the red LED will illuminate to indicate the fault condition. During the time delay period the red LED will flash for the set time (t) before the relay ...
Crompton Instruments
... the permanent control of the connection circuit between the differential relay and the toroid. When any anomaly is detected in the connection between the toroid and the relay, the protection ...
Trigger voltage: 100 V - 480 V
KCC101x Series KCC101x - SINGLE PHASE OVERCURRENT GUARD Single Phase Overcurrent Protection with Definite Time Trip Delay Two individually setable overcurrent relays For ...
Trigger voltage: 100 V - 460 V
KCQ331x - SECTOR SYNCHRONISING RELAY Low differential check synchronising, sector principle Bi-directional synchronising Manual and semi-automatic synchroniser Integral voltage differential ...
Tripping current: 8 A
Trigger voltage: 230 V
... Instantaneous (t = 0) at lAn 30mA Selectable set point 30mA...30A (19 ranges) Field-selectable negative or positive security (fail safe) Automatic permanent test Manual or automatic reset (3 restart attempts)
IME Spa
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 ...
... inlet wire auto-input protection, capacitor proteciton, distribution transformer proteciton, motor differential protection, motor comprehensive protection and voltage ...
Hangzhou Huning Elevator Parts Co., Ltd.
... -311L Line Current Differential Relay with integral four zone distance backup for easy-to-apply, high-speed line protection. Apply subcycle current differential protection ...
Schweitzer Engineering Laboratories
The PCS-931 relay provides full-scheme current differential and distance protection solutions for transmission lines with high- speed sub-cycle distance element. As well, the pilot scheme ...
NR Electric
... generator, transformer and capacitor bank; it is the multifunction and comprehensive Motor and Generator protection relay, including Differential element. Thanks to Hardware and Software ...
THYTRONIC
High speed differential protection for various items of power system plant including generators, busbars, motors & the individual windings of power transformers and for restricted earth fault applications. The ...
Mors Smitt BV
Tripping current: 30 mA - 10,000 mA
Trigger voltage: 24 V - 230 V
The Earth Leakage Relay RD is a microprocessor-based electronic protection device designed to recognize low-level leakage or unbalanced currents, due to insulation loss on conductors or equipment to be ...
Orion Italia
-DC Switchgear Protection Relay -Protection, Control, Monitoring, Metering, Data Logging, PLC, Communication -di/dt, delta I, delta VI, 76D, 32, 80 45 Differential ...
ENTEC ELECTRIC & ELECTRONIC CO.,LTD
... and Motor Protection Relay Key Features: Multifunctional yet user-friendly Extensive thermal protection functions optimal for low and medium-sized asynchronous motors Directional earth ...
Vamp
... 4000 Bus Protection Relay Simple bus applications with up to 6 feeders and 2 differential zones with breaker failure, or 4 feeders and 1 transformer, including separate full transformer ...
AQ-T216 is a transformer protection IED with sophisticated and easy to use differential protection function. The AQ-T216 transformer protection IED provides for both ...
Arcteq Relays Ltd
The MDR-2 is a differential current relay intended for protection of a generator against internal short circuits (leaking currents). It is based on a 16-bit digital signal processor providing ...
DEIF
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