RS485 protection relays

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voltage protection relay
voltage protection relay
MEprotect

Entry-level, yet powerful protection for motors and other electrical assets, finding application in power control centres and switchgear, motor control centres, etc. Complete and reliable protection ...

level protection relay
level protection relay
MEprotect

Entry-level, yet powerful protection for motors and other electrical assets, finding application in power control centres and switchgear, motor control centres, etc. Complete and reliable protection ...

over-current protection relay
over-current protection relay
Reyrolle 7SR51

... Standard functionality •37/ 37G undercurrent protection •46 Negative sequence overcurrent protection •46BC Broken conductor detection •49 Thermal overload protection •50/ ...

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Siemens Energy automation and smart grid
feeder protection relay
feeder protection relay
SIR-A

Tripping current: 1 A - 5 A
Trigger voltage: 24 V - 230 V

SIR-A Overhead Control / RTU & Feeder Protection The Fanox SIR-A is the Relay that offers the complete solution for Recloser Control and Feeder Protection with current, voltage, ...

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FANOX ELECTRONIC
phase sequence protection relay
phase sequence protection relay
SIU-C

Trigger voltage: 24 V - 230 V

... SIU-C represents the best and most precise protection solution for transformers and electrical machines in high, medium, and low-voltage distribution systems. The SIU-C is a voltage and frequency protection ...

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FANOX ELECTRONIC
phase unbalance protection relay
phase unbalance protection relay
SIL-C

Trigger voltage: 24 V - 230 V

SIL-C FEEDER & GENERATOR PROTECTION RELAY High Accuracy and Reliability in a compact device The SIL-C Relay protects Feeders and Equipment and includes comprehensive current, voltage, ...

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FANOX ELECTRONIC
earth-leakage protection relay
earth-leakage protection relay
X35DB3

... current values - Internal clock and storage of the last 10 events - RS485 Modbus RTU, measurements, event archive, scope - Selectable antifibrillation filter with re protection 300mA - ...

earth-leakage protection relay
earth-leakage protection relay
X48DB3

... current values - Internal clock and storage of the last 10 events - RS485 Modbus RTU, measurements, event archive, scope - Selectable antifibrillation filter with re protection 300mA - ...

earth-leakage protection relay
earth-leakage protection relay
X72DB3

... current values - Internal clock and storage of the last 10 events - RS485 Modbus RTU, measurements, event archive, scope - Selectable antifibrillation filter with re protection 300mA - ...

grid and system protection relay
grid and system protection relay
NA003.COM-64

Trigger voltage: 24 V - 110 V

... system protection monitoring relay RE series; Frequency and voltage monitoring; Functional safety; Measuring voltage 3 x 400/230V AC; Supply voltage 24V DC, 110-240V AC; 3 CO contacts; Width 107 mm; Installation ...

arc flash protection relay
arc flash protection relay
AFR-3S

AFR-3S Arc flash relays are mainly used to detect arc faults in electrical systems and protect equipment and personnel in electrical systems from arc faults. The arc flash protection relay ...

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Chongqing Blue Jay Technology Co. Ltd
insulation protection relay
insulation protection relay
DCG-UBC1

Tripping current: 30 mA
Trigger voltage: 400 V

... , manual reset, communication reset communication method:RS485 Protocol,Standard MODBUS protocol Internal ground impedance:1024k (ohm) Relay output form:Normally open + normally closed Relay ...

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Chongqing Blue Jay Technology Co. Ltd
insulation protection relay
insulation protection relay
DCG-UBCH2

Tripping current: 30 mA
Trigger voltage: 250 V

... measuring conditions 1 kΩ~ 10 mΩresistancerange, at the same time also can detect the dc voltage value, the user can through the RS485communication to realize the measured value.

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Chongqing Blue Jay Technology Co. Ltd
earth-leakage protection relay
earth-leakage protection relay
DER4B/2D

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

... temperature control and correct functioning of the electronic circuitry - option: RS485 Modbus Standard RTU serial output (only version with code 9DER4B/2DRS485 and code 9DER4B/2DCCRS485)

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DOSSENA
current protection relay
current protection relay
DER4B/2I

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

... overtemperature control and correct functioning of the electronic circuitry - option: RS485 Modbus Standard RTU serial output (only version with code 9DER4B/2IRS485 and code 9DER4B/2ICCRS485)

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DOSSENA
earth-leakage protection relay
earth-leakage protection relay
DER3/2D

Tripping current: 0.03 mA - 30,000 mA
Trigger voltage: 48 V - 400 V

... - self-diagnosis with description of the problem on the display - option: RS485 Modbus Standard RTU serial output (only version with code 9DER3/2DRS485 and code 9DER3/2DCCRS485)

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DOSSENA
earth-leakage protection relay
earth-leakage protection relay
ELR-3AN

Tripping current: 0.03 A - 30 A

... TRIP) each with 1 changeover contact. RS-485 communication with Modbus RTU protocol available. Log tripped residual current Range - ELR Product name - ELR-3AN Product type - Residual current protection ...

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Contrel elettronica
earth-leakage protection relay
earth-leakage protection relay
ELR-4C

Multipoint earth leakage relay 4 inputs with associated toroid sensors measure the leakage current in an electrical installation to detect levels that may be damaging. Ideal for protection or alarming, ...

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Contrel elettronica
earth-leakage protection relay
earth-leakage protection relay
ELR-51AS

Tripping current: 0.03 A - 5 A

ELR-51AS Residual-current protection relay. Latch relays. Events log. RS485 Modbus. TRIP memory feature. Earth differential relay ...

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Contrel elettronica
earth-leakage protection relay
earth-leakage protection relay
ELR Series

Tripping current: 30 mA - 30,000 mA

... with our relays used together with RCR and ELR series self-toroid or external toroid (Toroidal Residual Current Transformers, Collector and Multiplexer Toroidal Current Transformers). Our Aktif RCR and ELR series residual ...

level protection relay
level protection relay
FPC 400

Tripping current: 5,000, 1 mA

FPC 400 is a family of current or 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 ...

current protection relay
current protection relay
GEMStart 5®

Trigger voltage: 24 V

GemStart5® is a motor protection relay perfectly dedicated to protect, control and monitor electrical motors and their applications. Discover more about its functionalities. Operation: - The most ...

motor protection relay
motor protection relay
PAS2960D

PAS2960D series digital motor protection, measurement and control device is applicable to the protection of large- and medium-sized asynchronous motors of 10kV and lower voltage level controlled by various ...

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Hangzhou Huning Elevator Parts Co., Ltd.
voltage protection relay
voltage protection relay
AM series

... Feeder protection; Transformer protection; Motor protection; Capacitor protection; Voltage protection; Bus tie protection. Measurement RMS ...

under-voltage protection relay
under-voltage protection relay
D-PRO

Multifunction protection relay used to provide additional generator protections in more demanding applications, such as medium or high voltage plants, or oil & gas installations. D-PRO ...

over-current protection relay
over-current protection relay
NA011

... , the residual overcurrent protection can use the measured (CTs or balanced transformer) or the calculated residual current. STANDARD PROTECTIVE & CONTROL ELEMENTS • Phase overcurrent ...

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THYTRONIC
motor protection relay
motor protection relay
MPR-100

Motor Protection Relay The device has been designed for continuous monitoring of electrical parameters in low voltage systems. It allows direct, close-distance or remote monitoring via RS-485 ...

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Orion Italia
level protection relay
level protection relay
MC Line

DIGITAL RELAYS FOR PROTECTION, MONITORING AND CONTROL The MC line has been designed to offer to the market a very competitive protective relay responding to the latest ...

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Microelettrica
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