AC protection relays

39 companies | 93 products
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arc flash protection relay
arc flash protection relay
D0920 series

... circuit breakers with a 220/250 Vdc shunt trip coil. The D0920 has one output indication relay with an isolated normally-open contact, and one output indication relay with an isolated normally-closed ...

thermal protection relay
thermal protection relay
TH-N Serie

Motor protection relays that protect your motor against burnout. Can be used for protection against motor burnout during overload or locked rotor. Offers a wide range of functions, including ...

thermal protection relay
thermal protection relay
TI 9C-5 series

Tripping current: 1.8 A - 2.8 A

... series of thermal overload relays are ideal for protection of squirrel-cage motors when used with the contactor range CI4 - CI86. TI 180E and TI 630E electronic motor protection relays ...

thermal protection relay
thermal protection relay

Mitsubishi Electric offers AC and DC controlled Contactor Relays with multiple open and closed contacts configurations that can be used in a variety of applications. They are suitable for alarms and sensors, ...

thermal protection relay
thermal protection relay
TH series

Trigger voltage: 690 V

Motor protection relays that protect your motor against burnout. Can be used for protection against motor burnout during overload or locked rotor. Offers a wide range of functions, including ...

grid and system protection relay
grid and system protection relay
NA003-M64

Trigger voltage: 24, 110 V

Grid protection monitoring relay RE series; Frequency and voltage monitoring; Grid and system protection; Functionally Safe; Measuring voltage 3 x 400/230V AC; Supply ...

earth-leakage protection relay
earth-leakage protection relay
RG1M series

WG series electronic differential protection relay for connection to external WG / WGS / WGC series toroidal transformers These are highly reliable electronic relays with the option ...

earth-leakage protection relay
earth-leakage protection relay
RGE series

Electronic earth leakage protection relay, used to connect to the earth leakage transformers WG / WGC Series These electronic relays offer a high reliability, with the option of a ...

switchgear protection relay
switchgear protection relay
SIA-F

Trigger voltage: 24 V - 230 V

SIA-F SF6 & METAL-CLAD SWITCHGEAR PROTECTION RELAYS Fanox SIA-F is our most competitive and cost-effective solution for overcurrent and earth-fault protection. ...

over-voltage protection relay
over-voltage protection relay
VP series

Trigger voltage: 230, 275 V

... With thermal separation device. Visual indication of a fault in the equipment. Remote signalling of the protection status. Plug-in protection modules which facilitate maintenance CLASS C (Class ...

earth-leakage protection relay
earth-leakage protection relay
X52DL6

COMBI-6 Type A & F MULTI-CHANNEL EARTH LEAKAGE RELAY - up to 6 indipendent inputs type A & F - to be used with TDC series sensors - easy programming by 4 front buttons - space and costs optimization - 6 trips N/O ...

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FRER
earth-leakage protection relay
earth-leakage protection relay
X35DB3

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 ...

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FRER
earth-leakage protection relay
earth-leakage protection relay
X48DB3

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 ...

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FRER
voltage protection relay
voltage protection relay
RX-5

Tripping current: 1 A - 1,000 A
Trigger voltage: 0 V - 600 V

RX Motor Protection Relay Take your motor protection to a new level. The RX Series provides more than just solid state overload or power protection relays. ...

current protection relay
current 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 with associated toroidal sensor input, ...

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Contrel elettronica
current protection relay
current protection relay
ELR-52AS

Tripping current: 0.03 A - 5 A

ELR-52AS Residual-current protection relay with 2 channels. Latch relays. Events log. RS485 Modbus. Earth differential relay with 2 associated toroidal sensor inputs, ...

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Contrel elettronica
earth-leakage protection relay
earth-leakage protection relay
ELR-1E

Trigger voltage: 12 V - 415 V

... Adjustable tripping and delay time. Earth leakage relay with 1 operation threshold, flush mount. External CT. Introduction Range ELR Product name ELR-1E Product type Residual current protection ...

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Contrel elettronica
overload relay
overload relay
JRS4-d Series

Tripping current: 65 A
Trigger voltage: 220 V

overload relay
overload relay
JRS4-F Series

Tripping current: 140 A - 160 A
Trigger voltage: 220 V

differential protection relay
differential protection relay
DER3/0D

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

The earth differential relays range DER3, can be used on LV networks in alternate current, type TT and TN. They guarantee an adequate selectivity of differential protection thanks to : wide adjustment ...

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DOSSENA
differential protection relay
differential protection relay
DER3/0E

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

The earth differential relays range DER3, can be used on LV networks in alternate current, type TT and TN. They guarantee an adequate selectivity of differential protection thanks to : wide adjustment ...

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DOSSENA
differential protection relay
differential protection relay
DER3/0I

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

The earth differential relays range DER3, can be used on LV networks in alternate current, type TT and TN. They guarantee an adequate selectivity of differential protection thanks to : wide adjustment ...

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DOSSENA
temperature protection relay
temperature protection relay
RZ1PK116

Trigger voltage: 115 V - 240 V

phase protection relay
phase protection relay
FK-01

Trigger voltage: 380 V

Phase Failure Relay Features The phase protection relays are designed to protect the three-phase loads from damage caused by mains voltage. - Asymmetry : ~30%

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Tense Electronic
phase protection relay
phase protection relay
FK-02

Trigger voltage: 380 V

Phase Failure Relay Features The phase protection relays are designed to protect the three-phase loads from damage caused by mains voltage. - Asymmetry : ~40%

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Tense Electronic
phase protection relay
phase protection relay
FK-04

Trigger voltage: 380 V

Phase Failure Relay Features The phase protection relays are designed to protect the three-phase loads from damage caused by mains voltage. - Asymmetry : ~30% - Phase Sequence Control

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Tense Electronic
voltage protection relay
voltage protection relay
EPPC02

Tripping current: 10 A
Trigger voltage: 250 V

Single and three phase protection Phase failure (loss phase) protection Phase sequence protection Adjustable voltage protection Over voltage and/or low voltage protection Contact ...

overload relay
overload relay
DRPT series

Trigger voltage: 24 V

The DRPT is a thermal protection relay for motors equipped with thermistor PTC sensors immersed in the winding heads. The maximum number of thermistors to be used is limited by the resistance of all the ...

power protection relay
power protection relay
DMP300 Series

... analog and digital filtering design and high-accuracy AC sampling technology meet with the requirement of both measurement accuracy and the large dynamic range of protection action. The protection ...

over-current protection relay
over-current protection relay
XMR-A

... fault recording • 64 sample for cycle measurement for accuracy of protection element COMMUNICATION SECURITY Communication Security through redundancy protocol and Cyber Security ...

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THYTRONIC
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
over-current protection relay
over-current protection relay
NA21

The relay type NA21 is typically used in HV, MV and LV radial networks as feeder or power transformer protection. In solidly grounded systems the residual overcurrent protection ...

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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 and bluetooth ...

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Orion Italia
over-voltage protection relay
over-voltage protection relay
VPR-A

Tripping current: 0 A - 0 A
Trigger voltage: 0 kV

The Voltage Protection Relay (VPR-A) has been designed to measure the line or phase RMS voltages under normal conditions or under disturbances. This information is internally processed by the microprocessor, ...

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Orion Italia
frequency protection relay
frequency protection relay
VFR-100X

... commercial power networks in case of voltage disturbances. Applications - Commercial, industrial and public utility Protection and Functionality - Under & Over Voltage - Frequency - dF/dT (up to 2 stages) - ...

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Orion Italia
earth-leakage protection relay
earth-leakage protection relay

Tripping current: 30 mA - 30,000 mA
Trigger voltage: 220 V

... leakage current protection relayis used together with LV circuit breaker, tripping coil and toroidal transformer in combination with leakage current protection. The connections that must be made when ...

over-voltage protection relay
over-voltage protection relay
VIPAM3500C

... VIPAM3500C is a digital integrated protection relay that enables high-precision measurement and protection relay for switchgear power equipment. The switchgear panel ...

current protection relay
current protection relay
DGP

... of protection, monitoring, control and recording functions for AC generators. It can be used on generators driven by steam, gas and hydraulic turbine. Any size of generator can be protected with the ...

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GE Grid Solutions
thermal protection relay
thermal protection relay
C306 Freedom series

Tripping current: 1 A - 10 A

... Freedom Series includes bi-metallic overload motor relays. These adjustable relays have been designed with CN or CE reversing and non-reversing contactors. They are available in 4 sizes for overload protection ...

voltage protection relay
voltage protection relay
55ES-G

Tripping current: 5 A
Trigger voltage: 230 V

... Contact Rating - 5A @ 250V AC or 24V DC Supply Voltage - 230V AC & 24V AC / DC Size - 48 x 48mm Mounting Type - Plug / Panel Mount

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SELEC Controls Pvt. Ltd.