AC protection relays

26 companies | 32 products
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thermal protection relay / AC / DC / contactor mount
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 / AC / three-phase / for electric motors
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 / AC / three-phase / panel-mount
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 ...

thermal protection relay / AC / three-phase / for electric motors
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 ...

current protection relay / earth-leakage / DC / AC
current 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 ...

current protection relay / earth-leakage / DC / AC
current 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 ...

current protection relay / earth-leakage / DC / AC
current protection relay
X72DB3

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 ...

voltage protection relay / earth-leakage / overload / current
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. ...

over-voltage protection relay / AC / transmission line / DIN rail
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 ...

over-current protection relay / under-current / 1 NO / AC
over-current protection relay
900CPR-1

Trigger voltage: 250 V

1Ø -Digital Current Protection Relay [900CPR-1-230V] Measuring Parameter Under Current, Over Current Protection for 1Ø System Electrical Connection 1Ø-2W Display 3 Digit Liquid Crystal ...

over-current protection relay / under-current / 1 NO / AC
over-current protection relay
900CPR-3

Trigger voltage: 230 V

... Time Setting Accuracy: ±5% of setting ± 200ms Output Contact 1 C / O (SPDT) Output Rating NO: 5A, 250V AC NC: 3A, 250V AC Operating Voltage 230V AC ±15% Size 35 mm Mounting Type DIN Rail Mount

overload relay / AC / three-phase / electronic
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 ...

earth-leakage protection relay / current / AC / AC/DC
earth-leakage protection relay
ELR-3B

Trigger voltage: 250, 230 V

... application Type B relays are widely used where they can generate, in case of failure, continuous discharge currents; Common application fields are: - frequency converters - medical devices such as radiography and ...

over-voltage protection relay / under-voltage / phase sequence / phase loss
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, ...

thermal protection relay / AC / three-phase / panel-mount
thermal protection relay
EOL Series

Tripping current: 0.1 A - 150 A

... Wide adjustable current range (5:1) ‧ Phase failure, over current, inrush current, phase unbalance protection ‧ Quick response protection within 3 seconds ‧Adjustable trip class 5/10/20/30 ‧4-in-1 ...

thermal protection relay / AC / three-phase / automatic reset
thermal protection relay
TOR-C, RTD, RTE

Setting range from 0,3 up to 800 A Direct mounting on contactor or separated with special kit Automatic reset and /or manual

current protection relay / excitation loss / over-voltage / under-voltage
current protection relay
DGP

... system of DGP is a perfect choice for providing safety, security, monitoring, recording, and controlling various functions of AC generators. This digital system can be deployed over generators that are run by gas, steam, ...

thermal protection relay / AC / three-phase / automatic reset
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 ...

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 ...

under-frequency protection relay / over-frequency / AC / single-phase
under-frequency protection relay
20-050-2X

Tripping current: 5 A
Trigger voltage: 120 V

The 20-050-19PX is a sensor and protective relay that is ideally used in an AC actuating system. It has an input voltage of 120 VAC and an over or underfrequency protection function.

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TE Relays, Contactors & Switches
current protection relay / under-excitation / AC / programmable
current protection relay
SEL-300G

... with IEEE turbine protection standards, SEL has applied its expertise in the production of microprocessor-based relays to create the SEL-300G, a generator relay that includes several ...

current protection relay / AC / DC / single-phase
current protection relay
RM2I

Current relay 2 Module Min or max alarm, selectable on field Input 5A or 1A Adjustable set point, hysteresis and delay Field selectable negative or positive security (fail safe) Intervention inhibition ...

thermal protection relay / AC / three-phase / panel-mount
thermal protection relay

Tripping current: 5 A - 30 A

... Great accuracy Full reliability Phase unbalance protection Direct mount to IEC contactors Panel mount adapter for NEMA contactors Interchangeable with thermal overload relay ...

phase protection relay / AC / high-sensitivity / panel-mount
phase protection relay
MS2V73

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 MS2V73 ...

earth-leakage protection relay / AC / DIN rail
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 ...

temperature protection relay / AC / single-phase / DIN rail
temperature protection relay
RZ1PK116

Trigger voltage: 115 V - 240 V

over-voltage protection relay / phase sequence / phase loss / SPDT
over-voltage protection relay
LXPRT

... Adjustment for Time delay (from an Under voltage condition) □ 1 x SPOT relay output 8A □ Green LED indication for supply status □ Red LED indication for relay status

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Broyce Control
phase protection relay / current / AC / differential
phase protection relay
KCC101x series

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 ...