Three-phase protection relays

43 companies | 136 products
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thermal protection relay / phase loss / adjustable / for electric motors
thermal protection relay
ZEB, Z series

... Features: - Protection with phase loss and overload - Auxiliary contacts switch off the motor protection and signal the fault - Suitable for protection of EEx e-motors - ...

overload relay / temperature / 1 NC / three-phase
overload relay
EMT6 series

The EMT6 thermistor overload relay protects machines against overtemperatures during severe starting duty, braking duty, undervoltage and overvoltage and high switching frequency. When using these relays, ...

thermal protection relay / for electric motors / panel-mount / three-phase
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 ...

phase protection relay / three-phase / single-phase / digital
phase protection relay
RER620 IEC/ANSI

... networks. It can be used to control both grounded and ungrounded distribution systems. This model integrates three- and single-phase, multi-shot auto-reclose mechanisms to automatically restore the ...

overload relay / phase sequence / phase unbalance / temperature
overload relay
G/BG EEx

Trigger voltage: 230, 115, 24 V

Motor safety in volatile or harmful spaces is guaranteed by 3 dimensional ATEX 94/9/EC used for 3-stage motors offering up to 1000 Vac Currents between 1,5 and 630 A with greater thermal memory optical ...

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FANOX ELECTRONIC
phase loss protection relay / phase unbalance / overload / for generators
phase loss protection relay
GEN 10

Tripping current: 4 A - 10.3 A
Trigger voltage: 24 V

Fanox presents GEN generator protection relay. It has been designed for protection of low voltage generators up to 1000 Vac and up to 2000 A or higher currents. It is equipped with thermal ...

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FANOX ELECTRONIC
phase sequence protection relay / phase loss / phase unbalance / overload
phase sequence protection relay
GL 200

Tripping current: 60 A - 200 A
Trigger voltage: 24, 115, 230 V

FANOX integral motor protection relays - gl relay is suitable for 3-phase motors between 60 to 200 A and above. Cable feed is through relay. Its thermal ...

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FANOX ELECTRONIC
phase sequence protection relay / phase loss / phase unbalance / over-voltage
phase sequence protection relay
900VPR-2

Trigger voltage: 280 V - 520 V

3Ø-Digital Voltage Protection Relay, Self Powered [900VPR-2-280/520V] Measuring Parameter Under Voltage, Over Voltage, Under Frequency, Over Frequency, Phase Asymmetry, Phase ...

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SELEC Controls Pvt. Ltd.
phase sequence protection relay / phase unbalance / over-voltage / under-voltage
phase sequence protection relay
VPRA2M

Trigger voltage: 127 V - 288 V

1Ø & 3Ø-Analog Voltage Protection Relay [VPRA2M] Measuring Parameter Under Voltage, Over Voltage, Phase Asymmetry, Phase Failure, Phase Sequence Electrical ...

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SELEC Controls Pvt. Ltd.
phase sequence protection relay / phase loss / over-voltage / under-voltage
phase sequence protection relay
900VPR-BL-U-CE

Trigger voltage: 250 V

3Ø-Digital Voltage Protection Relay, Auxillary Supply [900VPR-BL-U-CE] Measuring Parameter Under Voltage, Over Voltage, Under Frequency, Over Frequency, Phase Asymmetry, Phase ...

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SELEC Controls Pvt. Ltd.
over-current protection relay / over-voltage / under-voltage / over-frequency
over-current protection relay
T-PRO 4000

... station bus embedded T-PRO relay provides complete 3-phase multi-winding transformer fault and overload protection, DFR-quality fault oscillography, sequence of event logging, trend recording, ...

overload relay / DIN rail / three-phase / automatic reset
overload relay
TRM-400

Tripping current: 290 A - 400 A

Digital Overload Relays are designed to protect the devices having precise operating current values against the errors likely to arise from excessive current. Descriptions: There are High (Overload Relay ...

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Tense
overload relay / DIN rail / three-phase / automatic reset
overload relay
TRM-10

Tripping current: 0.1 A - 10 A

Digital Overload Relays are designed to protect the devices having precise operating current values against the errors likely to arise from excessive current. Descriptions: There are High (Overload Relay ...

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Tense
overload relay / DIN rail / three-phase / automatic reset
overload relay
TRM-300

Tripping current: 190 A - 300 A

Digital Overload Relays are designed to protect the devices having precise operating current values against the errors likely to arise from excessive current. Descriptions: There are High (Overload Relay ...

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Tense
insulation protection relay / DIN rail / three-phase / AC/DC
insulation protection relay
SRI3/EXT2

... advanced, result of this targeted research. With the use of SRI3/EXT2 is possible monitoring voltage levels, up to 1700 Vac (three-phase with neutral) or 1000 Vdc, in only 3 Din modules.

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

... 81). - Phase reversal (ANSI 47). - Five (5) output relay programmable. - Loss of control volts relay. Digital Measurement: - RMS line or phase voltages. - Line ...

phase sequence protection relay / phase unbalance / over-current / under-current
phase sequence protection relay
DMP series

Multi-Protection : against overcurrent, undercurrent, Stall, Lock, phase unbalance, phase reversed Asymmetry, Ground fault, Short circuit Real time processing and high precision by using ...

phase unbalance protection relay / phase loss / three-phase / adjustable
phase unbalance protection relay
RM2S

Relay to check voltage asymmetry, sequence and lack of phases 2 Module Three phase line 380...415V 50 and 60Hz Voltage asymmetry threshold adjustable 5...25% Adjustable ...

thermal protection relay / three-phase / automatic reset / manual reset
thermal protection relay
0.3 - 800 A | 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

over-current protection relay / thermal / programmable / digital
over-current protection relay
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
thermal protection relay / for electric motors / panel-mount / three-phase
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 / panel-mount / three-phase / AC
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 ...

current protection relay / phase / digital / three-phase
current protection relay
MGC 1000

... MGC1000 are microprocessor based, digital type, generator protection relays which provide great thermal protection for three phase generators, ...

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GE Grid Solutions
thermal protection relay / contactor mount / automatic reset / manual reset
thermal protection relay
Txx series

Tripping current: 40 A - 200 A

Thermal overload relays are economic electromechanical protection devices for the main circuit. They offer reliable protection for motors in the event of overload or phase ...

thermal protection relay / IEC / for electric motors / contactor mount
thermal protection relay
XT

Tripping current: 0 A - 400 A

Taking IEC Power Control to the next level is Eaton’s XT IEC series. It is designed to maximize space and features a power-efficient capability by reducing heat generation and lowering cooling requirements. It comes with a metallic/non-metallic ...

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Eaton Count Control Products
overload relay / 1 NC / 1 NO / for electric motors
overload relay
193-T1 series

Tripping current: 10 A

The 193-T1 Thermal Overload Relays are designed compatible for use with the Bulletin 100-C Contactors and Bulletin 104-C Reversing Contractors. It provides phase-loss protection with ...

thermal protection relay / contactor mount / automatic reset / manual reset
thermal protection relay
CWM series

Tripping current: 9 A - 105 A

WEG makes three-pole contactors that works with an easy installation system and are made with enclosed bodies based on VDE 0106 standards. These are UL-approved and made with bodies that can link to one or two conductors.

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WEG
over-current protection relay / under-current / three-phase / adjustable
over-current protection relay
PAP series

Trigger voltage: 24, 240 V

... level Imin, the protector will trip and the red LED will illuminate indicating the fault condition. During the time delay period the red LED will flash for the set time (t) before the relay de-energises output ...

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Crompton Instruments
thermal protection relay / automatic reset / three-phase / contactor mount
thermal protection relay
RF9, RFA9, RFN9, RFNA9 series

Tripping current: 0.09 A - 7.5 A

... BG SERIES MINI-CONTACTORS Type RF9, phase failure sensitive, manual resetting Type RFA9, phase failure sensitive, automatic resetting Type RFN9, non-phase failure sensitive, manual ...

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LOVATO ELECTRIC
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 ...

over-current protection relay / programmable / three-phase / configurable
over-current protection relay
SEL-351S

Protection System The SEL-351S Protection System offers comprehensive feeder and overcurrent protection perfect for industrial and utility feeder applications. Enhance ...

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Schweitzer Engineering Laboratories
phase loss protection relay / phase unbalance / phase sequence / DIN rail
phase loss protection relay
DMPU series

Carlo Gavazzi offers a range of modular electronic relays to protect, control and monitor the motor. They are very effective for motors which are located in very sensitive positions, in the applications making any failure ...