Single-phase protection relays

24 companies | 59 products
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over-voltage protection relay
over-voltage protection relay
111-Insider-P series

Trigger voltage: 133 V

... its output relay and directly disconnects the pump motor. The relay then begins its user-selectable restart delay (dry-well recovery) timer. When the timer counts to zero or power is ...

differential protection relay
differential protection relay
SIPROTEC 7SD series

... differential and directional back-up protection for all voltage levels and types of networks. The relay features high speed and phase-selective short circuit measurement. The unit is ...

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Siemens Energy automation and smart grid
current protection relay
current protection relay
3CR series

Tripping current: 15 A

... 3CR series current type motor starting relay is designed for single-phase AC applications with motor start winding currents up to 15 Amps. It is applicable on both split phase ...

current protection relay
current protection relay
4CR series

Tripping current: 25 A

KLIXON® 4CR current type motor starting relay is a compact, high capacity relay, designed for universal application to split phase and capacitor start, single-phase ...

thermal protection relay
thermal protection relay
T119

T-119 protective relay for monitoring the windings of your electrical transformer Temperature relay with T-119 The T119 is a unit developed to monitor the temperature of MV cast ...

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 ...

overload relay
overload relay
PS11-R, PS16R

Trigger voltage: 230, 115 V

The PS-R single-phase devices in this series are underloaded by undercurrent, and operated without any requirements in terms of level sensors for dry running. The single-phase ...

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 voltage 24V DC, ...

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 ...

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

... Tripped relay. Power LED flashing and leakage LED ON. Detection of a transformer continuity fault Applications The RG1M relays combined with the WG / WGC transformer provides complete differential ...

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

... Permanently: 100 % Applications The relays of the RGE series and the transformer of the WG / WGC series enable a full earth leakage protection for both single and three-phase ...

differential protection relay
differential protection relay
DER3BDUAL/2I

Tripping current: 0.05 A - 16 A
Trigger voltage: 48 V - 400 V

... 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 sector, where devices ...

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DOSSENA
differential protection relay
differential protection relay
DER3BDUAL/6D

Tripping current: 0.05 A - 16 A
Trigger voltage: 48 V - 400 V

... 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 sector, where devices ...

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DOSSENA
earth-leakage protection relay
earth-leakage protection relay
DER3/0D

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 ...

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DOSSENA
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
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 ...

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IME Spa
over-current protection relay
over-current protection relay
MS2C74

Overcurrent protection for various items of power system plant as frame earth leakage protection of metal clad switchgear & tank earth fault protection The MS2C74 ...

over-current protection relay
over-current protection relay
MS2C139

... Vibration monitors only operate after bearing damage has occurred. By applying the shaft overcurrent protection relay type MS2C139 together with a special current transformer, the machine ...

temperature protection relay
temperature protection relay
RZ1PK116

Trigger voltage: 115 V - 240 V

over-excitation protection relay
over-excitation protection relay
RMQ 121D

The RMQ-121D is an overexcitation relay that is used to protect the generator against overexcitation. This function hinders the generator from producing extremely high currents in situations where massive inductive loads ...

phase sequence protection relay
phase sequence protection relay
VPRD2M

Tripping current: 5 A
Trigger voltage: 127 V - 288 V

3 phase and single phase RMS voltage protection relay Monitors: Over / Under Voltage, Phase asymmetry, Phase ...

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SELEC Controls Pvt. Ltd.
over-current protection relay
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 ...

over-voltage protection relay
over-voltage protection relay
PAO series

Trigger voltage: 24, 240 V

... level Imax, 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 energises ...

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Crompton Instruments
single-phase protection relay
single-phase protection relay

Tripping current: 63 A
Trigger voltage: 275, 175 V

... under voltage protective device considered modular design. The circuit board adopted good quality Latching relays and others components with reliable performance. When the power supply is unstable (voltage ...

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Yueqing RunEasy Electronic Technology Co.,Ltd.
overload relay
overload relay
T series

Tripping current: 3 A - 50 A

3/4 inch Motor Protector for single phase motors like hermetic compressors or water pumps from 1/20HP to about 1HP. Various configurations available. Available for automatic or manual reset.

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Electrica s.r.l.
overload relay
overload relay
T— Protector

Tripping current: 0.6 A - 25 A
Trigger voltage: 115 V

T motor protector is designed to protect single phase induction motors against overload and locked rotor conditions up to 65AI • AUTOMATIC RESET: Main application is protection ...

phase loss protection relay
phase loss protection relay
TPM5

Tripping current: 5 A

Protection relay against overload, underload, and phase loss. With display. Codes and references - 10002217 TPM5-230 - 10002218 TPM5-400 - 10002451 TPM5/5-230 - 10002452 TPM5/5-400 Specifications - ...

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Toscano Linea Electronica
over-voltage protection relay
over-voltage protection relay
KPFV51x series

Trigger voltage: 100 V - 480 V

KPFV51x - SINGLE PHASE - FREQUENCY AND VOLTAGE GUARD Under and Over Voltage and Frequency Protection Adjustable Voltage and Frequency Deviation Set points "Pathfinder" function Optional ...

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Meagacon AS
overload relay
overload relay
MBS series

... This offers uxiliary, alarm connections and a specific version for single phase motors. The breaker provides motor protection when used with contactors.

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 ...

phase protection relay
phase protection relay
S91

Tripping current: 0 A - 16 A
Trigger voltage: 220 V - 415 V

... modes: single-phase or three-phase measurement, maximum current range 5 or 16 A, operation with or without PTC. Available model for 230V power supply (S91), and model for 380V power supply ...

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