Products & Services
See also: Categories | Featured Products | Technical Articles | More Information-
Supplier: Radwell International
Description: RELAY, GROUND FAULT PROTECTION, 8 AMP, 250 VAC. FREE 2 YEAR RADWELL WARRANTY
-
Supplier: Littelfuse, Inc.
Description: The SE-502 Ground-Fault Ground-Continuity Detector provides Class-A GFCI trip level and trip times for personnel protection. As little as 5 mA of ground-fault current can be detected, and the internal neutral-grounding resistor limits the maximum ground-fault
- Power Supply: AC Power Supply, DC Power Supply
- Supply Voltage Range: 120 volts
-
Supplier: Littelfuse, Inc.
Description: The SE-703 is a microprocessor-based ground-fault relay for resistance- and solidly-earthed systems. It offers sensitive ground-fault detection as low as 25 mA and can be used on systems with significant harmonic content. The SE-703 provides feeder-level protection or
- Power Supply: DC Power Supply
-
-
Supplier: Littelfuse, Inc.
Description: The SE-703 is a microprocessor-based ground-fault relay for resistance- and solidly-earthed systems. It offers sensitive ground-fault detection as low as 25 mA and can be used on systems with significant harmonic content. The SE-703 provides feeder-level protection or
- Power Supply: DC Power Supply
-
Supplier: Littelfuse, Inc.
Description: The SE-703 is a microprocessor-based ground-fault relay for resistance- and solidly-earthed systems. It offers sensitive ground-fault detection as low as 25 mA and can be used on systems with significant harmonic content. The SE-703 provides feeder-level protection or
- Power Supply: AC Power Supply, DC Power Supply
- Supply Voltage Range: 120 to 240 volts
-
Supplier: Radwell International
Description: DISCONTINUED BY MANUFACTURER, RELAY GROUND FAULT OVERVOLTAGE, PROTECTION, 120PHASE, 60HZ, 1PHASE. FREE 2 YEAR RADWELL WARRANTY
-
Supplier: Thermon, Inc
Description: The Caloritech™ CPG Ground Fault Protection Control Panel is specifically designed to provide ground fault protection of permanently installed commercial and industrial heating equipment such as infrared radiant heaters, and to protect the heating equipment
- Additional Control Outputs: Switches / Relays
- Display Type: No Display
- Panel Type: Other
- Power Supply: AC Voltage
-
Supplier: Schneider Electric
Description: Sepam Protection Relays Protection Relays for Basic Applications Protection Relays for advanced applications Protection Relays for Demanding Applications Protection Relays for Demanding Applications Vamp Arc Flash
- Mounting: Panel
-
Supplier: CARLO GAVAZZI Automation Components
Description: The DEB71 is an adjustable modular residual current relay which, in conjunction with the MCB and the CT, provides the protection of people against electrocution, or protection of properties against fire, by interrupting the mains on faulty loads or lines. The setpoint of the
- Current Trigger Range: 0.0300 to 30 amps
- Features: Time Delay, Visual Indicator
- Mounting: DIN Rail
- Operating Temperature: -25 to 60 F
-
Supplier: CARLO GAVAZZI Automation Components
Description: The DEA71 is a modular residual current relay which, in conjunction with the MCB and the CT, provides the protection of people against electrocution, or protection of properties against fire, by interrupting the mains on faulty loads or lines. The setpoint of the leakage current
- Current Trigger Range: 0.0300 to 0.3000 amps
- Features: Time Delay, Visual Indicator
- Mounting: DIN Rail
- Operating Temperature: -25 to 60 F
-
Supplier: SOCOMEC
Description: RESYS M40R earth leakage relays associated with a remote trip breaking device (automatic power breaking and reclosing), provide the following functions: - protection against indirect contact, - limitation of leakage currents. - reclosing of trip breaking device after earth leakage
- Current Trigger Range: 0.0300 to 30 amps
- Features: Sealed Relay, Time Delay, Visual Indicator
- Frequency Sensing Range: 15 to 400 Hz
- Mounting: DIN Rail
-
Supplier: SOCOMEC
Description: RESYS M40 earth leakage relays associated with a remote trip breaking device (automatic power breaking), provide the following functions: - protection against indirect contact, - limitation of leakage currents. They also preventively monitor electrical installations via their
- Current Trigger Range: 0.0300 to 30 amps
- Features: Sealed Relay, Time Delay, Visual Indicator
- Frequency Sensing Range: 15 to 400 Hz
- Mounting: DIN Rail
-
Supplier: UL Standards & Engagement
Description: 1.1 These requirements cover ground-fault current sensing devices, relaying equipment, or combinations of ground-fault current sensing devices and relaying equipment or equivalent protection equipment for use in ordinary locations that will operate to cause a
-
Supplier: Quarktwin Technology Ltd.
Description: GROUND-FAULT GROUND-CHECK MON
-
Supplier: SOCOMEC
Description: RESYS P40 earth leakage relays associated with a remote trip breaking device (automatic power breaking), provide the following functions: - protection against indirect contact, - limitation of leakage currents. They also preventively monitor electrical installations via their
- Current Trigger Range: 0.0300 to 30 amps
- Features: Sealed Relay, Time Delay, Visual Indicator
- Frequency Sensing Range: 15 to 400 Hz
- Mounting: DIN Rail
-
Supplier: Quarktwin Technology Ltd.
Description: GROUND FAULT&INSULATION MONITOR
- Operating Temperature: 14 to 140 F
-
Supplier: Quarktwin Technology Ltd.
Description: GROUND FAULT MONITOR
-
Supplier: Quarktwin Technology Ltd.
Description: MOTOR GROUND FAULT & INSUL RELAY
- Operating Temperature: 14 to 140 F
-
Supplier: DigiKey
Description: GROUND-FAULT GROUND-CHECK MON
- Current Sensing Range: 0.5000 to 5 amps
- Supply Voltage Range: 120 volts
-
Supplier: DigiKey
Description: GROUND FAULT MONITOR
- Current Sensing Range: 0.5000 to 5 amps
- Supply Voltage Range: 120 volts
-
Supplier: DigiKey
Description: GROUND FAULT&INSULATION MONITOR
- Operating Temperature: 14 to 140 F
- Supply Voltage Range: 240 volts
-
Supplier: DigiKey
Description: MOTOR GROUND FAULT & INSUL RELAY
- Operating Temperature: 14 to 140 F
- Supply Voltage Range: 120 volts
-
Description: Superseded by IEEE Std C37.101-2006. Guidance in the application of relays and relaying schemes for protection against stator ground faults on high-impedance grounded generators is provided.
-
Description: The guide is intended to assist protection engineers in applying relays and relayingschemes for protection against stator ground faults on various generator grounding schemes. Theexisting guide is outdated due to rapid technology development. Hence, the revised
-
Description: This guide has been prepared to aid in the application of relays and relaying schemes for the protection of synchronous generators for single-phase-to- ground faults in the stator winding. The guide is not intended for the selection of generator or ground
-
Description: Guidance is provided for the calculation of interfering voltages and their appropriate reduction from worst-case values for use in wire-line telecommunication protection design. Information is also included for the determination of the fault current and earth-return current levels;
-
Supplier: Win Source Electronics
Description: Win Source Part Number: 1272443-SE-325 Category: Industrial Automation and Controls>Protection Relays & Systems Series: SE-325 Termination Style: Screw Terminal Features: Manual Reset Package: Bulk Standard Package: 1 Function: Ground Fault Delay Time: 0
-
Supplier: Radwell International
Description: OVERLOAD RELAY, ELECTRONIC OVERLOAD RELAY, 1.0 - 5.0A ADJUSTABLE, SOLID STATE, GROUND FAULT PROTECTION, STAND-ALONE POWER CONNECTION(S), DIN RAIL OR PANEL MOUNT. FOR USE WITH ANY CONTACTOR.. FREE 2 YEAR RADWELL WARRANTY
-
Supplier: WorldWide Electric Corporation
Description: -phase system) Thermal memory (prevents restarting the motor when it is hot) Ground fault protection - trips 60% of motor current Ambient insensitive (prevents nuisance tripping) FLA dial with wide adjustment range - 4:1 ratio One NO and one NC contacts
- Full Load Current Range: 3 to 12 amps
- Motor / Load Phase: Three Phase Protection
- Overload Relay Type: Solid State Overload Relay
-
Supplier: ValueTronics International, Inc.
Description: mA Test on earth leakage relay RCDs (with RCDX10 optional accessory) Line/fault impedance with prospective short circuit current calculation High resolution line/fault impedance (with IMP57 optional accessory) Curve B, C, D, and K MCBs and type gG and aM fuses
- Types of Measurements: Insulation Resistance, Current Leakage Tester, Ground Bond Testers
-
Supplier: Radwell International
Description: E3 PLUS GROUND FAULT SENSOR,20 MM CORE BALANCED,REQUIRED WHEN USING EITHER AN E1 PLUS GROUND FAULT PROTECTION OR GROUND FAULT-JAMMODULE,REQU IRED FOR GROUND FAULT PROTECTION WITH 193-EC3 AND -EC5 OVERLOAD RELAYS,FOR USE
- Rating Standard: IEC Rated
-
Supplier: Chromalox
Description: Heaters Load 30mA Integrated Ground Fault Sensor Adjustable Hold-On-OFF Delay Optional Manual On Override Technician Test/Commissioning Mode for Easy and Fast System Testing year Round Includes 30ft Thermistor RoHS ETL Certification (US and Canada)
- Additional Control Outputs: Switches / Relays
- Agency Approvals: Other
- Current: 30 amps
- Display Type: Digital Display
-
Supplier: ValueTronics International, Inc.
Description: Frequency Contact Check) OSC (Open Short Check) GFI (Ground Fault Interrupt)human protection circuit Fast charge/discharge function Programmable output & test limit Standard RS232 interface Optional GPIB & HANDLER interface Key lock
-
Supplier: Eagle Eye Power Solutions, LLC
Description: -100 Battery Ground Fault Monitor BQMS Battery Monitoring System The BQMS monitors String Voltage, Cell Voltage, & Cell Internal and Connection Resistance. The BQMS also monitors DC Current and Internal Ohmic Values for all battery types to comply with NERC PRC-0005
- Current Test Range: 0.0 to 1000 amps
- Features: Alarm / Relay, Fault Diagnostics, Test Software / Computer Interface
- Form Factor: Test Module / Sub-system
- Operating Temperature: 0.0 to 65 C
Find Suppliers by Category Top
Featured Products Top
-
Altech is pleased to offer a variety of protection relays covering: Phase Monitoring Voltage Monitoring Current Monitoring Frequency Monitoring Current Leakage / Ground Fault Monitoring Protection relays help to maintain (read more)
Browse Protective Relays and Monitoring Relays Datasheets for Altech Corp. -
Finder solutions for the industrial sector are composed of a large number of specific products and accessories, among these, approved equipment for control panel like heaters and fans with filters.
Finder’s components and accessories for control panels facilitate the work of panel builders while ensuring the highest safety levels, demonstrated by the great number of internat...
(read more)
Browse Solid State Relays Datasheets for Finder S.p.A. con unico socio -
What is the HF note? As the NEC now requires Ground Fault protection for a larger scope of applications & higher rated circuits in the recent Code cycles, high frequency during start up (read more)
Browse Ground Fault Circuit Interrupters (GFCI) Datasheets for Tecmark Corporation -
2026 Code Year: NEC 680 Lets dive into the Ground Fault Protection requirements of the Leisure Water industry. Read about what NEC 680 mandates for pools, spas, fountains, and more (read more)
Browse Ground Fault Circuit Interrupters (GFCI) Datasheets for Tecmark Corporation -
Altech Safety Relays are designed for machine and operator protection in a wide range of safety control applications. With force-guided contact design, multiple contact options, and support for common safety functions, they provide dependable performance for (read more)
Browse Safety Relays Datasheets for Altech Corp. -
devices. The arcing that can occur when relays are operating is one source of ignition risk. Industry standards help ensure enhanced protection from ignition risk, including the HAZLOC (hazardous location) standard in the US and (read more)
Browse Electromechanical Relays Datasheets for FCL Components America -
Altech’s Monitoring Relays are designed for dependable electrical system monitoring in industrial environments. The product line includes compact DIN rail-mounted models for voltage, current, and phase monitoring, helping support protection, alarm signaling (read more)
Browse Electromechanical Relays Datasheets for Altech Corp. -
40.52 miniature relay 1 CO 8 A, 5.0 mm pin pitch for printed circuit boards, and plug-in with the 95 Series sockets (read more)
Browse Electromechanical Relays Datasheets for Finder S.p.A. con unico socio -
switching performance even under frequent cycling, high inrush currents, and varying temperatures. FCL relays provide key benefits such as noise suppression, long operational life, and robust isolation—ensuring reliable operation and protection for sensitive control electronics in demanding environments. (read more)
Browse Electromechanical Relays Datasheets for FCL Components America -
Type 40.52 miniature relay 1 CO 8 A, 5.0 mm pin pitch for printed circuit boards, and plug-in with the 95 Series sockets. Features include: Pin length 3.5 mm for PCB mounting Pin length 5.3 mm for plug-in relays DC coil (650 mW or 500 m (read more)
Browse Electromechanical Relays Datasheets for Finder S.p.A. con unico socio
Conduct Research Top
-
Guide to Overload Protection Relays
Electric motors see wide usage in machines with rotating components. Motors are often quite expensive, so it is important to prevent them from failure caused by carrying more electric current than their rated amperage. Electrical overload can sometimes develop from ground faults (short-circuits
More Information Top
Indicates content that may require registration and/or purchase.
-
IEEE Recommended Practice for Protection and Coordination of Industrial and Commercial Power Systems
Ground Fault Protection ( Relay Coil Connected in Residual CT Circuit) T .
-
Evaluation of sympathetic nuisance tripping involving instantaneous ground fault relays and general considerations for ground fault protection of industrial po...
Another option is to move the ground fault protective relay for a feeder from the ground sensor current transformer to the residual neutral of the phase current transformers.
-
High-Resistance Grounded power system equivalent circuit damage at the line-ground fault location (Part 2)
The damage at the fault location is based upon the assumption that the fault remains a line-ground fault untiI it is c1eared by appropriate ground fault protection relays .
-
Ground fault protection for ineffectively earthed power systems
A. ThePrinciple of GroundingFat& Fuzzy Identifeution The output result of the single ground fault protective relay is either fault or no fault.
-
Some ground fault protection schemes implemented on FTU for industrial power systems
The output result of the single ground fault protective relay is either fault or no fault.
-
Application of a hybrid grounding scheme to a paper mill 13.8 kv generator
Fig. 3 Luke Mill Ground Fault Protective Relay One-Line Diagram .
-
Protective relaying for multi-source generator buses
FEEDERGROUNDFAULTPROTECTION Ground fault protective relays applied to the primary distribution feeder circuit breaker are usually of the residually connected (device 50N or 51N) or ground sensor (50GS or 51GS) type.
-
Protection technique based on /spl Delta/-zero sequence voltages for generator stator ground fault
This paper proposes a high sensitivity approach to detect the ground fault in the 100% generator stator winding, which is termed D- ground fault protective relaying .
-
Shore-To-Ship Power Supply System for a Cruise Ship
As shown in Fig. 2, for proper protection and quick identification of the fault location, each feeder circuit used phase and residual neutral ground fault protection relays , devices 50/51 and 50/51N, designated by R2.
-
Application of the continuous wavelet transform to intermittent high impedance ground fault detection in MV networks
Applied nowadays ground fault protection relays based on measurement of zero sequence current 31, and voltage 3U, components of fundamental .