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Supplier: Littelfuse, Inc.
Description: The PGR-2601 is a microprocessor-based ground-fault relay for ungrounded dc systems. It provides sensitive ground-fault protection without the problems associated with nuisance tripping. Ground-fault current is sensed using a PGG Family Ground-Reference Module—a resistor network that limits
- Device Type: Ground Fault Relay
Supplier: GE Digital Energy
Description: The MIN II, a member of the M II family of protection relays, is a microprocessor based relay that provides ground directional protection on distributed networks at any voltage level and backup/auxiliary ground directional protection for transformers, generators and motors. Additionally, it can
- Device Type: Ground Fault Relay
- Configuration: Single Device
- Mounting / Packaging: Panel Mount
Supplier: Eaton Corporation - Sensors
Description: The CurrentWatch EGF Series from Eaton’s electrical business is a family of ground fault (earth leakage) sensors. Ground fault sensors help protect people, products and processes from damage by ground fault conditions by monitoring all current-carrying conductors in grounded single
- Types of Measurements: Grounding Systems Resistance
- Display: LED Indicator
- Interfaces: RS232
- Safety Agency Rating: CE Conformity Marks, UL Listing Mark
Supplier: Pepperl+Fuchs International
Description: 16-channel isolated barrier, 24 V DC supply (Power Rail), Analog or digtial field device inputs, Monitors leakage current, Fault relay contact output, LED status indication, Test circuit for validation, Parallel connection for easy integration, Conformal coating, Rated voltage: 20 ... 30 V DC
- Application: Switches
Ground Fault Circuit Interrupters (GFCI) - GROUND FAULT SENSOR, SPDT DE-ENERGIZED AUTO RESET, 5/10/30 mA TRIP, 24VAC/DC -- GFS30-D1C-24-FSupplier: Automationdirect.com
Description: AcuAMP ground fault sensor, fixed core, jumper-selectable 5, 10, or 30 mA setpoint, SPDT normally de-energized relay output, automatic reset, 24 VAC/DC powered, UL 1053 recognized
- Device Type: Ground Fault Circuit Interrupters (GFCI)
Supplier: Littelfuse, Inc.
Description: The EL731 AC/DC Sensitive Earth-Leakage Relay is a revolutionary new product that finally solves common ground-fault problems associated with variable frequency drives and is equally applicable to AC, DC and mixed AC/DC systems. It detects a wide range of earth-leakage currents and can reliably
- Over-current Protection: Yes
Supplier: GE Digital Energy
Description: Emergency throwover control equipment Ground fault on ungrounded systems Protection and Control Instantaneous DC undervoltage Time delay DC undervoltage available
- Undervoltage: Yes
- Ground (Earth) Fault: Yes
Supplier: Euchner-U.S.A., Inc.
Description: of safety groups can switch up to 8 amps Status LED's with inputs and outputs As required by NFPA machine safety standard as required by EN954,EN60204-1 Variations of non-contact CMS read heads are available for use with safety relays TECHNICAL Variety of voltages available 24 VAC/DC 115 V
- Mounting: DIN Rail
- Power Supply: AC Power Supply, DC Power Supply
- Safety Ratings and Approvals: Category / Type 4
- Visual Indicator: Yes
Find Suppliers by Category Top
Parts by Number for Ground Fault Relay DC Top
|Part #||Distributor||Manufacturer||Product Category||Description|
|3120101G29||PLC Radwell||General Electric||Transmission Distribut. Relays, Ground Fault Relay||RELAY 48 V DC TYPE MC-13|
|GFS30-E1C-24-F||Automationdirect.com||Not Provided||Sensors -z- Encoders / Ground Fault Sensors||AcuAMP ground fault sensor, fixed core, jumper-selectable 5, 10, or 30 mA setpoint, SPDT normally energized relay output, automatic reset, 24 VAC/DC powered, UL 1053 recognized|
|GFS30-M1A-24-F||Automationdirect.com||Not Provided||Sensors -z- Encoders / Ground Fault Sensors||AcuAMP ground fault sensor, fixed core, jumper-selectable 5, 10, or 30 mA setpoint, SPST-N.O. relay output, manual reset, 24 VAC/DC powered, UL 1053 recognized|
|GFS30-D1C-24-F||Automationdirect.com||Not Provided||Sensors -z- Encoders / Ground Fault Sensors||AcuAMP ground fault sensor, fixed core, jumper-selectable 5, 10, or 30 mA setpoint, SPDT normally de-energized relay output, automatic reset, 24 VAC/DC powered, UL 1053 recognized|
|PGR-2601-0T||Digi-Key||Littelfuse Inc||Industrial Controls, Meters||DC GROUND FAULT RELAY 32-70 VDC|
|PGR-2601-0D||Digi-Key||Littelfuse Inc||Industrial Controls, Meters||DC GROUND FAULT RELAY 9-36 VDC|
Conduct Research Top
Ground Fault Protection (.pdf)
in power handling capability,. fault currents as low as a half. detection and isolation technology. from low level to 75 amps AC or DC. ampere. It will activate the trip relay. was designed to minimize the dan-. They also include ground fault inter-. in less than 10 milliseconds without. gers posed
WhitePaper-Ground-Fault Protection for Solar Applications
; however,. AC/DC, and variable-frequency power circuits. Earth-. this is not guaranteed. If a fault on the grounded bus. leakage metering, and two setting levels (trip and alarm). are provided. In addition to ground-fault protection, the. Figure 5: Grounded Bus with Ground Fault Current < Fuse
Lowering the Limits for Ground-Fault Protection (.pdf)
Hz component,. Ground-fault protection relays that use digital filtering. and the ground-fault current that is the sum of the two, at. techniques can reduce nuisance tripping associated with. each of the sample times, n. It also shows the sample-time. low-level protection. Such devices ignore the dc
Introduction to Protection Relays and Applications (.pdf)
, additional. protection, such as protection relays, are typically required to. DC Systems. protect against ground faults. Direct current (dc) systems have positive and negative. buses. If either bus is grounded, then it is referred to as. Definition of Ground Fault. a grounded system. If neither bus
Arc Fault Detection Schemes for an Automotive 42 V Wire Harness (.pdf)
detection schemes were developed,. Automotive electro-mechanical and solid-state-relays. built and tested with different loads including motor loads. were employed to shut off the electrical circuit in the. to clear both parallel and series arc faults in a 42 V DC. event of an arc fault. network
". "Hot" switching often entails contact arcing upon opening and during contact bounce. AC and DC circuits have special considerations when switched "hot" and are discussed under their specific headings. For "cold" switching, where the circuit is switched with no load across the relay terminals
ePanorama.net - Circuits
Most types work only on AC current (there are also special DC relays available) There is some leakage current even when relay if off If the triac inside semiconductor relay is not driven properly or faulty, it can act like a rectifier and result in a pulsating DC to the load Electromagnetic relays
Secure Power with Next Generation SPDUs (.pdf)
’. assessment. Over 20 years the company has manufactured more. Block diagram of the Next Generation DC SSPC. than 250,000 SSPCs and 1,000 secondary power distribution units. (SPDUs) within its line of electronic equipment. Leach Interna-. Nuisance Trips. tional SSPCs were used in the world’s first automated
Engineering Web Search: Ground Fault Relay DC Top
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