ABB Earth-  LEAKAGE MONITORING RELAY  ET5544
ABB Earth-  LEAKAGE MONITORING RELAY  ET5544
ABB Earth-  LEAKAGE MONITORING RELAY  ET5544
ABB Earth-  LEAKAGE MONITORING RELAY  ET5544
ABB Earth-  LEAKAGE MONITORING RELAY  ET5544
ABB Earth-  LEAKAGE MONITORING RELAY  ET5544
ABB Earth-  LEAKAGE MONITORING RELAY  ET5544
ABB Earth-  LEAKAGE MONITORING RELAY  ET5544

ABB Earth- LEAKAGE MONITORING RELAY ET5544

ABB Earth- LEAKAGE MONITORING RELAY ET5544 Specification

  • Load Capacity
  • Adjustable (sensitivity dependent)
  • Automation Grade
  • Automatic
  • Weight
  • Approx. 150g
  • Control Type
  • Relay Control
  • Phase
  • Single / Three Phase
  • Application
  • Earth Leakage Monitoring, Industrial Control Panels
  • Sensor Type
  • Current Transformer Required (external)
  • Mounting Type
  • DIN rail mounting
  • Connectivity Type
  • Panel Mounted, Terminal Block
  • Frequency
  • 50/60 Hz
  • Cable Length
  • Depends on Installation
  • IP Rating
  • IP20
  • Remote Control
  • Yes
  • Features
  • LED Indication, Test and Reset Buttons, Adjustable Sensitivity
  • Material
  • Plastic, Electronic Components
  • Power
  • 24V DC / 230V AC
  • Temperature
  • -25C to +55C (Operating)
  • Voltage
  • AC 230V / DC 24V
  • Reset Method
  • Manual / Automatic
  • Output Contacts
  • 1 Changeover (SPDT), 250V AC/5 A max.
  • Time Delay Range
  • 0 - 10 s (Adjustable)
  • Trip Threshold
  • 0.03 A to 5 A (Adjustable)
  • Model Number
  • ET5544
  • Conformity Standard
  • IEC/EN 60947-2, IEC/EN 62020
  • Indicator
  • LED for Operation/Trip Status
  • Dimensions
  • Approx. 90mm x 70mm x 65mm
 
 

About ABB Earth- LEAKAGE MONITORING RELAY ET5544

Abb Circuit Breaker

  • Earth-  LEAKAGE MONITORING RELAY
  • 1SVR450065R0000
  • CM-IWN-DC
  • L+/L:-SEND, 10-110KOHM, DC 24+240V
  • A1/A2: AC/DC 24-240V 50/60Hz
  • 1 c/o
  • 4   013614  347245
  • Fi: 3580751
  • It: ET5544
  • 1160


Precision Leakage Detection for Industrial Safety

The ABB ET5544 Earth-Leakage Monitoring Relay provides advanced protection against ground faults by instantly detecting abnormal earth-leakage currents. Widely applied in industrial control panels, the device features adjustable sensitivity to optimize safety according to specific installation requirements, helping prevent hazards and equipment damage.


User-Friendly Operation and Installation

Equipped with intuitive test and reset buttons, as well as LED indicators for status monitoring, the ET5544 is engineered for convenience and efficiency. Its DIN rail mounting and panel-mount connectivity simplify installation, while manual or automatic reset options ensure flexible maintenance and rapid troubleshooting.

FAQs of ABB Earth- LEAKAGE MONITORING RELAY ET5544:


Q: How does the ABB ET5544 Earth-Leakage Monitoring Relay work?

A: The ET5544 monitors earth-leakage currents using an external current transformer. When leakage exceeds the set threshold, the relay trips after the adjustable time delay, activating the output contact and the LED trip indicator for immediate attention.

Q: What are the main benefits of using the ET5544 in industrial control panels?

A: This relay enhances electrical safety by providing early detection of earth faults, customizable sensitivity and time delay options, and clear LED status indicators. It helps minimize downtime, reduce equipment damage risk, and promotes compliance with international standards.

Q: When should I adjust the trip threshold and time delay settings?

A: Adjust these settings during installation or routine maintenance to match the safety requirements and characteristics of your application. Fine-tuning ensures optimal protection without unnecessary nuisance tripping.

Q: Where can the ET5544 relay be installed?

A: The ET5544 is DIN rail mountable and designed for installation in industrial control panels. It is suitable for both single-phase and three-phase systems, operating in environments from -25C to +55C.

Q: What is the process for resetting the relay after a trip event?

A: After a trip, the relay can be reset using the manual reset button on the device or switching to automatic reset mode, depending on your configuration and safety protocols.

Q: Which power supplies are compatible with the ET5544?

A: The relay operates with both 24V DC and 230V AC power supplies, offering flexibility for integration into various control systems.

Q: What type of current transformer is required for the ET5544?

A: An external current transformer is necessary for sensor input. The transformer should be selected based on the applications cable size and installation conditions for accurate earth-leakage detection.

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