Multispan ELR-19N Earth Leakage Relay | 30mA–30A | Panel Mount | LED Indication

Product Summary:

The Multispan ELR-19N Earth Leakage Relay is a highly sensitive device designed to monitor and protect electrical systems from ground faults and insulation failures. It detects leakage current in the range of 30mA to 30A, triggering a trip command to prevent damage or fire hazards. This ELR model supports panel mounting, has LED status indication, and includes TEST and RESET buttons for on-site verification and system diagnostics.

🔹 Key Features:

• Leakage Sensitivity Range: 30mA to 30A (selectable via DIP switch or rotary knob)

• Mounting: Panel mount design (DIN size)

• Indication:

  • Leakage Trip (Red LED)

  • Healthy/ON (Green LED)

• Built-in Functions:

  • Test Button

  • Reset Button

• Trip Output: Potential-free relay contact for breaker/control circuit

• Response Time: Fast operation on detection of leakage

• Power Supply: Typically 230V AC (verify variant)

• Compact Design: Easily fits into control panels or MCCs
  

🔹 Applications:

• LT distribution panels

• Power factor panels

• Pump starter panels

• Motor control centers (MCCs)

• Residential and commercial switchboards

• Industrial machinery fault detection
  

🔹 Product Benefits:

• Adjustable Sensitivity: Offers precise protection for various load types

• Fire and Shock Prevention: Trips output relay on insulation failure or ground leakage

• Built-In Test/Reset: Easy maintenance and verification

• Clear Visual Status: LED indicators for fault and operation

• Compact Panel Integration: Saves space and simplifies wiring

• Cost-Effective Safety: Prevents downtime and asset damage from undetected leakage
  

❓ FAQs:

Q1. What is the use of an Earth Leakage Relay (ELR)?
An ELR detects leakage currents to ground and protects against insulation failure, electrical shock, or fire hazards.

Q2. What is the sensing range of ELR-19N?
It supports detection from 30mA to 30A, suitable for both sensitive and high-current loads.

Q3. Does the unit include Test and Reset functions?
Yes, both buttons are available for manual verification and fault reset.

Q4. Can this be used in industrial panels?
Absolutely. It’s designed for MCCs, pump panels, and LT boards.

Q5. What happens when a leakage is detected?
The relay trips (opens/closes) to signal a breaker or controller, cutting off power to the faulty section.