ABB 81EA04 GJR2393400R1210 Product Documentation

Product Introduction

The ABB 81EA04 GJR2393400R1210 is a high-performance relay module designed for industrial automation and control systems. It is part of ABB’s renowned relay series, known for reliability, durability, and precision in demanding environments. This module is commonly used in motor control, power distribution, and protection circuits.

The device features a robust construction with high electrical isolation, ensuring safe operation in high-voltage applications. Its compact design allows for easy integration into control panels and switchgear assemblies.

Product Advantages

• High Reliability: Engineered for long-term operation with minimal maintenance.

• Wide Voltage Range: Compatible with various industrial voltage standards.

• Compact Design: Space-saving for efficient panel installation.

• High Electrical Isolation: Ensures safety in high-voltage environments.

• Easy Installation: Modular design with plug-and-play compatibility.

• Durability: Resistant to shock, vibration, and harsh industrial conditions.

Technical Specifications

Applications

• Motor control and protection circuits

• Power distribution systems

• Industrial automation panels

• HVAC control systems

• Railway signaling systems

• Renewable energy applications

Compatible & Recommended Models

The ABB 81EA04 GJR2393400R1210 can be used alongside the following complementary products:

• ABB 1SVR730850R0100 (Auxiliary Relay)

• ABB 1SBL256001R1100 (Circuit Breaker)

• ABB 1SVR550850R0000 (Signal Converter)

• ABB 1SAP250100R0001 (Interface Module)

• ABB 1SVR730850R0200 (Time Delay Relay)

• ABB 1SBL256001R2100 (Protection Relay)

Installation Instructions

1. Mounting: Secure the relay on a standard DIN rail (35mm) in a well-ventilated panel.

2. Wiring: Connect the input voltage terminals as per the wiring diagram (supplied in the manual).

3. Load Connection: Attach the output contacts to the controlled device (motor, contactor, etc.).

4. Verification: Power on and test the relay operation using a multimeter or control signal.

5. Safety Check: Ensure all connections are tight and insulation is intact before finalizing installation.

Recommended Related Models (Same Series)

Popular ABB Models (Other Series)

Frequently Asked Questions (FAQ)

Q1: What is the maximum switching current for the ABB 81EA04?
A1: The maximum switching current is 10A at 250V AC.

Q2: Can this relay be used in DC applications?
A2: Yes, it supports both AC and DC voltage inputs (24V DC / 110-240V AC).

Q3: What is the expected lifespan of this relay?
A3: Under normal operating conditions, the relay has a mechanical lifespan of 10 million operations and an electrical lifespan of 100,000 operations at full load.

Q4: Is the relay suitable for outdoor use?
A4: No, it has an IP20 rating and should be installed in a protected indoor environment.

Q5: Can multiple relays be mounted side by side?
A5: Yes, the compact DIN rail design allows for side-by-side installation with proper spacing for heat dissipation.

Q6: What are the recommended maintenance procedures?
A6: Periodic inspection for dust accumulation, loose connections, and contact wear is recommended. No routine maintenance is required under normal conditions.