ABB N31E-84 Control Relay

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1. Product Overview

The ABB N31E‑84 Control Relay is a general‑purpose industrial control relay designed for switching control circuits, logic conversion, and signal interfacing. It features a high‑quality electromagnetic coil, fast response, multiple contact configurations, and simple installation and maintenance. This relay is suitable for automation control cabinets, machine control circuits, and distribution systems to perform reliable signal switching tasks.

2. Technical Specifications

• Model: N31E‑84

• Product Type: Control Relay

• Coil Rated Voltage:

  • Typically 24 V DC (other options such as 110 V DC or 230 V AC available upon order; check exact ordering code)

• Contact Configuration: 8 contacts (commonly 4 NO + 4 NC, depending on variant)

• Rated Contact Current: 8 A @ 250 V AC

• Contact Type: Mechanical silver alloy contacts

• Response Time: ≤ 15 ms (dependent on coil and load)

• Insulation Voltage: ≥ 1500 V AC (coil to contacts)

• Mounting Method: Plug‑in (socket base), DIN rail or screw mount

• Operating Temperature: ‑25 ℃ to +55 ℃

• Storage Temperature: ‑40 ℃ to +85 ℃

• Degree of Protection: IP20

• Standards Compliance: IEC / EN 60947‑5‑1

3. Advantages and Features

1. High‑Reliability Design
   Premium electromagnetic coil and silver alloy contacts ensure fast response and long contact life.

2. Multi‑Contact Configuration
   8 outputs (NO + NC) allow for complex control logic and signal switching.

3. Strong Compatibility
   Works seamlessly with PLCs, I/O modules, push buttons, and other control devices.

4. Easy Installation and Service
   Plug‑in socket simplifies replacement and maintenance.

5. Industrial‑Grade Robustness
   Resistant to vibration and wide temperature range suitable for industrial environments.

6. Flexible Voltage Options
   Available in multiple coil voltage options (DC/AC) to suit various systems.

4. Typical Applications

• Industrial automation control panels

• Intermediate relays for PLC outputs

• Logic control and circuit switching

• Motor start/stop control

• Timing and delay control circuits

• HVAC systems

• OEM machine control units

5. Installation and Usage Notes

1. Confirm Coil Voltage
   Ensure the coil rated voltage (DC/AC) matches your control supply.

2. Correct Wiring
   Follow wiring diagrams accurately to avoid miswiring damage.

3. Avoid Overload
   Do not exceed the contact’s rated current to prevent contact damage.

4. Environment Protection
   Avoid use in high humidity, dust, or corrosive atmospheres (add protective cover if necessary).

5. Power Off for Maintenance
   Always disconnect power before installation/maintenance for safety.