ABB NL22E 24VDC DC Contactor

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1. Product Overview

The ABB NL22E 24VDC Contactor is a control and switching device for low-voltage DC circuits. It is used to remotely control the connection and disconnection of DC loads. The contactor features a 24V DC coil and is suitable for switching DC motors, DC lighting, and other DC loads. The NL22E series contactor is compact, fast-acting, and durable, ideal for industrial automation, transportation equipment, and energy systems requiring DC circuit control.

2. Technical Specifications

• Model: NL22E

• Control Voltage: 24 V DC

• Rated Operational Current: 22 A (AC-1) / 10 A (DC-1)

• Poles: 2 poles (Normally Open)

• Contact Type: Normally Open (NO)

• Rated Insulation Voltage: 690 V AC

• Switching Capacity: Suitable for DC and AC loads

• Mechanical Life: ≥ 10,000,000 operations

• Electrical Life: ≥ 500,000 operations (rated load)

• Coil Power Consumption: ~7.5 W

• Mounting: DIN rail or screw mount

• Degree of Protection: IP20

• Operating Temperature: –25 ℃ to +60 ℃

• Standards: IEC 60947-1 / IEC 60947-4-1 / CE

3. Advantages and Features

1. High Reliability Control
   Fast response to DC signals, ensuring reliable load control.

2. Compact Design
   Saves installation space, suitable for integration in distribution and control panels.

3. Long Lifespan
   High mechanical and electrical endurance, ideal for high-frequency operations.

4. Industrial Adaptability
   Stable operation in high temperature, vibration, and industrial environments.

5. Easy Installation
   DIN rail or screw mounting allows flexible and convenient wiring.

4. Applications

• DC motor control

• Industrial automation DC load switching

• Battery-powered systems

• Transportation equipment DC control (e.g., metro, railway signaling)

• DC lighting and energy system control

5. Installation and Usage Notes

1. Ensure control voltage and load current compatibility before installation.

2. Perform wiring and installation with power disconnected for safety.

3. Avoid incorrect wiring; verify coil and contact voltage.

4. Regularly inspect contacts and wiring for long-term reliable operation.

5. Avoid direct use in high humidity, dust, or corrosive environments; use protective covers if necessary.