Chint NP2-ED21 2-Position Rotary Switch 1NO

1. Key Features

• NP2-ED21 2-position rotary switch, compact and durable.

• Mounting hole diameter Φ22mm, easy for control panels.

• 1NO contact, reliable operation.

• Protection level IP40, IEC/EN60947-5-1 compliance.

• Wide operating temperature range: -5℃ to +40℃.

• Easy installation and maintenance with torque 0.8 – 1.2 Nm.

2. Technical Specifications

• Model: NP2-ED21

• Brand: CHINT

• Operating voltage: AC380V/DC220V

• Frequency: 50/60Hz

• Contact: 1NO

• Position: 2

• Rated insulation voltage: 415V

• Max current: 10A

• Protection level: IP40

• Standard: IEC/EN60947-5-1

• Rated operational current:

  • Ue 415V: Ie (AC-15) 1.9A

  • Ue 240V: Ie (AC-15) 3A, (DC-13) 0.27A

  • Ue 125V: Ie (DC-13) 0.55A

• Ambient temperature: -5℃ ~ +40℃ (24h average ≤ +35℃)

• Humidity: ≤ 50% at +40℃; up to 90% at +20℃

• Pollution degree: 3

• Overvoltage category: II

• Cable size: 0.5 – 2.5 mm² (stripped length 8mm)

3. Applications

• Used in industrial control cabinets.

• Start/stop control of electrical equipment.

• Suitable for both industrial and residential panels.

• Widely applied in automation and production lines.

4. How to Use

• Mount on Φ22mm hole.

• Connect wires with proper section and torque.

• Regularly tighten terminals for safety.

• Disconnect power before maintenance.

• Perform monthly inspection for reliability.