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FUJI ELECTRIC 4NK0AN Thermal Overload Relay

The FUJI ELECTRIC 4NK0AN is a robust thermal overload relay engineered to provide comprehensive motor protection. Its key features include an adjustable ampere range allowing for customization to specific motor requirements, a built-in heater ensuring accurate temperature sensing, and an alarm contact for proactive monitoring of motor conditions. The relay is designed for use with various contactor frames and offers open-phase protection. It's ideal for applications requiring reliable motor protection and safety, commonly found in industrial automation, HVAC systems, and power distribution.

Authorized Distributors
Part No:4NK0AN
Stock:52
Inv Date:06-10-2026
Price: Unit price: $32.26
Buy/RFQ:
Part No:4NK0AN
Stock:52
Inv Date:06-10-2026
Price: Unit price: $32.26
Buy/RFQ:

FUJI ELECTRIC 4NK0AN Thermal Overload Relay Specifications:

  • Ampere Range: 0.1 – 11 A
  • Adjustable Ampere Range: 0.1 – 0.15, 0.15 – 0.24, 0.24 – 0.36, 0.36 – 0.54, 0.48 – 0.72, 0.64 – 0.96, 0.8 – 1.2, 0.95 – 1.45, 1.4 – 2.2, 1.7 – 2.6, 2.2 – 3.4, 2.8 – 4.2, 4 – 6, 5 – 8, 6 – 9, 7 – 11
  • Alarm Contact: 1NO+1NC
  • Manual Trip Device: Yes
  • Open-Phase Protection: Yes
  • Ambient Temperature Compensator: Limits ampere value changes to approx. 10% between –5˚C and 40˚C
  • Contact Rating (C600): 2.5A
  • Current-Make/Break (A) @ 110-120V: 15/1.5
  • Current-Make/Break (A) @ 220-240V: 7.5/0.75
  • Current-Make/Break (A) @ 440-480V: 3.75/0.375
  • Current-Make/Break (A) @ 550-600V: 3.0/0.3

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Frequently Asked Questions

Where can I buy FUJI ELECTRIC 4NK0AN?

You can click on the BUY or RFQ button to purchase 4NK0AN from an authorized FUJI ELECTRIC distributor.

How do I troubleshoot issues or seek technical support for part 4NK0AN?

You can download the 4NK0AN datasheet or visit the FUJI ELECTRIC website for support.

Who is the manufacturer of 4NK0AN?

FUJI ELECTRIC

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