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NKK Switches AT4128JB Illumination Cap

Illumination push button cap suitable for use with various push button switches. Designed to provide a professional appearance and enhanced visibility in control panels.

Authorized Distributors
Source:DigiKey
Part No:AT4128JB
Stock:67
Inv Date:06-17-2026
Price: Unit price: $2.69
Buy/RFQ:
Part No:AT4128JB
Stock:0
Inv Date:06-18-2026
Price: Unit price: $2.69
Buy/RFQ:
Part No:AT4128JB
Stock:0
Inv Date:06-17-2026
Price: Unit price: $2.75
Buy/RFQ:
Part No:AT4128JB
Stock:34
Inv Date:06-17-2026
Price: Unit price: $2.55
Buy/RFQ:
Part No:AT4128JB
Stock:100
Inv Date:06-18-2026
Price: N/A
Buy/RFQ:

NKK Switches AT4128JB Illumination Cap Specifications:

  • Material: Polycarbonate
  • Color: JB (Blue)
  • Series: YB
  • Type: Round Cap
  • Illumination: With built-in LED
  • Diameter: 12mm
  • Series: YB2
  • Resistor: With resistor options for 5, 12, 24 Volts
  • Applicable for: Bright and Super Bright LED switches
  • Usage: Control panel indicator, visibility enhancement
  • Design: Transparent lens/diffuser for light diffusion
  • Compatibility: Mountable with YB series pushbutton switches
  • Operation: Suitable for illuminated applications demanding clear visual indication
  • Durability: Polycarbonate construction for impact resistance
  • Application: Industrial control panels, machinery, automation systems

Buy the Buy NKK Switches Illumination Push Button Cap Part Number AT4128JB Online

Enhance your control panels with the NKK illumination push button cap for superior visibility and professional appearance. Compatible with various switches, it features a durable polycarbonate body, a 12mm diameter, and integrated LED illumination suitable for industrial and automation applications. Its transparent lens ensures excellent light diffusion, making indicators clear and easily visible. Easy to mount with YB series switches, this cap provides a robust, impact-resistant solution to elevate operational clarity and aesthetic quality in your control systems.

Order your NKK SeriesYB2 AT4128JB illumination push button cap today and give your control panels a professional upgrade with clear, bright visibility.

Frequently Asked Questions

Where can I buy NKK Switches AT4128JB?

You can click on the BUY or RFQ button to purchase AT4128JB from an authorized NKK Switches distributor.

How do I troubleshoot issues or seek technical support for part AT4128JB?

You can download the AT4128JB datasheet or visit the NKK Switches website for support.

Who is the manufacturer of AT4128JB?

NKK Switches

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