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Honeywell LS4A3K7AA Heavy-Duty Limit Switch

The Honeywell LS4A3K-7AA is a robust heavy-duty limit switch designed for demanding industrial applications such as machine tools, material handling, and packaging systems. It incorporates a boss-and-socket head design for secure retention, a unique all-metal drive train for consistent operation, and easily identified grounding terminals for safety compliance. The switch offers a wide variety of operating heads, field-adjustable operating modes, and is available in various sealing options to withstand harsh environments. Its durable construction and versatile features make it suitable for a wide range of sensing and control applications.

Authorized Distributors
Source:Newark
Part No:LS4A3K-7AA
Stock:3
Inv Date:06-01-2026
Price: Unit price: $559.81
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Source:DigiKey
Part No:LS4A3K-7AA
Stock:0
Inv Date:06-01-2026
Price: Unit price: $730.283
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Source:DigiKey
Part No:LS4A3K-7AA
Stock:3
Inv Date:06-01-2026
Price: Unit price: $582.75
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Part No:LS4A3K-7AA
Stock:0
Inv Date:06-02-2026
Price: Unit price: $636.95
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Part No:LS4A3K-7AA
Stock:0
Inv Date:06-01-2026
Price: Unit price: $618.78
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Part No:LS4A3K-7AA
Stock:2
Inv Date:06-01-2026
Price: Unit price: $582.89
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Honeywell LS4A3K7AA Heavy-Duty Limit Switch Specifications:

  • Operating Force (O.F.): 0,45 N m max. [4 in lb max.]
  • Pretravel (P.T.): 15° max.
  • Overtravel (O.T.): 60° min.
  • Differential Travel (D.T.): 5° max.
  • Product Type: MICRO SWITCH™ Heavy- Duty Limit Switches
  • Actuator: Side Rotary
  • Lever Style: Plastic Conveyor Roller Lever (1.5 in dia. x 3.8 in wide)
  • Circuitry: 1NC 1NO Single- Pole Double- Throw, Snap- Action, Double- Break
  • Ampere Rating: 10 A (Thermal)
  • Supply Voltage: 600 Vac and 250 Vdc max.
  • Housing Material: Zinc Die - Cast
  • Termination Type: 20 mm
  • Housing Type: HDLS Non Plug- in
  • Series Name: HDLS
  • Sealing: NEMA 1, 3, 4, 4X, 6, 6P, 12, 13
  • Approvals: UL listed, CSA Certified, CE Certified, CCC Certified
  • CSA File #: LR57326/Master Contract 152457
  • UL File #: E37138
  • Operating Temperature Range: - 12 °C to 121 °C [10 °F to 250 °F]
  • Comment: Lever Included
  • Agency Approvals and Standards: EN60947 - 1, EN60947- 5- 1
  • UNSPSC Code: 302119
  • UNSPSC Commodity: 302119 Switches and controls and relays
  • Sealed: Industrial

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Frequently Asked Questions

Where can I buy Honeywell LS4A3K7AA?

You can click on the BUY or RFQ button to purchase LS4A3K7AA from an authorized Honeywell distributor.

How do I troubleshoot issues or seek technical support for part LS4A3K7AA?

You can download the LS4A3K7AA datasheet or visit the Honeywell website for support.

Who is the manufacturer of LS4A3K7AA?

Honeywell

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