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Honeywell LSR3K1 Heavy-Duty Limit Switch

The Honeywell LSR3K1 is a robust heavy-duty limit switch designed for demanding industrial environments. It incorporates a side rotary actuator, providing reliable position sensing in applications like machine tools, material handling, and packaging systems. The switch features a 1NC 1NO SPDT snap-action circuitry, ensuring precise and dependable operation. Its construction includes a zinc die-cast housing, a 0.5 in - 14NPT conduit termination, and various sealing options (NEMA 1, 3, 4, 4X, 6, 6P, 12, 13) to suit diverse environmental conditions. The switch is UL listed, CSA certified, and CE certified, ensuring compliance with industry standards.

Authorized Distributors
Source:Newark
Part No:LSR3K1
Stock:1
Inv Date:06-01-2026
Price: Unit price: $179.49
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Part No:LSR3K1
Stock:0
Inv Date:06-02-2026
Price: N/A
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Part No:LSR3K1
Stock:0
Inv Date:06-01-2026
Price: Unit price: $168.52
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Part No:LSR3K1
Stock:1
Inv Date:06-01-2026
Price: Unit price: $121.41
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Honeywell LSR3K1 Heavy-Duty Limit Switch Specifications:

  • Operating Force (O.F.): 0,19 N m max. [1.7 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: Lever Not Included - Reference Lever Required Accessory
  • 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: 0.5 in - 14NPT conduit
  • 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: - 1 °C to 121 °C [30 °F to 250 °F]
  • Comment: Low torque; Clockwise operation only
  • 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 LSR3K1?

You can click on the BUY or RFQ button to purchase LSR3K1 from an authorized Honeywell distributor.

How do I troubleshoot issues or seek technical support for part LSR3K1?

You can download the LSR3K1 datasheet or visit the Honeywell website for support.

Who is the manufacturer of LSR3K1?

Honeywell

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