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Honeywell LSR1A Limit Switch

The LSR1A is a heavy-duty, single-pole, single-throw SPDT snap-action limit switch with a momentary side rotary actuator. It features a boss-and-socket head design for secure retention, all-metal drive train for reliable operation at high temperatures, and self-lifting pressure plate terminals for easy wiring. The switch has a one-piece flat gasket to seal against fluid migration, supports front mounting, and is compatible with domestic and international conduit fittings. It includes fluorocarbon sealing for harsh environments, a sealed epoxy-filled enclosure, and supports both plug-in and non-plug-in configurations, making it ideal for machine tools and material handling applications.

Authorized Distributors
Source:Newark
Part No:LSR1A
Stock:29
Inv Date:06-01-2026
Price: Unit price: $357.86
Buy/RFQ:
Source:DigiKey
Part No:LSR1A
Stock:0
Inv Date:06-01-2026
Price: Unit price: $493.69
Buy/RFQ:
Part No:LSR1A
Stock:4
Inv Date:06-02-2026
Price: Unit price: $347.79
Buy/RFQ:
Part No:LSR1A
Stock:48
Inv Date:06-01-2026
Price: Unit price: $357.86
Buy/RFQ:
Part No:LSR1A
Stock:22
Inv Date:06-01-2026
Price: Unit price: $649.56
Buy/RFQ:

Honeywell LSR1A Limit Switch Specifications:

  • Circuitry: 1NC 1NO SPDT snap action, double break
  • Housing material: Zinc die-cast with epoxy coating
  • Termination: 0.5 in - 14NPT conduit
  • Sealing: Fluorocarbon seals, IP65/66/67, NEMA 1, 6, 6P, 12, 13
  • Operating temperature: -12°C to 121°C [10°F to 250°F], optional -40°C to 121°C [-40°F to 250°F]
  • Electrical ratings: 10 A continuous carry, 600 V AC, 15 A at 120 Vac, 15 A at 240 Vac, 10 A at 480 Vac
  • Drive train: All-metal; with self-lifting pressure plate terminals
  • Mounting: Front mounting, interchangeable with plug-in and non-plug-in types
  • Seals: Fluorocarbon, optional fluorosilicone for low temp environments
  • Additional features: Boss-and-socket head design, sealed gasket, seismic shock resistance

Buy the Buy Honeywell Heavy-Duty Limit Switches Part Number LSR1A Online

Purchase the Honeywell LSR1A heavy-duty limit switch online today to benefit from its robust construction, high-temperature reliability, sealed design, and easy wiring. It features a durable zinc die-cast housing, a flat gasket to prevent fluid ingress, and a sealed epoxy-filled enclosure, ideal for demanding applications such as machine tools and material handling. The switch supports plug-in or non-plug-in mounting, with international conduit fittings, fluorocarbon sealing, and a self-lifting pressure terminal for quick wiring. Its high electrical ratings and corrosion-resistant design make it an excellent choice for harsh industrial environments, ensuring dependable operation and regulatory compliance.

Order your Honeywell LSR1A series limit switch today and ensure reliable, high-temperature operation in demanding industrial environments.

Frequently Asked Questions

Where can I buy Honeywell LSR1A?

You can click on the BUY or RFQ button to purchase LSR1A from an authorized Honeywell distributor.

How do I troubleshoot issues or seek technical support for part LSR1A?

You can download the LSR1A datasheet or visit the Honeywell website for support.

Who is the manufacturer of LSR1A?

Honeywell

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