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Honeywell 1SM1 Micro Switch

The 1SM1 is a single-pole double-throw micro switch featuring a pin plunger actuator, solder terminals, and an ON/OFF switching function. Part of the MICRO SWITCH™ SM series, it combines compact size with high electrical capacity and long service life. This switch offers high precision, repeatability, and options for gold contacts suitable for low-energy switching, as well as gold bifurcated contacts for reliability. It includes an elongated mounting hole for precise installation, making it ideal for aerospace, sensing,医疗设备, consumer electronics, and HVAC applications.

Authorized Distributors
Source:DigiKey
Part No:1SM1
Stock:131
Inv Date:06-01-2026
Price: Unit price: $26.6
Buy/RFQ:
Part No:1SM1
Stock:0
Inv Date:06-02-2026
Price: Unit price: $37.21
Buy/RFQ:
Part No:1SM1
Stock:98
Inv Date:06-01-2026
Price: Unit price: $27.48
Buy/RFQ:
Part No:1SM1
Stock:700
Inv Date:06-01-2026
Price: Unit price: $16
Buy/RFQ:

Honeywell 1SM1 Micro Switch Specifications:

  • Switch Type: Single-pole double-throw (SPDT)
  • Actuator: Pin plunger
  • Electrical Capacity: Up to 11 A, 250 Vac
  • Contacts: Gold-plated or bifurcated gold
  • Housing: Phenolic
  • Operation: Up to 80,000 operations for standard, 10,000,000 for long-life models
  • Temperature Range: -54°C to 121°C (select listings up to 204°C)
  • Mounting: Elongated hole for easy installation
  • Terminals: Solder
  • Agency Approvals: UL, CE, CSA, ENEC, MIL-PRF-8805, FAA-PMA
  • Size: Approx. 12.7 mm H x 6.35 mm W x 20.3 mm L

Buy the Honeywell 1SM1 – Reliable Micro Switch for Industrial Applications

Purchase the Honeywell 1SM1 micro switch online today and ensure reliable high-precision switching for aerospace, industrial sensing, electronics, and HVAC solutions. Designed with a pin plunger actuator, solder terminals, and gold contacts, it offers exceptional durability, a long mechanical life, and versatile installation options. Its high electrical capacity and availability in various configurations make it ideal for demanding applications requiring consistent and precise operation. Secure your supply of this proven, compact switch now for dependable, long-term performance in critical systems.

Get Honeywell 1SM1 today—built for precision and long-lasting durability in demanding environments.

Frequently Asked Questions

Where can I buy Honeywell 1SM1?

You can click on the BUY or RFQ button to purchase 1SM1 from an authorized Honeywell distributor.

How do I troubleshoot issues or seek technical support for part 1SM1?

You can download the 1SM1 datasheet or visit the Honeywell website for support.

Who is the manufacturer of 1SM1?

Honeywell

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