3HM41 | Honeywell Hermetically Sealed SPDT Roller Lever Limit Switch

Description 

The Honeywell 3HM41 is a hermetically sealed limit switch designed for precision position detection in industrial and control systems. It features an SPDT contact configuration with a roller lever actuator and solder termination for secure electrical integration. The device is suitable for applications requiring reliable switching performance in environments where sealing is critical.

Technical Specifications 

Information About 3HM41

The 3HM41 is part of Honeywell’s sealed switch portfolio, engineered to provide dependable mechanical and electrical performance. Its hermetically sealed construction protects the internal contacts from contamination, improving long-term operational stability. The switch incorporates a roller lever actuator that converts mechanical movement into a controlled SPDT electrical output. Designed for through-hole mounting with solder terminals, it is compatible with PCB-based assemblies and industrial control equipment.

Key Features:

• Hermetically Sealed Housing: Protects internal contacts from moisture and contaminants.

• SPDT Contact Arrangement: Provides both normally open and normally closed circuits.

• Roller Lever Actuator: Enables smooth and repeatable mechanical actuation.

• Through-Hole Mounting: Designed for secure PCB installation.

• Solder Terminals: Ensures stable and durable electrical connections.

• Operating Force 1.95 N: Controlled actuation force for consistent switching.

• Maximum Differential Movement 0.1 mm: Supports precise mechanical response.

The 3HM41 delivers the reliability and precision required for controlled position sensing and switching in industrial applications.