Product Description

The Honeywell 1LS1 is a compact, general-purpose limit switch from the MICRO SWITCH™ LS Series, designed for industrial applications requiring reliable and precise position sensing. It features a side rotary actuator with a fixed-length roller lever, providing versatility in various mechanical systems. The switch offers a Single Pole Double Throw (SPDT) contact configuration with 1 Normally Open (NO) and 1 Normally Closed (NC) contact, suitable for a wide range of control circuits. Housed in a durable epoxy-coated zinc die-cast enclosure, it ensures protection against dust, water, and other environmental factors, meeting NEMA 1, 3, 4, 6, and 13 standards. With a maximum current rating of 10A at 120–480 VAC and 0.8A at 115 VDC, the 1LS1 is engineered for longevity and consistent performance over millions of operations.

Technical Specifications

• anufacturer: Honeywell
• Series: MICRO SWITCH™ LS Series
• Part Number: 1LS1
• Actuator Type: Side Rotary with Fixed-Length Roller Lever
• Contact Configuration: SPDT (1NO/1NC)
• Operating Force: 0.51 N·m
• Pretravel: 20°
• Differential Travel: 12°
• Overtravel: 30°
• Release Force: 0.08 N·m
• Maximum Operating Temperature: 71°C
• Minimum Operating Temperature: -29°C
• Housing Material: Epoxy-Coated Zinc Die-Cast
• Ingress Protection: NEMA 1, 3, 4, 6, 13
• Conduit Entry: 1/2–14 NPT
• Electrical Ratings:
• AC: 10A at 120–480 VAC
• DC: 0.8A at 115 VDC
• Certifications: RoHS Compliant
• Mounting Type: Chassis Mount
• Dimensions: 93.98 mm (L) × 57.1 mm (W) × 39.88 mm (H)
• Weight: Approximately 0.47 kg