SI-LS31LA18D Equivalent & Substitute Parts

Part Overview

The SI-LS31LA18D is a safety limit switch manufactured by Banner Engineering Corporation. This product is classified as Obsolete, making it necessary to identify active equivalent or substitute components for continued system support and new installations. The SI-LS31LA18D functions as a switch safety limit device and is available with 645 pieces in current inventory stock.

Substiute Parts

SI-LS31LA18D

Banner Engineering CorporationIn Stock: 702SI-LS31LA18D Datasheet

Current PartRFQ

SI-LS83LA18D

Banner Engineering CorporationIn Stock: 997SI-LS83LA18D Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The SI-LS83LA18D is identified as the manufacturer-recommended substitute for the SI-LS31LA18D. Substitution eligibility is determined by the following criteria:

• Manufacturer alignment: Both components are manufactured by Banner Engineering Corporation
• Functional category: Both are interlock switch devices within the Banner SI-LS series
• Electrical compatibility: The substitute maintains compatible electrical ratings and switching characteristics
• Mechanical interface: Conduit thread size M16 x 1.5 provides mechanical compatibility
• Environmental rating: IP65 ingress protection rating ensures equivalent environmental sealing
• Regulatory compliance: CE, CSA, and UL certifications provide equivalent approval agency coverage

Parameter Comparison

Engineering Selection Recommendations

The SI-LS83LA18D is the active equivalent for the obsolete SI-LS31LA18D. Selection of the SI-LS83LA18D is based on:

• Active product status ensures ongoing manufacturer support and availability
• Equivalent regulatory certifications (CE, CSA, UL) maintain compliance requirements
• Bulk packaging availability supports production and replacement requirements
• Mechanical compatibility through M16 x 1.5 conduit thread sizing
• Environmental sealing at IP65 rating provides equivalent protection

Frequently Asked Questions (FAQ)

Q: Why is the SI-LS31LA18D being replaced? A: The SI-LS31LA18D is classified as Obsolete. The SI-LS83LA18D is the active manufacturer-recommended substitute from Banner Engineering Corporation.

Q: Are the SI-LS31LA18D and SI-LS83LA18D mechanically compatible? A: Both components use M16 x 1.5 conduit thread sizing, providing mechanical compatibility in panel mount applications.

Q: What are the electrical specifications of the SI-LS83LA18D substitute? A: The SI-LS83LA18D is rated for 6A AC and 550mA DC at 120VAC/DC with DPST-NO/NC circuit configuration.

Q: Are the regulatory certifications equivalent? A: Both components carry CE, CSA, and UL certifications, maintaining equivalent regulatory compliance.

Q: What is the operating temperature range for the substitute? A: The SI-LS83LA18D operates across -30°C to 80°C, suitable for industrial control applications.

Q: What packaging is available for the SI-LS83LA18D? A: The SI-LS83LA18D is supplied in Bulk packaging with 964 pieces currently in stock.