SI-LS31PBD Equivalent & Substitute Parts

Part Overview

The SI-LS31PBD is a safety limit switch manufactured by Banner Engineering Corporation, classified as an obsolete product. This switch is no longer in active production, making identification of functionally equivalent alternatives essential for system maintenance, repair, and component sourcing. The SI-LS83PBD serves as the manufacturer-recommended substitute, offering compatible switching functionality within the Banner Engineering interlock switch product line.

Substiute Parts

SI-LS31PBD

Banner Engineering CorporationIn Stock: 1087SI-LS31PBD Datasheet

Current PartRFQ

SI-LS83PBD

Banner Engineering CorporationIn Stock: 721SI-LS83PBD Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

The SI-LS83PBD is identified as the manufacturer-recommended substitute for the SI-LS31PBD. Substitution eligibility is determined by the following criteria:

• Manufacturer alignment: Both parts are manufactured by Banner Engineering Corporation
• Switch classification: Both are interlock switches within the Banner safety switch product family
• Functional category: Both serve as safety-critical switching devices
• Electrical compatibility: Electrical parameters including current rating, voltage rating, and circuit configuration determine functional equivalence
• Physical interface: Termination style, actuator type, and conduit thread size ensure mechanical compatibility in existing installations

Parameter Comparison

Engineering Selection Recommendations

The SI-LS83PBD is the manufacturer-recommended substitute for the obsolete SI-LS31PBD. Selection of the SI-LS83PBD is supported by:

• Active product status: The SI-LS83PBD is in active production, ensuring long-term availability and supply chain continuity
• Regulatory compliance: The SI-LS83PBD carries CE, CSA, and UL certifications, meeting international safety and performance standards
• Manufacturer endorsement: Banner Engineering Corporation has designated this part as the direct replacement
• Functional compatibility: Both switches operate within the Banner interlock switch family, maintaining design consistency

Frequently Asked Questions (FAQ)

Q: Why is the SI-LS31PBD being phased out? A: The SI-LS31PBD is classified as obsolete. The SI-LS83PBD represents the current-generation equivalent within Banner Engineering's product portfolio.

Q: What are the key electrical differences between SI-LS31PBD and SI-LS83PBD? A: The SI-LS83PBD operates at 6A AC / 550mA DC at 120VAC/DC with a DPST-NO/NC circuit configuration. Detailed electrical specifications for the SI-LS31PBD are not provided in the reference data.

Q: Are the physical dimensions and mounting interfaces identical? A: Both switches use M16 x 1.5 conduit thread size and screw terminal termination. Physical compatibility should be verified against installation drawings for your specific application.

Q: What certifications does the SI-LS83PBD carry? A: The SI-LS83PBD is certified by CE, CSA, and UL, meeting international safety standards for interlock switches.

Q: What is the operating temperature range for the SI-LS83PBD? A: The SI-LS83PBD operates across -30°C to 80°C, suitable for industrial and commercial environments.

Q: Is the SI-LS83PBD available in bulk packaging? A: Yes, the SI-LS83PBD is available in bulk packaging. The SI-LS31PBD was available in standard packaging.