Honeywell SZL-WLC-B / SZL-WLC-C Limit Switch – Obsolete Micro Switch Series Spare Part

Model: SZL-WLC-B SZL-WLC-C

Brand Honeywell
Model SZL-WLC-B SZL-WLC-C
RFQ-ready model route Obsolete and surplus sourcing Export follow-up by model list

Product Overview

Commercial availability is handled through direct RFQ, model verification and export-oriented follow-up rather than public cart checkout.

Datasheet Preview

Datasheet Preview

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Commercial Path

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Technical Dossier

Product Details And Specifications

Honeywell SZL-WLC-B / SZL-WLC-C Limit Switch – Obsolete Micro Switch Series Spare Part

RFQ support for obsolete parts: Send the model number, required quantity and destination so DriveKNMS can confirm sourcing options before quotation.

Technical Specifications

Parameter Detail
Manufacturer Honeywell (formerly Micro Switch Division)
Model Numbers SZL-WLC-B / SZL-WLC-C
Product Series SZL-WL Miniature Limit Switch Series
Product Type Miniature Limit Switch / Snap-Action Switch
Discontinuation Status Obsolete – No longer in production
Country of Origin United States
Typical Application Position sensing, end-of-travel detection, safety interlocks in industrial machinery
Common Legacy Systems Older PLC-controlled conveyors, hydraulic press controls, packaging automation, machine tool end-stops

Note: Electrical parameters (voltage rating, current rating, contact configuration) vary by sub-model suffix. Confirmed specifications are provided upon request with unit verification. No parameters are assumed or fabricated.

Solving the Discontinued Hardware Crisis

The SZL-WLC-B and SZL-WLC-C belong to Honeywell's legacy SZL-WL miniature limit switch family — a series that was specified into thousands of industrial machines during the 1980s and 1990s. The mechanical actuator geometry, panel cutout dimensions, and terminal layout of these switches are not replicated by any current-production Honeywell catalog item without modification.

Facilities running older Siemens SIMATIC S5, Allen-Bradley PLC-5, or Modicon 984 control platforms — all of which share a generational overlap with this switch series — face compounded risk: the control system itself may also be approaching end-of-support, making any forced hardware change a trigger for a full-system audit. Maintaining the original switch eliminates one variable in an already complex maintenance equation.

How to extend expensive automation assets by 5–10 years using critical spare parts:

Condition & Reliability Assurance

DriveKNMS applies a 5-step quality assurance process to all obsolete electromechanical components before dispatch review:

  1. Visual and mechanical inspection: Actuator travel, snap-action mechanism engagement, and housing integrity are checked against original design tolerances. Pin corrosion, terminal oxidation, and housing stress fractures are grounds for rejection.
  2. Electrolytic capacitor assessment (where applicable): For units with internal circuitry, capacitor condition is evaluated. Aged electrolytic capacitors are a primary failure mode in stored electronic components and are flagged accordingly.
  3. Terminal and contact verification: All electrical contacts are inspected for pitting, arcing residue, and corrosion. Contact resistance is measured where test equipment permits.
  4. Firmware and label verification: Date codes, revision markings, and manufacturer labels are cross-referenced against known authentic production records to screen for counterfeit or remarked parts.
  5. Functional actuation test: Each unit is cycled through its actuation range to confirm snap-action response and return-to-position behavior prior to packaging.

Key Features for System Maintenance

Can you source related SZL-WL series variants?
Yes. DriveKNMS actively sources across the SZL-WL family. Contact us with your full part number including suffix for availability confirmation.

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