LOCON 24-0360 Modules

Technical Dossier

Product Details And Specifications

LOCON 24-0360 Series: Comprehensive Module Range and Technical Overview

The LOCON 24-0360 series represents a well-established line of general-purpose relay modules deployed across heavy industrial environments including chemical processing plants, oil refineries, power generation facilities, and continuous-process manufacturing lines. These modules serve as discrete output interface components within distributed control system (DCS) and programmable logic controller (PLC) architectures, providing galvanic isolation between field devices and control backplanes. Their compact DIN-rail form factor and standardized terminal assignments have made them a long-term fixture in plant maintenance inventories across Europe, Asia-Pacific, and the Americas. The 24-0360 series is particularly prevalent in legacy installations where replacement-in-kind is required to avoid full I/O subsystem re-engineering.

The Evolution of 24-0360 Architecture

The 24-0360 platform was introduced as a modular relay interface solution designed to bridge 24 VDC control signals with higher-voltage field circuits. Early revisions featured single-pole single-throw (SPST) contact configurations with mechanical relay elements rated for standard industrial duty cycles. Subsequent hardware revisions introduced enhanced coil suppression circuitry, improved contact materials (AgNi and AgSnO2 variants) for extended service life under resistive and inductive loads, and tighter coil voltage tolerance windows to accommodate fluctuating plant power supplies.

As DCS platforms evolved through the 1990s and 2000s, the 24-0360 series was adapted to support higher-density I/O marshalling panels. The A32I variant specifically incorporates an integrated status LED indicator and reinforced terminal block rated for 2.5 mm² conductors, addressing field wiring requirements in high-vibration environments. Compatibility with LOCON's proprietary backplane bus systems has remained consistent across revisions, allowing module substitution without firmware changes in most host controller configurations. The series is now considered mature; active production of certain sub-variants has been reduced, making reliable aftermarket sourcing a critical operational requirement for plant engineers managing long-lifecycle installations.

24-0360 Full Catalog & Functionalities (SKU List)

The following SKUs represent the documented range of the LOCON 24-0360 series. Modules are classified by functional type:

General Purpose Relay Output Modules

• 24-0360-A32I: 24 VDC coil, SPDT contact, LED status indicator, DIN-rail mount
• 24-0360-A32: 24 VDC coil, SPDT contact, standard version without indicator LED
• 24-0360-A16I: 24 VDC coil, SPST contact, LED indicator, low-profile housing
• 24-0360-A16: 24 VDC coil, SPST contact, base version, screw terminal
• 24-0360-B32I: 48 VDC coil, SPDT contact, LED indicator, reinforced terminal block
• 24-0360-B32: 48 VDC coil, SPDT contact, standard terminal, DIN-rail
• 24-0360-C32I: 110 VAC coil, SPDT contact, LED indicator, AC input interface
• 24-0360-C32: 110 VAC coil, SPDT contact, no indicator, standard housing
• 24-0360-D32I: 230 VAC coil, SPDT contact, LED indicator, high-voltage field interface
• 24-0360-D32: 230 VAC coil, SPDT contact, base version, screw terminal

Solid-State / Hybrid Output Variants

• 24-0360-S24I: Solid-state output, 24 VDC, zero-crossing switching, LED indicator
• 24-0360-S24: Solid-state output, 24 VDC, no indicator, high-frequency switching
• 24-0360-S48I: Solid-state output, 48 VDC, LED indicator, optocoupler isolation

Specialty / High-Current Variants

• 24-0360-HC32I: High-current SPDT relay, 16 A contact rating, LED indicator, reinforced housing
• 24-0360-HC32: High-current SPDT relay, 16 A contact rating, standard terminal block
• 24-0360-HC16I: High-current SPST relay, 16 A, LED indicator, compact DIN-rail form

Sourcing Hard-to-Find & Obsolete 24-0360 Parts

Several sub-variants within the 24-0360 series have entered end-of-life status or reduced-production phases. OEM lead times for these modules frequently extend beyond acceptable plant maintenance windows, creating operational risk for facilities that cannot perform like-for-like substitutions without engineering review. DriveKNMS maintains a dedicated inventory of new-surplus, reconditioned, and tested-serviceable 24-0360 modules sourced through authorized distribution channels and controlled decommissioning programs.

Quality Control for the 24-0360 Range

All 24-0360 series modules processed by DriveKNMS undergo a structured inspection and functional test protocol prior to dispatch. The procedure addresses the specific failure modes associated with relay interface modules in long-service industrial environments:

• Coil resistance measurement: Verified against OEM specification tolerance (±10%) to detect open-coil or shorted-coil conditions resulting from thermal stress or surge events.
• Contact continuity and resistance test: Each contact set is cycled under rated load to confirm contact resistance below 100 mΩ and absence of contact welding or pitting.
• Insulation resistance test: 500 VDC megohm test applied between coil circuit and contact circuit to verify galvanic isolation integrity.
• LED indicator function check: For I-suffix variants, indicator circuit is verified under nominal coil energization.
• Terminal block inspection: Physical inspection of screw torque retention and conductor clamping surfaces for corrosion or deformation.
• Dimensional and label verification: Part number, revision marking, and date code confirmed against procurement documentation to prevent counterfeit or misidentified units from entering the supply chain.

Test records are retained per shipment and available upon request for quality audit purposes.