The Applications
1. Automated Conveyor System in Food Packaging
In high-speed food packaging lines, conveyors often need to reverse direction to manage product flow or reject items. The ELR W3-24DC/500AC-2 ensures smooth, contact-free reversals that prevent wear and extend motor life. Its zero-voltage switching reduces electrical stress, maintaining stable performance even during rapid cycles. The LED indicators simplify on-site fault identification, and its silent operation makes it suitable for hygienic, noise-sensitive food facilities where continuous uptime is essential.
2. HVAC Damper Control in Smart Buildings
Large-scale HVAC systems rely on precision airflow control, which demands frequent motor direction changes. With solid-state switching, the ELR W3-24DC/500AC-2 delivers vibration-free transitions and protects the motor from sudden surges. Its built-in surge protection and stable operation under fluctuating voltages make it ideal for building management environments. This ensures smooth damper actuation, energy-efficient performance, and longer service life without disturbing sensitive sensors or control systems.
3. Motor Testing and Automation R&D Benches
In testing facilities, engineers need to run motors in alternating directions to evaluate durability and performance. The ELR W3-24DC/500AC-2 supports rapid direction changes without mechanical wear, offering accurate and repeatable results. Its ability to operate at high switching frequencies ensures reliable testing under dynamic load conditions. The optional thermal fuse provides added protection during prolonged testing cycles, keeping both the motor and contactor safe from overheating or excessive current draw.
4. Packaging Line Indexing and Motion Control
Modern packaging machines depend on precise step-by-step indexing drives. The ELR W3-24DC/500AC-2 enables rapid reversals and accurate motion positioning without causing backlash or vibration. Its compact design saves valuable control panel space, while LED diagnostics assist maintenance teams in identifying issues quickly. This efficient solid-state solution enhances throughput, reduces downtime, and keeps production lines running smoothly with consistent, quiet operation.
Related Products & Accessories – Phoenix Contact ELR W3-24DC/500AC-2
| Category | Product Name | Part Number | Description | Benefit / Compatibility Note |
|---|---|---|---|---|
| Thermal Fuse | Thermal Fuse TF104 | 2900796 | Temperature monitoring fuse for electronic load relays (ELR …/500AC series). | Protects the contactor from overheating; recommended for ELR W3-24DC/500AC-2. |
| Labeling Accessory (Card Type) | Plastic Label US-EMLP (15X5) | 0828790 | White, unmarked label card for BLUEMARK and THERMOMARK printers. | Allows durable and clear identification of control components. |
| Labeling Accessory (Sheet Type) | Plastic Label UC-EMLP (15X5) | 0819301 | Adhesive label sheet compatible with Phoenix Contact marking systems. | Enables consistent labeling across control cabinets. |
| Reversing Contactor (Higher Load) | ELR W3-24DC/500AC-4 | 2297303 | 4 A solid-state reversing contactor with similar design and functions. | Suitable upgrade for systems requiring higher load control. |
| Reversing Contactor (High Performance) | ELR H5-24DC/500AC-2 | 2905402 | Solid-state contactor variant for higher performance applications. | Ideal for demanding automation systems needing greater switching endurance. |
| DIN Rail for Mounting | Mounting Rail NS 35/7,5 AL | 1201733 | Aluminum DIN rail, 7.5 mm high, standard for Phoenix Contact devices. | Provides stable, vibration-resistant installation for ELR units. |
| Protective Cover | Protection Cover EMG 40 | 3002656 | Transparent safety cover for terminal blocks and modules. | Prevents accidental contact and enhances operator safety. |
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