$ 168.36
Phoenix Contact ELR 1-SC-24DC/600AC-50 solid-state contactor. Reliable 50A switching, long service life, and zero-voltage protection for industry use.
The Phoenix Contact ELR 1-SC-24DC/600AC-50 solid-state contactor is built for precise switching of single-phase AC loads using a low-voltage DC control signal. Unlike mechanical relays, it works silently and without contact wear, extending service life and reliability. Compact at just 35 mm wide, it supports up to 50 A load current, offering dependable performance in energy-intensive environments. With zero-voltage switching and integrated surge protection, it minimizes inrush stress on connected devices. This makes it highly effective for modern automation, building systems, and industrial processes where stable, maintenance-free operation is critical.
The ELR 1-SC-24DC/600AC-50 uses semiconductor technology to provide smooth and reliable operation under tough conditions. It can handle a broad voltage range from 42 to 660 V AC while maintaining efficiency and safety, even at higher ambient temperatures. An LED indicator provides quick status feedback, simplifying monitoring and troubleshooting. Its DIN rail mounting design makes installation straightforward, while the absence of moving parts reduces servicing needs. In daily use, it helps extend equipment life, reduce downtime, and improve system efficiency—delivering a cost-effective solution for industries that demand consistent, durable, and energy-efficient switching.
Why Phoenix Contact ELR 1-SC-24DC/600AC-50?
The Phoenix Contact ELR 1-SC-24DC/600AC-50 is chosen for its unmatched reliability, silent switching, and extended service life. Unlike mechanical relays, it operates without wear, making it ideal for continuous duty. Its compact form, high current capability, and built-in protection features ensure smooth performance in industrial and automation environments where uptime is critical.
What problem does it solve?
This solid-state contactor eliminates the common failures of electromechanical relays, such as contact erosion, noise, and frequent maintenance. By using zero-voltage switching and robust semiconductor technology, it prevents inrush stress, reduces downtime, and ensures safe, efficient load control. The result is consistent operation in systems that cannot afford interruption or costly service delays.
| Feature | Details | Benefit |
|---|---|---|
| Control Voltage | 24 V DC (range 4–32 V DC) | Flexible input ensures compatibility with automation systems |
| Rated Operating Current | 50 A (AC-51) | High current handling for industrial loads |
| Operating Voltage Range | 42–660 V AC | Wide range supports diverse applications |
| Switching Technology | Zero-voltage switching | Protects loads from inrush surges, extends equipment life |
| Protective Circuit | Integrated Varistor | Provides built-in surge protection for safe operation |
| Operating Temperature | -30 °C to +70 °C | Reliable performance in harsh industrial conditions |
| Mounting | DIN rail, vertical | Easy installation and compact panel integration |
| Indicators | Green LED status display | Quick diagnostics and status visibility |
| Standards Compliance | EN 61000-4, UL, cULus, EAC | Meets global safety and EMC standards |
| Connection Type | Screw terminals (control and load) | Secure wiring for long-term stability |
Download ELR 1-SC-24DC/600AC-50 1032926 Datasheet
| Commercial Data | Details |
|---|---|
| GTIN Number | 4055626536897 |
| Traffic Number | 85364190 |
| Weight | 519.6 g |
| Country of Origin | MT (Malta) |
In extrusion and molding plants, heaters must maintain exact temperatures to keep material quality consistent. Mechanical relays often wear out quickly under constant switching, causing downtime and uneven heating. The ELR 1-SC-24DC/600AC-50 solid-state contactor provides rapid, contact-free switching that prevents thermal overshoot. With zero-voltage activation and built-in protection, it reduces stress on heating elements, improves energy efficiency, and ensures stable product quality over long production runs.
In automated factories, conveyors and motors are frequently started and stopped, which puts stress on mechanical relays. Sparks, vibration, and component wear can lead to unexpected failures. Using a solid-state contactor allows silent and wear-free switching, even at high current levels. The ELR 1-SC-24DC/600AC-50 is designed to handle repetitive cycles reliably, ensuring smoother operation, reduced maintenance interruptions, and longer equipment life in packaging lines or distribution centers.
In renewable energy installations, smooth load transfer is crucial to protect sensitive equipment like inverters and batteries. Mechanical devices can introduce arcs or delays, risking system instability. With a wide AC voltage range and strong surge suppression, the ELR solid-state contactor offers safe, immediate switching between different energy sources. Its semiconductor design ensures fewer failures, reduces maintenance costs, and provides higher reliability in solar or wind systems where uptime is essential.
Large-scale air conditioning and ventilation systems require reliable switching of compressors and fans that draw heavy currents. Traditional contactors often suffer from wear, audible noise, and contact bounce, leading to costly service interruptions. The ELR 1-SC-24DC/600AC-50 offers silent operation, clear status indication, and stable performance in environments with frequent cycling. This enhances comfort, reduces energy waste, and minimizes downtime, making it a practical choice for commercial buildings and industrial climate control.
| Category | Model / Name | Article Number | Description / Benefit |
|---|---|---|---|
| Alternative Model | ELR 1-SC-24DC/600AC-30 | 1032921 | 30 A DC-input solid-state contactor, ideal when lower current capacity is sufficient. |
| ELR 1-SC-24DC/600AC-20 | 1032919 | 20 A DC-input version, compact choice for smaller loads. | |
| ELR 1-SC-230AC/600AC-50 | 1032927 | 50 A AC-input version, designed for systems with AC control signals. | |
| ELR 1-SC-230AC/600AC-30 | 1032922 | 30 A AC-input version, balancing current capacity with AC control flexibility. | |
| Accessory | Solid-state relay module | 2900375 | Interface relay module for signal-level switching or triggering larger contactors. |
| Protective varistor module | Phoenix accessory | Provides additional surge suppression for extended equipment protection. | |
| DIN rail mounting kit | Phoenix accessory | Ensures easy, secure, and standardized installation in control cabinets. |
For expert guidance before placing your order.
Warranty – 1-year warranty for your peace of mind.
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Technical Support – Contact us for professional after-sales technical assistance.
