Custom Relay Panels to Your Specifications

Ed Combs
By Ed Combs
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Our AS9100D / ISO9001:2015 Value-Added services are designed to meet the unique demands of modern electrical systems, offering high-quality customized solutions, cost savings, and enhanced efficiency for supply chains. At Peerless Electronics, every component purchase is supported by over 50 top-notch service solutions, including custom relay and contactor panels, transforming every order into a customized experience.

Custom relay and custom contactor panels are invaluable tools in industrial and specialized electrical applications, providing optimized control, reliable operation, and streamlined system integration to meet operational needs safely and efficiently. Our value-added custom relay and contactor panel solutions offer tailored design, superior space optimization, enhanced performance, safety, flexibility for future expansion, simplified troubleshooting and maintenance, and more to optimize control and power management.

What is a Custom Relay Panel?

Relays allow a low-power signal to control a higher-power circuit to isolate and protect sensitive control systems from high-power loads. When multiple relays are needed to operate complex industrial or automation systems, a tailored relay panel customized for the specific application can manage the signals or input by routing, isolating, or controlling them across multiple devices. In these panels, the relays isolate control signals from high-power circuits, acting as intermediaries to protect sensitive control electronics from high-voltage currents. 

In industrial settings, custom relay panels are essential for isolating control signals from high-power circuits to protect sensitive electronics while enabling efficient load switching (for equipment like motors and pumps) and supporting sequence control for orderly operations. These panels also enhance safety through fault isolation and protective features, such as fuses and breakers, while also allowing for integration with automation systems like PLCs and SCADA, which enables remote operation and centralized monitoring across industrial networks.

Custom Relay and Contactor Panels

Both custom relay and custom contactor panels help optimize electrical systems, sharing core features of control, safety, integration, customization, reliability, and maintenance-friendly design. The main differentiating factor between the two is their power-handling capacities, as relays are generally used for lower power applications and contactors for higher power demands. 

As a leading stocking distributor to customers in industrial electronics, aerospace, military/defense, and more, Peerless Electronics designs customized relay panels (or contactor panels), tailoring each to meet an application's unique demands using relays, contactors, and other components from the world’s leading manufacturers. Our experts can create application-ready solutions that address specific space, performance, safety, or expansion requirements. Each customized panel is designed to provide optimized control, reliable operation, and efficient system integration, including clear labeling, accessible components, and modular setups to simplify maintenance and troubleshooting.

Uses of Relay Panels

Custom relay panels are instrumental to numerous industrial electrical applications to protect, control, and automate systems. Following are some examples from various sectors:

Manufacturing

Customized relay panels help control and automate machinery, converter belts, and robotic systems in manufacturing processes, enabling specific functions to operate in a designated order through programmed sequences.

HVAC

Custom relay panels designed for HVAC systems provide control, automation, and protection. Supporting precise control over components like compressors, fans, blowers, pumps, and heating elements, a customized relay panel helps support efficient energy management while protecting components from overcurrents, overloads, and short circuits.

Water Treatment

Large-scale water treatment facilities rely on custom relay panels to efficiently and safely operate pumps, compressors, and filtration systems. By optimizing pump performance, load management, and system diagnostics, these relay panels contribute to the safe, reliable, and energy-efficient operation of water treatment processes.

Industrial Lighting

Customized panels support centralized control over complex lighting systems in stadiums, factories, and warehouses. For example, warehouses often have multiple zones with varying lighting requirements, including loading docks, storage areas, or picking zones. Custom relay panels offer independent zone control, so lighting and scheduling can be tailored to the needs of the space.

Energy

Custom protective relay panels help operate and protect equipment like transformers and circuit breakers in power systems. Energy generation, transmission, and distribution are prone to high voltages and currents, so these panels are designed to provide control, protection, and fault isolation to maintain system stability and safety.

The Benefits of Having Customized Relay Panels

Unlike standard relay panels, customized versions are tailored to meet specific operational needs, environmental conditions, and safety and space requirements, optimizing system performance while enhancing efficiency, reliability, and ease of maintenance. Custom relay panels can also be designed for scalability, allowing for easy integration of additional circuits, components, or controls as operational needs expand or change. Furthermore, integrating high-quality components and tailoring designs to withstand specific environmental conditions, like humidity or dust, ensures longevity and increases reliability. 

Highly Customized Relay Panels By Peerless Electronics

Peerless Electronics supports every purchase with over 50 Value-Added services, including custom relay panels or customized contactor panels. We understand that some applications have unique requirements that only a tailored relay panel can address to ensure efficiency, safety, and optimal system operation. From requirements analysis and specification to system design and planning to panel assembly and wiring, our highly experienced team works with you through a structured approach to ensure your customized relay or contactor panel meets the application’s unique needs, providing safe, efficient, and reliable control.


The Peerless custom relay panel (or contactor panel) value-add service, which includes custom-tailored technical support, provides quick turnarounds to save time, maintain workflow, lower costs, and allow customers to allocate their workforce as needed elsewhere. At Peerless Electronics, customization, quality, and service are paramount to doing business the right way - by putting our customers first.

FAQs

How do environmental factors like temperature and humidity affect the performance of relay and contactor panels?

These factors can affect electrical components' reliability and longevity, leading to operational issues if not properly managed. A customized relay panel or contactor panel can address environmental impacts by utilizing components rated for the application’s temperature extremes and enclosures with proper insulation, like built-in ventilation, cooling systems, or panel heaters to maintain safe operating temperatures. 

What are the typical load capacities for custom relay and contactor panels?

The load capacities for custom relay and contactor panels can vary widely based on the specific application, industry requirements, and the type of controlled equipment. Typical load capacities are measured in terms of the current/amps and voltage the custom panel can handle.

How do pre-wiring and pre-mounting impact installation time and cost for custom relay panels?

Pre-wiring and pre-mounting components in custom panels can significantly reduce installation time and costs due to improved efficiency, minimized labor, and reduced potential for on-site errors.