Modular Relays | Compact & Flexible Switching Solutions

High-Performance Modular Relays

Reliable Switching & Protection

Connectwell’s CRM Series High Performance Modular Relays are the benchmark in switching and protection solutions for electrical control panels. With a focus on reliability, versatility, and user convenience, these pluggable relays are engineered to meet the rigorous demands of Power, Process Control, Machine & Factory Automation, and Building Infrastructure applications.

The true modular architecture ensures fast installation, streamlined maintenance, and scalable integration—minimizing downtime while maximizing efficiency. Whether for critical control systems or high-frequency switching needs, CRM Series Modular Relays deliver consistent performance where failure is not an option.

Advantages

True modular design with IP20 safety rating

Superior V0 grade Flammability rated housing

True full contact rating at continuous operation

Superior relays with increased operational life

Superior aesthetics with consistent profile for 1CO, 2CO & 4CO modules

Enhanced electrical and mechanical durability

Universal input polarity simplifies wiring

Clear visual indicators for input coil and output load status

Built-in Override button for testing before installation

Highlight

1CO & 2CO Miniature relays

Compact. Compatible. Certified for Excellence.

Connectwell’s 1CO and 2CO Miniature Relays deliver dependable switching performance for automation, lighting, and industrial systems. Featuring compact designs with DIN rail and PCB mounting options, these relays offer universal voltage compatibility and low power consumption. With UL and CE approvals, high electrical endurance, and a pluggable design for quick replacement, Connectwell relays ensure long-lasting reliability across diverse applications.

2CO & 4CO Power relays

High capacity switching for demanding applications

Connectwell’s CRL Series 2CO and 4CO Power Relays deliver reliable, high-capacity switching for industrial control, motor operations, and power management systems. Featuring dual and quad changeover contacts, they offer maximum flexibility and control in complex applications. Engineered for superior electrical and mechanical endurance, they include secure mounting, and universal compatibility. UL and CE certified, these relays meet global safety standards, making them the trusted choice for demanding environments where performance and reliability are critical.

Modular Relay Sockets

1CO & 2CO - Secure & robust installations

Connectwell’s CRS Series 1CO and 2CO Sockets are designed for secure, high-performance integration with modular relays in industrial control and automation systems. Manufactured from flame-retardant polyamide, offer excellent thermal stability, electrical insulation, and durability. The compact, modular design enables space-efficient installation and simplified maintenance. Featuring strong terminal connections, these sockets ensure stable relay operation, superior conductivity, and reduced electrical wear. UL-approved and built to global safety standards, these sockets provide reliable performance in even the most demanding environments.

Modular Relay Sockets

2CO & 4CO - Reliable & Modular

Connectwell’s 2CO and 4CO Relay Sockets offer robust, flame-retardant polyamide construction for safe, long-lasting performance in industrial control systems. Designed for modular integration, they ensure secure plug-in connections, simplified wiring, and quick installation. The 2CO Socket supports dual changeover relays, while the 4CO variant handles complex, high-power switching. With UL approvals and a secure locking mechanism, these sockets provide superior compatibility, electrical safety, and durability across varied voltage applications.

Retainer Clip for All Sockets

Secure & reliable fixing

The Retainer Clip ensures a firm and secure hold for all Connectwell relay sockets, preventing accidental dislodging. Designed for high-vibration environments, it keeps relays securely fastened for reliable performance. Made from high-quality materials, it enhances the durability and stability of relay-socket connections. Its easy installation and removal make maintenance hassle-free. Ideal for industrial and automation applications, this clip is essential for secure relay operations.