Crydom H-A Series Solid State Relay, 125 A, Panel Mount, 530 V AC Load, 280V Control HA48125

Crydom HA48125 is an advanced, panel-mount solid state relay engineered for high-reliability switching tasks in demanding industrial and automation environments. Part of the H-A Series, this relay supports an impressive maximum load current of 125A at up to 530V AC, making it ideal for powerful industrial machinery, HVAC systems, process automation, and manufacturing lines.

The HA48125 provides a wide load voltage range from 48V to 530V AC, accommodating diverse circuit designs and operational requirements. Integrated zero voltage switching ensures minimized electrical noise, protection of sensitive electronic components, and longevity of connected systems.

Designed for panel mounting, the relay features durable screw terminals, streamlining installation and wiring in control cabinets and distribution boards. With a control voltage range of 90V to 280V AC, it offers exceptional compatibility with a variety of industrial control signals.

Capable of switching high current loads - up to 125A - suitable for large motors, heaters, lighting, or three-phase industrial equipment. SCR output design delivers high-speed, reliable switching with reduced wear compared to electromechanical relays.

IP20 protection rating ensures operator safety and protects internal components against accidental contact and dust ingress. Robust thermal performance: operates reliably in temperatures from -40°C up to 80°C, supporting continuous use in challenging conditions.

Backed by major industry certifications including UR, RoHS, and CSA for suitability in regulated and safety-critical applications. Compact design with a height of 23 mm, length of 45.7 mm, and width of 22.6 mm fits efficiently in densely populated panels.

This solid state relay is frequently deployed in industrial automation, building management, process control, heavy machinery, and HVAC sectors. Its consistent performance, minimal maintenance requirements, and compliance with international standards make it a preferred solution among control engineers and OEMs.

Typical use cases include switching large heaters, controlling industrial lighting banks, operating high-current motors, and integrating with modern PLCs and control systems. The Crydom HA48125 is engineered for applications demanding near-instant switching, long service life, and enhanced reliability compared to traditional electromagnetic relays.

Explore more automation relays and electrical control solutions in the Solid State Relays category on EnvMart.