SQUARE D 8501XO40V02 Control Relay 8501XO40V02

Description:

The Square D 8501XO40V02 Control Relay is an electromechanical switching device used in electrical control systems to switch circuits based on input control signals. Installed in industrial control panels, automation systems, and machinery where logic output needs to drive loads like contactors, solenoids, or indicator circuits. Maintenance teams and integrators use this relay for replacement, retrofit, and control system upgrades to ensure reliable signal switching and isolation between control and load circuits.

Applications:

The SQUARE D 8501XO40V02 control relay is used in motor control panels, HVAC systems, pump panels, conveyor controls, and general automation to interface between low‑power control logic and higher‑power loads. It is deployed in manufacturing plants, packaging lines, building management systems, and process control installations to switch electrical loads, provide signal amplification, and support control logic isolation. The relay provides dependable electrical switching for a range of control tasks.

Technical Specifications:

• Manufacturer: Schneider Electric / Square D
• Model / Part Number: 8501XO40V02
• Product Type: Control Relay (electromechanical)
• Contact Configuration: Typically 4‑Form‑C (4 changeover contacts)
• Coil Voltage: 24 V DC (common control input)
• Contact Rating: ~10 A @ 250 VAC / 30 V DC (model dependent)
• Mounting: Socket or panel mount (depending on installation)
• Termination: Screw or plug‑in socket connections
• Indicators: Optional coil status indicator (model dependent)
• Operating Temperature: Standard industrial range
• Insulation: Standard industrial control insulation ratings
• Application: Switching control logic circuits and interfacing loads

Common Replacements:

• Square D 8501FHG33V02 
• Square D RXM2AB2BD 
• Omron MY4N‑DC24