D23MR40A - Cutler-Hammer Relay

D23MR40A - Cutler-Hammer Relay

Upgrade your control panels with the Cutler-Hammer D23MR40A, also known as the Eaton Type M relay—an industrial-grade, 4-pole relay that delivers dependable performance in demanding environments. Built to handle up to 300 VAC on switched circuits, this versatile relay is perfect for HVAC systems, motor control, automation setups, and PLC-driven processes. Whether you're doing a retrofit or building an original OEM system, the D23MR40A gives you reliable, repeatable switching you can count on every time.

Key Features and Benefits

• 4 Normally-Open (N.O.) Contact Poles: Simplifies logic switching and makes wiring control circuits straightforward.
• 10 A Contact Rating at 300 VAC: Handles heavier loads with ease, ensuring smooth operation even under strain.
• 120 VAC Coil (50–60 Hz): Compatible with standard industrial control voltages, reducing your need for extra power supplies.
• Modular Type M Design (Panel or Socket Mount): Easy to install and service, making maintenance a breeze without sacrificing panel space.

Technical Specifications

• Contact Form: 4 N.O. poles
• Contact Rating: 10 A @ 300 VAC
• Coil Voltage: 120 VAC
• Coil Frequency: 50 – 60 Hz
• Mounting Options: Panel mount or socket-based Type M
• Availability: New, surplus, refurbished units

Material Compliance and Certifications

• Industry Standards: Manufactured by Eaton, the D23MR40A meets recognized industrial safety and performance standards. Sourced from Eaton/Electrol Supply-certified inventories, each unit reflects the original factory build quality.
• Trademarks: All manufacturer trademarks are used strictly for product identification purposes.

Where It Works Best

• Industrial Automation & Control Panels: Integrate with PLCs, timers, and control logic systems for reliable automation performance.
• Motor Control Applications: Ideal for motor start/stop circuits and relay-based motor control schemes.
• HVAC, Conveyor, Machine Tools: Easily supports mid-range loads in process control or environmental systems.
• OEM Builds & Retrofits: Perfect for enhancing or replacing existing setups with a cost-effective yet dependable relay.