D23MR30A - Cutler-Hammer Relay

D23MR30A - Cutler-Hammer Relay

The D23MR30A Cutler Hammer Type M relay is a 3-pole control relay designed for use in electrical control circuits where dependable switching and consistent contact operation are required. Rated at 10 amperes and up to 300V AC, this relay features reversible contacts, allowing flexibility in wiring configurations for various control applications. The unit is equipped with a 120V 60CY coil (Catalog 9-1989-1) and is built on the Type M frame, making it compatible with existing assemblies and legacy control systems designed around this format. Labels associated with this relay include D23MB, D26MPR, D26MPL, and D26MPS, indicating cross-reference compatibility within related relay configurations. Built to last and intended to maintain the original form and function of installed equipment, the D23MR30A serves as a practical replacement component in maintenance, repair, and system continuity applications.

Key Features and Benefits

• 3-Pole configuration: Designed for multi-circuit control applications
• 10 Ampere rating: Suitable for a range of control and switching tasks
• 300V AC maximum voltage rating: For standard industrial control environments
• Reversible contacts: Allow flexible wiring and contact orientation
• 120V 60CY coil (9-1989-1): For compatibility with common control voltage systems
• Type M frame design: Intended to match existing relay mounting and connections
• Cross-labeled catalog numbers: Including D23MB, D26MPR, D26MPL, and D26MPS
• Form, fit, and functional replacement: Designed for legacy electrical equipment
• Durable construction: Components built to last and suitable for ongoing maintenance of established systems
  

Technical Specifications

• Manufacturer: Cutler Hammer
  
• Part Number: D23MR30A
  
• Device Type: Control Relay
  
• Poles: 3
  
• Current Rating: 10 Amperes
  
• Maximum Voltage: 300V AC
  
• Coil Voltage: 120V 60CY
  
• Coil Catalog Number: 9-1989-1
  
• Frame Type: Type M
  
• Contact Type: Reversible Contacts
  
• Marked Catalog Numbers: D23MB, D26MPR, D26MPL, D26MPS
  
• Approx. Shipping Height: 2.38 in
  
• Approx. Shipping Weight: 3.5 lbs
  

Material Compliance and Certifications

• Manufacturing Standards: The D23MR30A relay was manufactured to meet applicable electrical manufacturing and safety standards in place for industrial control components at the time of production.
• Installation Guidance: Components are intended for installation and operation within properly rated electrical systems and enclosures. Always verify compatibility with the existing equipment specifications and applicable electrical codes when installing replacement components.
  

Where It Works Best

• The D23MR30A Type M relay is commonly used in industrial control panels, machinery control circuits, motor control assemblies, and other electrical control systems where a multi-pole relay is required. Its configuration and coil rating make it well suited for maintenance and repair of existing control equipment, particularly in systems originally designed around Type M relay frames and 120V control voltage circuits. Facilities maintaining long-standing electrical infrastructure often rely on components like this to keep control systems operating without modifying panel layouts or wiring configurations.