Schneider RUMC21F7 | Universal plug-in relay, 10 A, 2 CO, 120 V AC
1. Technical Specifications
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Model: Schneider RUMC21F7
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Type: Universal plug-in relay
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Relay Configuration: 2 C/O (changeover) contacts
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Control Voltage: 120 V AC
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Current Rating: 10 A
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Coil Voltage: 120 V AC
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Contact Type: Changeover (C/O) contacts, providing both normally open (NO) and normally closed (NC) contacts for flexible switching
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Mounting Type: Plug-in design, compatible with modular relay bases
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Relay Type: Universal mounting (RUM), offering broad compatibility with various control systems
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Housing Material: Thermoplastic for durability and resilience
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Protection Rating: Typically IP20 (protection against solid objects >12 mm)
2. Features
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Universal Mounting (RUM): The RUMC21F7 relay features universal mounting (RUM), making it compatible with a wide range of relay sockets and control systems, ideal for use in modular installations and easy to integrate into control panels.
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Dual Changeover Contacts (2 C/O): This relay comes equipped with two changeover contacts, offering both normally open (NO) and normally closed (NC) positions, enabling versatile control over multiple circuits or switching functions.
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High Current Rating: With a current rating of 10 A, this relay is suitable for controlling high-power circuits or devices, such as motors, lighting systems, and industrial equipment.
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120 V AC Control Voltage: Operates at a 120 V AC control voltage, making it ideal for medium-voltage AC control systems and applications that require a 120 V AC relay.
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Durable Construction: The thermoplastic housing ensures a high level of durability and protection for the internal components, making it suitable for a variety of environments, including industrial and commercial settings.
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Plug-in Installation: The plug-in design allows for easy installation and quick replacement without the need for complex wiring, ideal for efficient maintenance and upgrading.
3. Applications
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Industrial Control Systems: The RUMC21F7 is widely used in industrial automation systems, where reliable switching between different circuits or devices is required.
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Motor and Equipment Control: Suitable for motor control applications, this relay can manage the switching of motors, pumps, and other machinery in industrial processes.
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Lighting and Signaling: Can be used in lighting control systems and signaling applications, providing delayed or changeover control for circuits in commercial and industrial buildings.
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Alarm and Safety Systems: The relay is commonly found in alarm systems where the changeover contacts allow for the switching of alarms, sirens, and other safety devices.
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HVAC Systems: In HVAC systems, the relay can be used to control various system components such as fans, compressors, and heating elements with a precise switching function.
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Control Panels: A key component in control panels, where it allows operators to manage multiple circuits with one central relay, providing flexible control and ease of maintenance.


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