Lowell RY-4A Classic Relay Module, 5A, 24VDC/250VAC, 4-DPDT Relays, 5-Inch L x 6.25-Inch W X 1.69-Inch D
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Condition: New
Description
Lowell RY-4A Classic Relay Module, 5A, 24VDC/250VAC, 4-DPDT Relays, 5-Inch L x 6.25-Inch W X 1.69-Inch D
The Lowell RY-4A Classic Relay Module is a general-purpose control interface designed for switching and automation applications in AV and low-voltage systems. It features four independent double-pole double-throw (DPDT) relays, allowing flexible control of multiple circuits within a compact module.
Built on a steel chassis with integrated mounting holes, the RY-4A supports activation via contact closures or voltage input from 5V to 24V AC or DC. It includes detachable Phoenix-style terminals for easy wiring, a test switch for troubleshooting, and a dedicated power supply for reliable operation.
Key Features
- Four independent DPDT relays: Enables multi-circuit switching and control
- 5A contact rating: Suitable for general-purpose switching applications
- Flexible trigger input: Supports contact closure or 5–24V AC/DC activation
- Integrated test switch: Simplifies troubleshooting and system verification
- Detachable Phoenix-style terminals: Provides convenient wiring and installation
- Steel chassis with mounting holes: Durable construction for panel or enclosure mounting
- Included power supply: 100–250VAC input with 24VDC 500mA output
- Compact module design: Suitable for AV and automation system integration
Technical Specifications
-
General
- Product Type: Relay Module
- Model: RY-4A
- Construction: Steel chassis with mounting holes
-
Electrical
- Relay Configuration: 4 × DPDT (Double Pole Double Throw)
- Contact Rating: 5A
- Trigger Input: Contact closure or 5–24V AC/DC
- Power Supply Input: 100–250VAC
- Power Supply Output: 24VDC 500mA
-
Connectivity
- Terminal Type: Detachable Phoenix-style terminals
-
Control
- Test Function: Manual test switch for troubleshooting
-
Physical
- Dimensions (L × W × D): 5.00" × 6.25" × 1.69"
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Installation & Mounting
- Mounting: Chassis with mounting holes for panel or enclosure installation
Use Cases
- AV system control and automation
- Signal routing and switching
- Equipment control interfaces
- Low-voltage control systems
- Custom control panels and enclosures
Package Contents
- Lowell RY-4A Relay Module
- Power Supply (100–250VAC to 24VDC 500mA)
Frequently Asked Questions
What is the Lowell RY-4A used for?
The Lowell RY-4A is a general-purpose relay module used for switching and control in AV, automation, and low-voltage systems.
How many relays are included in the RY-4A?
The RY-4A includes four independent DPDT relays for multi-circuit switching and control.
What is the contact rating of the Lowell RY-4A?
Each relay is rated for 5A contact switching.
What input signals can activate the relays?
The relays can be activated by contact closures or voltage input ranging from 5V to 24V AC or DC.
Does the Lowell RY-4A include a power supply?
Yes, it includes a power supply with 100-250VAC input and 24VDC 500mA output.
What features assist with installation and troubleshooting?
The module includes detachable Phoenix-style terminals for wiring and a test switch for troubleshooting.
