Lowell Manufacturing RY-4A 5A 4-Double Pole Double Throw Classic Relay Module
See all Lowell Manufacturing items

Lowell Manufacturing RY-4A 5A 4-Double Pole Double Throw Classic Relay Module

SKU: LWRY4A MFR: RY-4A
Be the first to review this itemAsk a Question
$359.04
OR
$60/mo suggested payments with 6‑month special financing. Learn how.
Earn VIP Reward Points

Key Features

  • Ensure seamless power transfer with this classic relay module for critical systems.
  • Safeguard your sensitive electronics using this surge protection power supply relay.
  • Enjoy reliable activation via contact closure or voltage input (5-24V AC/DC) relay.
  • This power relay accessory features a robust 5A contact rating for dependable use.
  • Get superior performance with 4 double-pole double-throw relays for complex tasks.
  • Compact design (5 x 3.28 x 1.69") makes this power supply easy to integrate into setups.
See More Product Details
Special Order?Estimated to Ship: 08/19/2025
Free Shipping

See Options

1
Add to ListGet Sale Alert

Protect your gear with Adorama Protect.* Learn more

1 Year

$35.99

2 Year

$64.99

3 Year

$94.99

Available to U.S. customers only.

Need help? Ask our experts.

Overview
Compare
Specs
Protection
Q&A

Questions & Answers

Reviews about this item

Review Summary

Select a plan in the Add Protection section above and purchase with this product by clicking “Add to Cart”.

image-protection

TRUSTED PROTECTION PLANS, EXCEPTIONAL SERVICE.

Invest In Your Gear and Peace Of Mind!

Accidents happen. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failures, and more.

Repair or Replacement

Repair or Replacement

If we can’t fix it, we’ll replace it at no additional cost.

Accidental Damage

Accidental Damage

Protect your product from drops, spills, and more.

Peace of Mind

Peace of Mind

Enjoy your gear without fear. We have you covered!

Failure Protection

Failure Protection

When regular use of your product over time results in mechanical or electrical failure.

Zero Deductible

Zero Deductible

We will never charge you a deductible after the purchase of a plan.

Customer-Focused Support

Customer-Focused Support

Our claims process is simple & easy and our customer service team is happy to help.

Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for international or U.S. territories purchases. Plans on open box items do not cover pre-existing damage.
Adorama Protect plans are available for ABS clients. If you have any questions or require assistanse, please call 800-223-2500

Browse our FAQ

See Terms & Conditions

Lowell Manufacturing RY-4A Specifications

  • Relays

    4 double-pole double-throw

  • Contact Rating

    5A 24VDC//250VAC

  • Activation

    Contact Closure Or voltage input (5-24V AC or DC)

  • Dimensions (LxWxH)

    Chassis: 5 x 3.28 x 1.69" (127.00 x 83.31 x 42.93mm)

  • Weight

    1.5 lbs (0.68kg)

  • UPC Code

    811859035286

About Lowell Manufacturing RY-4A

General purpose relay modules with 2 double pole double throw (DPDT) relays serve as reliable building blocks in a wide variety of applications.

Chassis
5"L x 1.69"H (3.28" or 6.25"W) steel chassis has a black finish and mounting holes. The enclosed design protects relays and components. 5A Contact Rating DPDT.

Independent Relays
• RY-4A has 4 relays
• Each relay is independent
• Each relay includes a test switch for troubleshooting
• Relays are activated by contact closures or voltage input (5-24V AC or DC)

Terminals
Detachable Phoenix-style terminals.

Power Supply
• 100-250VAC input
• 24VDC 500mA output

Warranty Information

This product has a limited warranty of 12 months.

Join VIP PRO

2 Day Delivery on thousands of items!

Sell or Trade your Gear

Get started in 3 easy steps

Key Features

  • Ensure seamless power transfer with this classic relay module for critical systems.
  • Safeguard your sensitive electronics using this surge protection power supply relay.
  • Enjoy reliable activation via contact closure or voltage input (5-24V AC/DC) relay.
  • This power relay accessory features a robust 5A contact rating for dependable use.
  • Get superior performance with 4 double-pole double-throw relays for complex tasks.
  • Compact design (5 x 3.28 x 1.69") makes this power supply easy to integrate into setups.

What's in the box:

  • Lowell Manufacturing RY-4A 5A 4-Double Pole Double Throw Classic Relay Module
  • Phoenix-Style Terminals
  • Power Supply
  • Lowell Manufacturing 1 Year Limited Warranty