
ST-LCR1 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $13.27 | Condition is Used, RDL ST-LCR1 Logic Controlled Relay - Fair Condition, FREE SHIPPING | ![]() |
![]() | $23.21 | Condition is Used, RDL ST-LCR1H High Power Logic Controlled Relay - Fair Condition, FREE SHIPPING | ![]() |
![]() | $19.95 | Condition is Used, (Assorted) Radio Design Labs Original Parts ***USED AS IS SEE DESCRIPTION*** RDL, shipping cost = $7.90 | 100.0% |
![]() | $24.95 | Condition is Used, RDL ST-LCR1 Logic Controlled Relay (9805-1 E) S1, shipping cost = $2.99 | ![]() |
![]() | $34.99 | Condition is Used, RDL ST-LCR1 High-Power Logic Controlled Relay STICK-ON Radio Design Labs 1 Unit, FREE SHIPPING | 99.6% |
![]() | $187.50 | Top Pick! Condition is Used, RDL Stick-On Audio Relay Mixer System 1U Rack ST-MX3 STD-600 ST-LCR1 w/ PSU, shipping cost = $5.99 | 99.3% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $29.00 | Top Pick! Condition is New, RDL ST-LCR1 Relay NEW, shipping cost = $11.95 | 100.0% |
![]() | $33.00 | Condition is New, RDL Radio Design Labs ST-LCR1 Logic Controlled Relay Momentary, shipping cost = $9.42 | 100.0% |
![]() | $44.88 | Condition is New, RDL ST-LCR1 Stick-Ons Logic Controlled Relay; 125 VAC; 2A, FREE SHIPPING | ![]() |
![]() | $39.99 | Condition is New, RDL STICK-ON ST-LCR1 LOGIC CONTROLLED MOMENTARY RELAY RADIO DESIGN LABS, shipping cost = $9.99 | 100.0% |
![]() | $49.00 | Top Pick! Condition is New, RDL ST-LCR1 Logic Controlled Relay/Momentary, FREE SHIPPING | 99.8% |
![]() | $99.99 | Condition is New, NEW RDL ST-LCR1H Stick On High Power Logic Controlled High Power Relay 8 A (G45), FREE SHIPPING | 99.8% |
![]() | $95.00 | Condition is New, RDL ST-LCR1 / STLCR1 - NEW, shipping cost = $8.75 | 98.9% |
![]() | $117.50 | Condition is New, RDL ST-LCR1H High-Power Logic Controlled Relay STICK-ON Radio Design Labs, shipping cost = $10.00 | 100.0% |
![]() | $175.00 | Top Pick! Condition is New, RDL ST-LCR1H / STLCR1H (NEW IN BOX), shipping cost = $9.99 | 100.0% |
![]() | $190.78 | Top Pick! Condition is New, RDL ST-LCR1H 8A DPDT Relay 5V 24V Open-Collector Speaker Switch, FREE SHIPPING | 99.8% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $29.99 | Condition is Open box, RDL STICK-ON ST-LCR1 LOGIC CONTROLLED MOMENTARY RELAY RADIO DESIGN LABS, shipping cost = $11.02 | 100.0% |
![]() | $56.16 | Condition is Open box, RDL ST-LCR1H High Power Logic Controlled Relay (Stick-On) R.D.L. New, shipping cost = $13.59 | 100.0% |
![]() | $120.00 | Condition is Open box, RDL ST-LCR1H High-Power Logic Controlled Relay STICK-ON Radio Design Labs, shipping cost = $16.28 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $86.30 | Condition is New – Open box, RDL ST-LCR1 / STLCR1 (NEW NO BOX), shipping cost = $12.90 | 99.7% |
![]() | $144.55 | Condition is New – Open box, RDL ST-LCR1H / STLCR1H (NEW IN BOX), shipping cost = $12.90 | 99.7% |

The RDL ST-LCR1 Logic Controller Relay Momentary Adapters are versatile and compact components designed to interface momentary switches with relay contacts in logic control applications. These adapters are manufactured by RDL, a leading name in the industry known for its high-quality and reliable electronic components.
The ST-LCR1 adapters are available in two configurations: Normally Open (NO) and Normally Closed (NC). Each adapter comes with a momentary switch terminal, a common terminal, and two normally open or normally closed relay contacts. The momentary switch terminal is designed to accept switches with a 0.156-inch (3.96 mm) pitch and a maximum current rating of 5 amps. The common terminal is used to connect the common or normally closed contact of the switch. The two relay contacts are used to switch loads on and off based on the momentary switch input.
The ST-LCR1 adapters are built with robust and durable materials to ensure reliable performance in demanding environments. They have a powder-coated steel housing that protects the internal components from dust, moisture, and other environmental hazards. The adapters are also RoHS compliant, making them an eco-friendly option for your logic control applications.
The momentary switch input of the ST-LCR1 adapters offers quick response times, making them ideal for applications where fast switching is essential. They are also easy to install, requiring only a few wires to be connected to the switch and the load. The adapters come with clear labeling on the terminals to facilitate easy identification and wiring.
The RDL ST-LCR1 Logic Controller Relay Momentary Adapters are a must-have for anyone looking to build or upgrade logic control systems. Their compact size, versatility, and reliability make them an excellent addition to any automation project. Whether you are working on a machine automation system, a security system, or a process control application, these adapters can help you get the job done efficiently and effectively.
RDL ST-LCR1 Logic Controller Relay Momentary Adapters are electrical components used to convert momentary push-button switches into contacts that can be controlled by a logic controller. Here are some pros and cons of buying these adapters:
Pros:1. Flexibility: These adapters provide a convenient and flexible way to convert momentary switches into contacts controlled by a logic controller, making it easier to integrate various types of switches into a control system.
2. Easy installation: The RDL ST-LCR1 adapters are easy to install as they simply plug into the logic controller's input module. No wiring or complex installation processes are required.
3. Durable: These adapters are built to last, with a robust design that can withstand industrial environments. They are also RoHS compliant, ensuring that they meet environmental standards.
4. Versatile: These adapters can be used in a variety of applications, including machine automation, process control, and HVAC systems. They can also be used with different types of logic controllers, making them a versatile option for various control systems.
Cons:1. Limited capacity: These adapters are designed for momentary switches and may not be suitable for use with maintained switches or heavy-duty applications.
2. Cost: Compared to other types of relays or contactors, these adapters may be more expensive on a per-unit basis. However, their ease of installation and flexibility can offset the cost for many applications.
3. Limited customization: These adapters are designed to work with standard momentary switches and may not be suitable for custom applications or non-standard switch sizes.
Conclusion:RDL ST-LCR1 Logic Controller Relay Momentary Adapters offer a flexible and easy-to-install solution for integrating momentary switches into control systems. While they may be more expensive on a per-unit basis than other options and may not be suitable for heavy-duty applications, their versatility and durability make them a worthwhile investment for many applications in automation, process control, and HVAC systems.
Recommendation:If you need to integrate momentary switches into a control system and require a flexible and easy-to-install solution, the RDL ST-LCR1 Logic Controller Relay Momentary Adapters are a recommended option. However, if you have heavy-duty applications, custom switch sizes, or require a more cost-effective solution, you may want to consider other options such as standard relays or contactors.
Details:
Used items may have scratches and/or missing pieces that do not interfere with the functionality of the item. Items do not come with adapters unless pictured/new in box.
specifications audioproequip:
- brand: Rdl
- mpn: St-lcr1
- model: Rdl St-lcr1
- type: Controller Realy
payments audioproequip:
- other
- wallet: google-pay
- credit card: diners-club
general audioproequip:
- category: Musical Instruments > Pro Audio Equipment Parts
offer audioproequip:
- availability: in stock
- options: ship-to-home
- best offers: true
- prices: $29.00–$190.78
- item condition:
- Used
- New
- Open box
- New – Open box
- started: february 19, 2025
- in stock #: 5
- sold #: 21
shipping audioproequip:
- type: fixed
- class: standard
- service: standard
- transit: 3-8 days
seller audioproequip:
- rating: 99.2%
- # reviews: 6303
- city: pawtucket, rhode island
returns audioproequip:
- policy: returns accepted
- time: 30 days
- method: money back
- paid by: seller





















