RDL ST-LCR3 – Dual Alternate Pulse Logic Controlled Relay
RDL ST-LCR3 – Dual Alternate Pulse Logic Controlled Relay is backordered and will ship as soon as it is back in stock.
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RDL ST-LCR3 – Dual Alternate Pulse Logic Controlled Relay
What is the RDL ST-LCR3?
The RDL ST-LCR3 is a logic controlled relay that produces separate momentary pulses at the start and end of a single control signal. It suits AV control tasks that need on and off commands from one logic input.
How does it work?
When the input first becomes active, the START PULSE output triggers; when it becomes inactive, the END PULSE output triggers. Two logic inputs are available: Terminal 1 activates when pulled to ground, and Terminal 3 activates with a positive voltage from 3.3 to 24 Vdc. Each pulse is provided as single-pole relay contacts rated 60 W (2 A) and as an open-collector output at 25 mA for indicators or slave relays. The module requires ground-referenced 24 Vdc at 100 mA, such as from the RDL PS-24AX.
What are the key features?
- Start and end pulses — One control signal produces separate pulses when it begins and ends.
- Active high or low inputs — Inputs accept ground closures or 3.3 to 24 Vdc logic.
- Relay and open-collector outputs — Each pulse is available as contacts and as an open-collector output.
- Switch or logic control — Pushbuttons, switches or logic circuits can drive the module.
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- Most in-stock orders placed Monday-Friday ship within 24-48 hours. General restrictions apply; please see our full shipping policy here.
- We offer a 30-day return policy from the delivery date on many products. Product restrictions apply. Restocking fees for the return of open-box items. Please see our full return policy here for more information.
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