Radio Design Labs - RDL ST-ACR1 Line-Level Audio Controlled Relay - 0.5 to 5 s

Power Supply
1 In Stock Price: $134.04
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Line-Level Audio Controlled Relay - 0.5 to 5 s Delay

The ST-ACR1 is an Audio Controlled Relay in the STICK-ON series. These products are designed for quick, convenient installation, and reliable operation in a variety of control applications. The ST-ACR1 is designed to switch on line level sources.

Two multiturn trimmers are provided. The SENS potentiometer adjusts the audio input sensitivity. A threshold LED facilitates accurate adjustment. The module can be set to trigger on signals between -30 dBu and 0 dBu. The DELAY control sets the time required for the relay to release when the audio drops below the threshold.

The delay adjustment range for the ST-ACR1 is from 0.5 seconds to 5 seconds.
  • Switching Controlled by Audio Signal
  • Sensing of Line-Level Signal
  • Silence Sensing
  • DPDT Switching Contacts
  • Open-Collector SLAVE Output
  • Audio Input: 10 kΩ balanced bridging
  • Input Connections: May be connected balanced or unbalanced
  • Control Output: Open-collector @ 25 mA suitable to drive indicators or slave LCR relay
  • Indicators: Audio threshold LED (for setting sensitivity)
  • Retrigger Delay: 250 ms
  • Contacts: Double-pole-double-throw
  • Max. Switching Power: 60 W, (220 Vdc,125 Vac, 2A)
  • Activation Response Time: 25 ms
  • Input Sensitivity: -30 dBu to 0 dBu (adjustable)
  • Relay Release Delay: 0.5 sec. to 5.0 sec. nominal (adjustable)
  • Power Requirement: GROUND-REFERENCED, 24 Vdc @ 50 mA*
  • * Assumes 20 mA max load at SLAVE output
  • Ambient Operating Environment: 0 C to 55 C
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Brand Radio Design Labs - RDL
Model ST-ACR1
Part Number ST-ACR1
UPC 813721011152
Product Category Compressors, Limiters & Gates
Unit of Measure EACH
Shipping Weight 0.20 lbs.
Manufacturer Link http://www.rdlnet.com/product.php?page=130
Page Views 7171
Radio Design Labs - RDL ST-ACR1 Line-Level Audio Controlled Relay - 0.5 to 5 s
$ 97.46 New Available online ST-ACR1
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