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RDL ST-ACR1M Mic-Level Audio Controlled Relay - Delay 0.5 to 5.0 Seconds

 
  • Dale #:

    RDL-STACR1M
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  • This item usually ships within 10-20 days after your order is placed. Your payment will be charged after completing checkout.

Please Note: requires PS-24AS Power Supply (sold separately)

Description

Each of the ST-ACR products 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-ACR-1M is designed to switch on low-level sources, such as microphones or mic-level ... Read More

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Description

Each of the ST-ACR products 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-ACR-1M is designed to switch on low-level sources, such as microphones or mic-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 -65 dBu and -20 dBu. The DELAY control sets the time required for the relay to release when the audio drops below the threshold. The adjustment range is from 0.5 seconds to 5 seconds.
    Features:
  • Switching Controlled by Audio Signal
  • Sensing of Microphone-Level Signal
  • Silence Sensing
  • DPDT Switching Contacts
  • Open-Collector SLAVE Output

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Product Specs

Audio Input:10 k 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, 2A0
Activation response time:25 ms
Input Sensitivity:-65 dBu to -20 dBu (adjustable)
Relay Release Delay:0.5 sec. to 5.0 sec. nominal (adjustable)
Power Requirement:GROUND-REFERENCED, 24 to 33 Vdc @ 50 mA*
* Assumes 20 mA max load at SLAVE
output
Ambient Operating Environment:0 degrees C to 55 degrees C

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