RDL ST-ACR1M
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RDL ST-ACR1M


Control Relay - Mic Level Input

BSW PART: STACR1M

RDL ST-ACR1M

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.

PS24AS power supply sold separately.

Main Features:
• Switching Controlled by Audio Signal
• Sensing of Microphone-Level Signal
• Silence Sensing
• DPDT Switching Contacts
• Open-Collector SLAVE Output

Specifications:

• 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, 2A0
• Activation response time:25 ms
• Input Sensitivity:-60 dBu to -20 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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