Microphone Level Audio Controlled Relay

Series:

Model: ST-ACR1M

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

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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.

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

Operating Temperature (Maximum): 131 F
Operating Temperature (Minimum): 32 F
Audio Input: 10 k ohm balanced bridging
Input Connections: May be connected balanced or unbalanced
Control Output: Open-collector @ 25 mA suitable to drive indicators or slave LCR
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: -65 to -20 dBu (adjustable)
Relay Release Delay: 0.5 to 5.0 sec
Power Requirement: 24 to 33 Vdc @ 50 mA

ST-ACR1 - Line-Level Controlled Relay

STS-RF1 - Shielded Chassis for STICK-ON Module

TX-PCR1 - Paging Controlled Relay

Microphone Level Audio Controlled Relay 1184 kb - Other

Project List

DRA-35S
STICK-ON DIN Rail Adapter

DRA-35S6
STICK-ON DIN Rail Adapter

DTB
STICK-ON® Series Detachable Terminal Block

MB-1
Mounting Kit - RU, ST and TX Series

MB-3
Kit to Mount ST, TX Series Modules on FP Panel

MSR-1
Snap Rail Adapter - STICK-ON Series

SMK-12
STICK-ON Mounting Plate

SR-10
STICK-ON Series Mounting Rack - 10 Modules

SR-12A
STICK-ON Series 19" Mounting Rack - 12 modules

SR-4
STICK-ON Series Mounting Rack - 7 Modules max.

STR-19A
STICK-ON Series Racking System - 12 Modules

STR-19B
Hinged 19-inch Rack Mount Panel

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