Description: ST-ACR1 module is designed to switch on LINE-LEVEL sources. Its relatively short release delay time makes it the optimum choice for voice applications. Each of the ST-ACR products is an Audio Controlled Relay in the group of STICK-ON series products by Radio Design Labs. These products are designed for quick, convenient installation, and reliable operation in a variety of control applications.FeaturesHigh-impedance bridging input connects across any audio lineInput may be connected to either balanced or unbalanced sourcesMulti-turn sensitivity adjustment permits precise threshold settingMulti-turn DELAY control adjusts relay release delayBandpass filtering yields triggering on characteristic audio spectrumSECONDARY open-collector terminal allows additional relays to be added for more contacts (Radio Design Labs' ST-LCR1 or ST-LCR2)SECONDARY terminal may be used with remote switch to manually override the control circuit and turn on the relaySpecificationsAudio Input: 10 kΩ balanced bridgingInput Connections: May be connected balanced or unbalancedControl Output: Open-collector @ 100 mA Suitable to drive indicators or Secondary LCR'sIndicators: Audio threshold LED (for setting sensitivity level)Retrigger Delay: approximately 250 msRelay Contacts: Double-Pole-Double-ThrowMaximum Switching Power: 60 W, 125 VAMaximum Switching Voltage: 220 Vdc, 250 VacMaximum Switching Current: 2 AMaximum Carrying Current: 3 APower Requirement: 24 to 33 Vdc @ 50 mA, Ground-ReferencedInput Sensitivity: Adjustable -30 dBu to 0 dBu This provides switching at a -20 dB threshold for signals of -10 dBu to +20 dBuRelay Release Delay: Multiturn adjustable 0.5 sec. to 5.0 sec. nominalActivation Response Time: 25 msNote Radio Design Labs' PS-24AS power supply isNOTincluded but isrequiredin order to power this product. Please see the"Accessories"tab or click here for more information on the PS-24AS power supply.
Price: 141.93 USD
Location: Verona, Wisconsin
End Time: 2024-11-21T14:08:23.000Z
Shipping Cost: 0 USD
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Return shipping will be paid by: Buyer
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
Return policy details:
MPN: STACR1
Compatible Brand: Universal
Brand: RDL
Type: Audio Controlled Relay
Model: RDL ST-ACR1
