Relay Modules
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ETS URM-8 Universal Relay Module Eight Channels
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ETS URM-4 Universal Relay Module Four Channels
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ETS URM-1 Universal Relay Module Single Channel
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Bogen TERRA-8IO 8 Control Contacts Input and 8 Relay Output Interface
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Bogen TERRA-4IO 4 Control Contacts Input and 4 Relay Output Interface
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Bogen VAR1 Voice Activated Relay for 70V Paging Systems
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Bogen RIO1S Relay / Input / Output Transformer-Balanced Module