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The ALPHA COMMUNICATIONS SS102A is a pigtail-style step-down transformer designed to convert 16 volts AC input to a 10-volt output for use in intercom and low-voltage communication systems. This compact transformer provides a straightforward, hardwired connection via its pigtail leads, making it well suited for retrofit and new-installation work where a dedicated low-voltage supply is required. It is sold as a single unit and is typically installed by low-voltage technicians or experienced electricians working on intercom infrastructure.
This transformer is used in intercom accessory applications where a reliable stepped-down AC voltage source is needed. It fits residential and light commercial intercom setups where the main power feed runs at 16 volts AC and downstream components require 10-volt AC power. The pigtail configuration allows flexible routing and connection in confined enclosure spaces or wall-mount installations common in intercom work.
Designed as an OEM-style replacement or accessory transformer for low-voltage intercom systems requiring a 16-volt AC to 10-volt AC conversion.
Installation should be performed by a qualified low-voltage technician or licensed electrician in accordance with NEC low-voltage wiring guidelines. De-energize the intercom system and disconnect power at the source before handling or connecting the transformer leads. Verify input voltage at the supply point matches the 16-volt AC rating before making connections. Secure pigtail leads with appropriate wire connectors and ensure no bare conductors are exposed after termination.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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