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The ALTRONIX CORP EFLOW3NB is a replacement board for access power supply systems. It serves as the core control component within compatible Altronix access power supply enclosures, managing power distribution to access control devices such as electric locks, door controllers, and request-to-exit hardware. Licensed security and low-voltage electricians are the primary installers of this board. The EFLOW3NB is sold as an individual unit and is intended as a direct drop-in board replacement to restore full system functionality without replacing the entire power supply assembly.
This replacement board is suited for commercial and light industrial access control installations where power supply continuity is critical. It is typically installed in environments running structured access control systems that require reliable, regulated power delivery. Technicians working on system upgrades, failure diagnostics, or board-level repairs will find this component relevant to restoring or expanding existing Altronix access power supply infrastructure.
Designed as an OEM-style replacement board for compatible Altronix access power supply enclosures. Refer to the Altronix EFLOW3NB product data sheet and the enclosure documentation to confirm fitment before ordering.
Installation should be performed by a licensed low-voltage electrician or qualified access control technician. De-energize the power supply enclosure completely and disconnect all load wiring before removing or installing the board. Follow applicable NEC low-voltage wiring guidelines and local jurisdictional requirements. Do not power up the assembly until all connections are secured and inspected.
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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