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The HID GLOBAL CORPORATION 20NKS-03-019UH6 is a Signo 20 series smart card reader finished in black and silver, designed for access control applications in commercial and institutional environments. It reads smart card credentials and connects via a pigtail wiring lead, supporting a card profile form factor suited for standard access control panel integration. Security integrators and low-voltage electricians are the primary trades that specify and install this device as part of a broader access control system.
The Signo 20 reader is intended for use in commercial buildings, campuses, and facilities requiring credential-based door access control. Its pigtail connection style is compatible with typical access control field wiring practices, making it a straightforward replacement or new-installation reader for single-door and multi-door controller setups. The black and silver finish suits standard commercial hardware aesthetics.
Designed as an OEM-style smart card reader for commercial access control systems requiring a pigtail-wired card profile reader.
Installation is performed by licensed low-voltage technicians or security system integrators. Power down the access control panel and disconnect the door controller before connecting or replacing the reader. Follow NFPA 70 (NEC) low-voltage wiring requirements and the panel manufacturer guidelines for reader wiring and termination. Do not apply line voltage to the reader wiring leads.
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