172QR Series Quad Relay Module Introduction The E-Plex 172QR Quad Relay Module contains four relay contacts in a small, din rail mountable box and connects directly to the E-Plex bus with no special interfacing. Each relay can drive up to 130VAC at 10A with no external components. The 172QR requires a third bus wire connection to supply power to the relays. The quad relay module’s operating range is from 10V to 30V on the E-Plex bus. Key Features • 10 Amp AC/DC switch capacity Wiring Specifications Pin # Connection Description • Self Diagnostics 1 Relay 1, Contact A • DIN rail mountable 2 Relay 1, Contact B 3 Relay 2, Contact A 4 Relay 2, Contact B 5 Relay 3, Contact A 6 Relay 3, Contact B 7 Relay 4, Contact A 8 Relay 4, Contact B • 4 independent channels • LEN value 3 Powering systems - Empowering designers

Powering Systems - Empowering Designers George Summers Close, Medway City Estate, Rochester, Kent ME2 4EL tel: +44 (0)1634 778704 Fax: +44 (0)1634 290773 email: [email protected] web: www.e-plex.co Important Notice: E-Plex Ltd. (E-Plex) reserves the right to make changes to or discontinue any product or service identified in this publication without notice. E-Plex advises its customers to obtain the latest version of the relevant information to verify, before placing any orders, that the information being relied upon is current. E-Plex assumes no responsibility for infringement of patents or rights...