ControlByWeb
(435) 750-5999
X-21s Four Relay Form C / SPDT Expansion Module

X-21s expansion module with four relays can be controlled over the internet with an X-400 or X-600M controller.

Purchase directly from ControlByWeb BUY ONLINE
Or purchase X-21s from an Authorized Distributor:

FRANCE

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QL3D

Address: 9 chemin de la Fosse, 78550 Bazainville

Phone: 01 34 91 90 20

UNITED STATES

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ControlByWeb (Buy Direct)

Address: 1681 West 2960 South, Nibley, Utah 84321

Phone: 1-435-750-5999