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The 8059 External Relay Modules supplement the output capabilities of certain host instruments such as the 8250 Level Transmitters and 8900 Multi-Parameter Controllers. AC-powered versions accept universal line voltage, and also provide 24 VDC output that can be used to power the host instrument or other device(s). The host instrument controls relay operation by way of a single S3L connection. The compact plastic housing is DIN rail mountable and includes LED annunciators for each relay, plus one each for power-on and data transfer or test mode.
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