ER-1 External Relay with SPDT Relay – #800-5604 – SPECIAL ORDER
The CIRCUITRON ER-1 is a circuit consisting of a 2 amp relay, single pole double throw in the case of the ER-1, and all the necessary driver circuitry to enable them to be directly connected to the output of any CIRCUITRON Detection Units. The relay contacts can be used to control AC or DC circuits and are ideal for use with CIRCUITRON Block Occupancy Detectors to provide automatic train control. The ER-1 has 12 volt relays and require a supply voltage of 11 to 14 volts DC. The ER-1 presents a negligible load on the Detection Unit to which it is connected as the control current is only around 2 milliamps.
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