1. Electronic relay ER/U 1.1 contact TU/W 1.1 US/U 4.1 ER/U 1.1
Thermal actuator

2. Electronic relay ER/U 1.1
ER/U1.1 work together with US/U 4.1. and TU/W 1.1
TU/W 1.1
send telegram ON OFF
US/U 4.1
2 outputs for 2 ER/U 1.1
2 inputs for contact windows open/close
ER/U 1.1
for thermal actuators AC/DC V
parallel connecting of several actuators in parallel is possible

3. Electronic relay ER/U 1.1 switch thermal actuator for heating valve
Controlled by the US/U 4.1
suitable for AC- and DC voltage
Voltage V.
Nominal current: 0,5A resistive load
Max. starting current: 1,2A, 1min.
Connection:
Plugable screw terminal
connecting terminal white/yellow

4. Electronic relay ER/U 1.1
Connection diagram