Siemens 3UG4 - Page 26

System overview
3.3 Connection methods
3UG4 / 3RR2 monitoring relays
26 Manual, 05/2016, NEB927043002000/RS-AC/004
Spring-loaded terminal for 3UG4 monitoring relay
Table 3- 4 Connecting the monitoring relay spring-loaded terminal
Step
Operating instruction
Figure
1 Insert the screwdriver into the
topmost (A) or bottommost (B)
operating slot on the right-hand
side.
2 Press the screwdriver up (A) or
down (B), then push it into the
operating slot as far as it will go.
The screwdriver blade keeps the
spring-loaded terminal open
automatically.
3 Insert the conductor into the oval
connection slot.
4 Remove the screwdriver. The
terminal closes and the
conductor is now securely
clamped.