Installation
Follow the steps below to mount the device on a DIN rail:
1. Loosen the knurled screw with your hand or a screwdriver.
2. Place the third housing guide of the device on the top edge of the DIN rail.
3. Using a screwdriver, pull the securing bar down as far as it will go.
4. With the securing bar pulled, swivel the device to the DIN rail and press it against the DIN rail
until the spring-mounted securing bar locks into place.
5. Tighten the knurled screw to secure the device additionally (torque 0.5 Nm).
6. Connect the device; see section "Connecting (Page45)".
Uninstalling
1. Turn o the power to the device.
2. Disconnect all connected cables.
3. If necessary, loosen the knurled screw with your hand or a screwdriver.
4. Using a screwdriver, pull down the catch on the rear of the device.
5. Pull lower part of the device away from the DIN rail.
Installation and removal
5.4Installing on the DIN rail
SCALANCE MUM853-1
40 Operating Instructions, 03/2023, C79000-G8976-C650-05