Siemens 3AD8 User Manual

KMS-0021
21
2022-02-10
Fig. 9 Operator Control Panel
1 Radio Tray
2 Operator Control Panel
3 Operator Control Panel Connected to Expansion Interface
3.3.3 Power Supply Isolation Unit
Power Supply Isolation Unit (part 3AD8800-3AX1350-8B) is an optional accessory that provides a
double pole point of isolation for the electronics housing and the cubicle heater. Where an isolator
is fitted, the incoming mains is connected to the isolator and the isolator provides sockets for the
electronics assembly and for the heater
DANGER
Electrical hazard – Danger to life!
The isolation unit is required if-
 The RCU is mains powered and if it is preferred to provide a point of isolation inside the cubicle
for changing the electronic housing. Note that the user will still need to provide a point of isolation
for the wiring to the RCU.
 A cubicle heater is fitted.
The isolation unit is not an applicable option for a solar powered RCU.
3
2
1

Siemens 3AD8 Specifications

General

Brand	Siemens
Model	3AD8
Category	Control Unit
Language	English