Mechanical Installation - Siemens Micromaster 420 Operating Instruction

International English
2.3

Mechanical Installation

!
Warning
THIS EQUIPMENT MUST BE GROUNDED.
♦
To ensure the safe operation of the equipment, it must be installed and
commissioned by qualified personnel in full compliance with the warnings laid down
in these operating instructions.
♦
Take particular note of the general and regional installation and safety regulations
regarding work on dangerous voltage installations (e.g. EN 50178), as well as the
relevant regulations regarding the correct use of tools and personal protective gear.
♦
The mains input, DC and motor terminals, can carry dangerous voltages even if the
inverter is inoperative; wait 5 minutes to allow the unit to discharge after switching
off before carrying out any installation work.
4
Frame Size A:
160 mm
6.30"
73 mm
2.87"
Frame Size B:
149 mm
5.87"
Frame Size C:
185 mm
7.28"
Figure 2-1
20
173 mm
6.81"
149 mm
5.87"
202 mm
172 mm
6.72"
195 mm
7.68"
Drill pattern for MICROMASTER 420
55 mm
0.22"
160 mm
6.30"
Ø 4.5 mm
0.17"
Ø 4.8 mm
0.19"
7.95"
138 mm
5.43"
Ø 5.5 mm
0.22"
245 mm
9.65"
174 mm
6.85"
MICROMASTER 420 Operating Instructions
2. INSTALLATION
Fixing with
2 bolts M4
2 nuts M4
2 washers M4
Tightening torque (unit
to cabinet) with
washers fitted: 2.5 Nm
Connecting to DIN rail
Fixing with
4 bolts M4
4 nuts M4
174 mm
4 washers M4
6.85"
Tightening torque (unit
to cabinet) with
washers fitted: 2.5 Nm
Fixing with
4 bolts M5
4 nuts M5
4 washers M5
204 mm
8.03"
Tightening
torque (unit to
cabinet) with
washers
fitted: 3 Nm
6SE6400-5AA00-0BP0