Wiring Rules - Siemens SIMATIC TP900 Comfort INOX PCT Compact Operating Instructions

Mounting the device

3.4

Wiring rules

Introduction

Use suitable cables when connecting the device. The table below provides the wiring rules.

Power supply

Permitted cable cross-sections of solid cables (Cu)

Permitted cable cross-sections of flexi-

ble cables (Cu)

Number of wires per connection

Stripped length of the wires

End sleeves according to DIN 46228

Sheath diameter

Tool

Connection system

Tightening torque

* American Wire Gauge

Ambient and cable temperature

Note

Permissible cable temperatures

At the max. ambient temperature of the device, you must select sufficiently large wire cross-

sections so that the permissible cable temperatures are not exceeded.

Example:

• At an ambient temperature of 50° C, a current of, for example, 0.85 A per wire and a

cross-section of 1.5 mm² Cu, a connecting cable must be rated for a temperature range

of at least 70° C.

26

Wiring rules for ...

Without wire end sleeve

With end sleeve

without plastic sleeve

with plastic sleeve

Power supply

-

-

1.5 mm

2

AWG

: 16

*

1.5 mm

2

AWG

: 16

*

1

7 to 8 mm

Design A, 7 mm long

Design A, 7 mm long

8.5 mm

3 to 3.5 mm screwdriver, conic design

Screw terminal

from 0.5 Nm to 0.6 Nm

Compact Operating Instructions, 05/2018, A5E38804191-AA

Comfort Panels INOX PCT