Siemens SINUMERIK 802D sl - B.4 Information on Insulation Tests, Safety Class, and Degree of Protection

B.4 Information on insulation tests, safety class, and degree of protection
Standards and Approvals
B-236
SINUMERIK 802D sl Instruction Manual (BA), 05/2005 Edition
6FC5 397-0CP10-1BA0
B.4 Information on insulation tests, safety class, and degree of
protection
Test voltages
The insulation resistance is tested in a routine test using the following test voltage to
IEC 1131, Part 2:
Circuits with a rated voltage of U
e
to other
circuits or ground
Test voltage
0 V < U
e
v 50 V 500 V DC
Class of protection
Class of protection I to IEC 536 (VDE 0106, Part 1), i.e. connection to protective conductor
required!
Protection against ingress of solid foreign bodies and water
Degree of protection to IEC 529:
S CNC operator panel (PCU) IP65 (front)
IP00 (rear)
S Machine control panel (MCP) IP54 (front)
IP00 (rear)
S PP 72/48 I/O module IP00