Pepperl+Fuchs KCD2-SCS-Ex2.SP System Manual page 12

K-System – Isolated Barriers
Product Specifications
Protection against direct contact
The removable terminal blocks have different heights:
• Height 15 mm (1), (2), (3): These terminal blocks are used in applications that have rated
voltages lower than 50 V AC. The insulation of the removable terminal blocks provides
protection against direct contact. The insulation corresponds to a reinforced insulation
according to EN 61010-1 for a rated insulation voltage of 50 V AC.
• Height 15.5 mm (4), (5): These terminal blocks are used in applications that have rated
voltages higher than 50 V AC. The insulation of the removable terminal blocks provides
protection against direct contact. The insulation corresponds to a basic insulation
according to EN 61010-1 for a rated insulation voltage of 300 V AC. The higher terminals
are X marked.
Figure 2.9
1 Terminal block with screw terminals, height 15 mm
2 Terminal block with screw terminals and test sockets, height 15 mm
3 Terminal block with spring terminals and test sockets, height 15 mm
4 Terminal block with screw terminals and test sockets, height 15.5 mm
5 Terminal block with screw terminals, height 15.5 mm
X Marking
Note
See corresponding datasheets for further information.
12
1 2 3
15.1 15.1 15.1
Removable terminal blocks with different heights
4 5
10.1 15.1
X