2
02
0-
12
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 marked (X).
Figure 2.8 Removable terminal blocks with different heights
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
15.1
15.1
15.1
15
15.1
10.1
15.5
1
5
2
3
4
X
Note
See corresponding datasheets for further information.