72
A
Leakage Current Tester 92-4A, -4D, -4E, -4G
MODIFICATIONS
IV
Modifications
IV.i
External supply via multiple connector
X4
- 3pole plug con PE
Pin
1
-
L
connection for external supply of IUT
Pin
2
-
N
connection for external supply of IUT
Pin
3
-
PE
connection for external supply of IUT
PE
-
not connected
Attention:
If the test object is to be operated floating at an external power supply, then
Pin 2 (N) must be jointed with Pin 3 (PE). If the Pins are not connected
with each other is no measurement possible (missing reference potential).
Note:
The description for the connection of the external supply of the test object
is found in Chap. 3.5.
A3.2
X16 4pole circular plug l1, n, pe, vi connection
Pin
1
l1 Phase connection for test object
Pin
2
n N connection for test object
Pin
3
vi connection of the housing (with protective insulation)
Pin
4
pe connection of the housing
Note: Exclusive in device 92-4A ZM89872, from 2014.
Illustr. IV.1: Rear panel of 6 HU-Leakage Current Measuring Unit