[dw_7xr81 high voltage terminal B, 1, en_US]
Connection via Ring-Type Lugs (M6)
•
Wire cross-section: 1.0 mm
2
to 2.6 mm
2
resp. AWG 16 to AWG 14
•
Stripping length: L = 9 mm (0.35 in) or L = 10 mm (0.39 in)
•
Permissible tightening torque at the terminal screw: 4 Nm (35 lb.in.) to 5 Nm (44 lb.in.)
•
Use copper conductors only.
Use the appropriate cable isolation for the application rated voltage (max. 2000 V).
Connection Data for Terminal A and B
[dw_7xr87 connection terminal a and b cable sleeve, 1, en_US]
Figure 4-3
Terminal A and B with Cable Sleeve
•
The minimum recommended conductor cross-section that can be crimped is 1.5 mm
2
(AWG 16) with and
without bootlace ferrule.
•
The maximum conductor cross-section that can be crimped is 4 mm
2
(AWG 12) with and without boot-
lace ferrule.
•
2 conductors with same cross-section, stranded, TWIN ferrules with plastic sleeve, max. 2.5 mm
2
(AWG 14)
•
2 conductors with same cross-section, stranded, ferrules without plastic sleeve, max. 1.5 mm
2
(AWG 16)
[dw_7xr87 connection terminal a and b stripping, 1, en_US]
Figure 4-4
Stripping Length and Ferrule Length
4.2.3
7XR87 Voltage Divider for Excitation Voltage
4.2 Connection Notes
50
SIPROTEC, Coupling Units for Generator Protection, Manual
C53000-H5040-C072-1, Edition 09.2018
