C.3 UL Standards
The UL/cUL mark applies to products in
the United States and Canada indicates that UL has
performed product testing and evaluation and determined that their stringent standards for
product safety have been met. For a product to receive UL certification, all components inside
that product must also receive UL certification.
U
L
C
R
US
LISTED
Figure C.7 UL/cUL Mark
u
UL Standards Compliance
This drive is tested in accordance with UL standard UL508C, E131457 and complies with UL
requirements. The following conditions must be met to maintain compliance when using this
drive in combination with other equipment:
n
Installation Area
Do not install the drive to an area greater than pollution severity 2 (UL standard).
n
Main Circuit Terminal Wiring
Yaskawa recommends using UL-listed copper wires (rated at 75 °C) and closed-loop
connectors or CSA-certified ring connectors sized for the selected wire gauge to maintain
proper clearances when wiring the drive. Use the correct crimp tool to install connectors per
manufacturer recommendation. Table C.4 lists a suitable closed-loop connector manufactured
by JST Corporation.
Table C.4 Closed-Loop Crimp Terminal Size (JIS C 2805) (same for 200 V and 400 V)
Wire Gauge
mm
2
(AWG)
Terminal
Screws
Crimp Terminal
Model Numbers
Tightening Torque
N m (lb to in.)
0.75 (18)
M3.5 R1.25-3.5 0.8 to 1.0 (7.1 to 8.9)
M4 R1.25-4 1.2 to 1.5 (10.6 to 13.3)
1.25 (16)
M3.5 R1.25-3.5 0.8 to 1.0 (7.1 to 8.9)
M4 R1.25-4 1.2 to 1.5 (10.6 to 13.3)
2 (14)
M3.5 R2-3.5 0.8 to 1.0 (7.1 to 8.9)
M4 R2-4 1.2 to 1.5 (10.6 to 13.3)
M5 R2-5 2.0 to 2.5 (17.7 to 22.1)
M6 R2-6 4.0 to 5.0 (35.4 to 44.3)
C.3 UL Standards
236
YASKAWA ELECTRIC TOEP C710606 25B YASKAWA AC Drive J1000 Installation & Start-Up Manual
2/6/2008-14:44
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