D.2 UL Standards
The UL/cUL mark applies to products in the United States and Canada. It 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.
Figure D.1 UL/cUL Mark
u
UL Standards Compliance
This drive is tested in accordance with UL standard UL508C and complies with UL requirements. The conditions described
below 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 degree 2 (UL standard).
n
Main Circuit Terminal Wiring
Cable Connectors
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 D.1 lists a suitable closed-loop connector manufactured by JST
Corporation.
Table D.1 Closed-Loop Crimp Terminal Size (JIS C 2805)
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)
3.5/5.5 (12/10)
M4 R5.5-4 1.2 to 1.5 (10.6 to 13.3)
M5 R5.5-5 2.0 to 2.5 (17.7 to 22.1)
M6 R5.5-6 4.0 to 5.0 (35.4 to 44.3)
M8 R5.5-8 9.0 to 11.0 (79.7 to 97.4)
8 (8)
M4 8-4 1.2 to 1.5 (10.6 to 13.3)
M5 R8-5 2.0 to 2.5 (17.7 to 22.1)
M6 R8-6 4.0 to 5.0 (35.4 to 44.3)
M8 R8-8 9.0 to 11.0 (79.7 to 97.4)
14 (6)
M4
14-4
<1>
1.2 to 1.5 (10.6 to 13.3)
M5 R14-5 2.0 to 2.5 (17.7 to 22.1)
M6 R14-6 4.0 to 5.0 (35.4 to 44.3)
M8 R14-8 9.0 to 11.0 (79.7 to 97.4)
22 (4)
M10 R22-10 18.0 to 23.0 (159.0 to 204.0)
M12 R22-12 32.0 to 40.0 (284.0 to 354.0)
30/38 (3/2) M12 R38-12 32.0 to 40.0 (284.0 to 354.0)
D.2 UL Standards
498
YASKAWA ELECTRIC SIEP C710616 31B YASKAWA AC Drive – A1000 Technical Manual