<4> Class L fuse is also approved for this rating.
Wiring Fuses for Models 4A0930 and 4A1200
NOTICE: If
a fuse is blown or an Ground Fault Circuit Interrupter (GFCI) is tripped, check the wiring and the selection of peripheral devices
to identify the cause. Contact Yaskawa before restarting the drive or the peripheral devices if the cause cannot be identified.
Install a fuse on the input side to protect drive wiring and prevent other secondary damage. Wire the fuse so that leakage
current in the upper controller power supply will trigger the fuse and shut off the power supply.
Select the appropriate fuse from Table 3.2.
Table C.9 Input Fuses for Models 4A0930 and 4A1200
Voltage
Class
Model
Selection Input Fuse (Example)
Input Voltage Current
Pre-arc
I
2
t (A
2
s)
Model Manufacturer Rating
Pre-arc
I
2
t (A
2
s)
Three-
Phase
400 V
Class
4A0930
480 V 1500 A
140000 to
3100000
CS5F-1200 Fuji Electric AC500 V, 1200 A 276000
4A0930 with
12-pulse
rectification
FWH-1200A Bussman AC500 V, 1200 A –
FWH-1000A Bussman AC500 V, 1000 A –
4A1200
480 V 1500 A
320000 to
3100000
CS5F-1500 Fuji Electric AC500 V, 1500 A 351000
4A1200 with
12-pulse
rectification
FWH-1600A Bussman AC500 V, 1600 A –
FWH-1200A Bussman AC500 V, 1200 A –
n
Low Voltage Wiring for Control Circuit Terminals
Wire low voltage wires with NEC Class 1 circuit conductors. Refer to national state or local codes for wiring. The external
power supply shall be a UL Listed Class 2 power supply source or equivalent only.
Table C.10
Control Circuit Terminal Power Supply
Input / Output Terminal Signal Power Supply Specifications
Open Collector Outputs P1, P2, PC, DM+, DM- Requires class 2 power supply
Digital inputs S1 to S8, SC, HC, H1, H2
Use the internal LVLC power supply of the drive. Use class
2 for external power supply.
Analog inputs / outputs +V, -V, A1, A2, A3, AC, AM, FM
Use the internal LVLC power supply of the drive. Use class
2 for external power supply.
n
Drive Short Circuit Rating
The drive is suitable for use on a circuit capable of delivering not more than 100,000 RMS symmetrical Amperes, 240 Vac
maximum
(200 V Class), 480 Vac maximum (400 V Class), and 600 Vac maximum (600 V Class) when protected by Bussmann
Type FWH or FWP fuses as specified in Factory Recommended Branch Circuit Protection on page 330.
u
CSA Standards Compliance
Figure C.8 CSA Mark
n
CSA for Industrial Control Equipment
The drive is CSA-certified as Industrial Control Equipment Class 3211.
Specifically, the drive is certified to: CAN/CSA C22.2 No. 04-04 and CAN/CSA C22.2 No.14-05.
u
Drive Motor Overload Protection
Set parameter E2-01 (motor rated current) to the appropriate value to enable motor overload protection. The internal motor
overload protection is UL Listed and in accordance with the NEC and CEC.
C.2 UL and CSA Standards
348
YASKAWA ELECTRIC TOEP C710616 41G YASKAWA AC Drive - A1000 Quick Start Guide
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