36
Part 1
– Chapter 4 – Connections
GD1 – Installation Guide
4.9 – REQUIREMENTS FOR THE COMPLIANCE WITH THE UL STANDARDS
The UL listing requires the following conditions to be fulfilled by the installer of the drives.
4.9.1
–
24
V
SUPPLY
The end user has to provide a 24 V
DC
isolated power supply (i.e. with an isolation transformer for the auxiliary
supply input, protected by a 4 A UL listed fuse.
4.9.2
–
P
OWER SUPPLY AND
UL
FUSE RATING
The fuse type recommended for drive application is semiconductor protection fuses. The maximum short-circuit
power of the mains must not exceed 5000 Arms at a voltage of 480 V, when protected by a UL fuse range A60Q.
On GD1-230/cc-PS-R and GD1-400/cc-PS-R drives
(power supply inside), the fuse ratings must be the
following:
GD1
400/0.5 TO 20
MULTIAXIS
FERRAZ
A60Q20-2
For a multiaxis application with N drives, the fuse rating is calculated by the formula given in the table above. But
a rating of 20 A must not be exceeded.
0.3 X
∑
N
1
Irated amplifier
Summary of Contents for GD1-400/05
Page 1: ...GD1 INFRANOR Gem Drive Installation Guide gb Actuator ...
Page 5: ...4 Part 1 GD1 amplifier GD1 Installation Guide PART 1 ________ GD1 AMPLIFIER ...
Page 40: ...GD1 Installation Guide 39 Part 2 GDPS power supply PART 2 ________ GDPS POWER SUPPLY ...
Page 49: ...48 Part 2 Chapter 4 Order code GD1 Installation Guide PART 3 ________ APPENDIX ...