HEC-OM-O018-A
Chapter 3 Transporting and Installation
3.3 Wiring
3-5
3.3 Wiring
3.3.1 Power Sourse Specification
Confirm that the power supply at your workplace has sufficient capacity and
a voltage within that specified. It is recommended to install ground-fault
circuit interrupter. Rated leakage current:30mA or less.
Table 3-2 Electrical specifications of power supply
Model Number Voltage Rated Current
INR-244-733/-745 3.5A(at 100VAC)~1.5A (at 240VAC)
INR-244-734/-736/-746/
-747/-748/-749
Single Phase
100VAC~240VAC+/-10%
(Over Voltage Category
I or II)
5.5A(at 100VAC)~2.5A (at 240VAC)
3.3.2 Power Supply Cable and Connector
The power cable and connecter are to be prepared under your responsibility,
referring to the following table.
Power supply Cable
Table 3-3 Power Supply Cable and Connector
Cable and Connector Types (for your system)
Cable 3 wires, thicker than 14AWG, includes ground.
Power Supply Connector
IEC60320 C-13 equivalent
10A cable mount female connector
z Only qualified personal are allowed to install wiring.
z Be sure to turn OFF the power prior to wiring to assure safety.
Do not do any wiring when the system is energized.
z The system wiring requires not only a through connection with the
designated cable but also securing to prevent loose connection.
Poor connection and securing may cause electric shock, heat spots,
fire, or communication errors.
z Be sure to supply the power to this product according to the
specification.
z Always establish a connection to a ground for safety.
z Be sure that no ground connection is made to a water pipe, gas pipe
and lighting rod.
z Be sure to provide protective ground. IEC protection
class of the product is class I. Be sure to provide protective
ground (ground resistance of 100Ω or less). Grounding can be
provided via the PE line of the power supply cable. For details
of the power supply cable, refer to page 3-5, Power Supply
Cable and Connector
z Do not use the same ground being used by equipment
that generates strong electrical magnetic noise or high
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