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3 Installation
1. Parts prepared at site
Please prepare the following parts before installation of the unit.
Preparation parts
Unit fixing screw
Power cable/
Protective earth cable
(Ground cable)
Main power switch
(Circuit breaker)
Transmission cable
DC power cable
Specification
M4 screw × 4pcs
Use sheathed vinyl cord or wire.
Wire type:Wire should not be lighter than ordinary PVC sheathed flexible cord IEC 60227
(designation 60227 IEC 53)
Wire size: 0.75mm
2
to 2mm
2
(AWG18 to 14)
Qty.:1pc
Type: 250VAC, Single-phase 3A
Type of the cable; Sheathed vinyl cords or cable which comply with the following specifications or
equivalent.
• CPEVS φ1.2mm to φ1.6mm
• CVVS 1.25mm
2
to 2mm
2
(AWG16 to 14)
* CPEV; PE insulated PVC jacketed shielded communication cable
* CVVS; PVC insulated PVC jacketed shielded control cable
PE: Polyethylene PVC: Polyvinyl chloride
Cable length: Please refer to section 5 Allowable length of M-NET transmission line
The DC power cable should comply with both local standards as well as the power requirement of
the unit.
Recommended type: 0.75mm
2
to 2mm
2
(AWG18 to 14)
Cable length: Within 10m (32 ft)
* Use a breaker with a contact distance of 3mm (1/8 in) or more.
2. Installation space and the direction
PAC-SC50KUA Power supply unit is not waterproof.
PAC-SC50KUA shall be installed in a control panel box (steel : thickness 1mm (3/64 in) or more).
Please prepare the control panel box in consideration with installation space as shown in the Fig.3-1.
(Install in an area capable of withstanding a 2.3 kg (5 1/8 lb) load.)
The unit shall be also installed in vertical direction only indicated by arrow making on the cover as shown in the Fig.3-1.
Fig.3-1
20 (13/16)
UP
EU:~220V-240V; 0.25A 50Hz
US:~208V-230V; 0.25A 60Hz
2.3 kg / 5
1
/
8
lb
20 (13/16)
20 (13/16)
20 (13/16)
unit: mm (in)