8
Installation RSPE 30/32/35/37
Release 12 10/2015
Supply voltage
The supply voltage is connected to the device casing through protective
elements exclusively.
For supply voltage connections with protective conductor connection:
First connect the protective conductor before connecting the wires for
the supply voltage.
Only for device
variants featuring
supply voltage with
the characteristic
value PP:
The wire diameter of the power supply cable is at least 1 mm² (North
America: AWG16) on the supply voltage input.
The following requirements are
alternatively
complied with:
Alternative 1
The power supply complies with the requirements
for a limited power source (LPS) as per EN 60950-1.
Alternative 3
All
of the following requirements are complied with:
The powersupply complies with the
requirements for a safety extra-low voltage
(SELV) as per IEC/EN 60950-1.
A fuse suitable for DC voltage is located in the
plus conductor of the power supply.
The minus conductor is on ground potential.
Otherwise, a fuse is also located in the minus
conductor.
Regarding the properties of this fuse:
See “General technical data” on page 53.
Only for device
variants featuring
supply voltage with
the characteristic
value K9 or KK:
All
of the following requirements are complied with:
Supply with DC voltage:
A fuse suitable for DC voltage is located in the plus conductor of the
power supply.
The minus conductor is on ground potential. Otherwise, a fuse is also
located in the minus conductor.
Regarding the properties of this fuse:
See “General technical data” on
page 53.
The wire diameter of the power supply cable is at least 1 mm² (North
America: AWG16) on the supply voltage input.
Supply with AC voltage:
A fuse is located in the outer conductor of the power supply.
The neutral conductor is on ground potential. Otherwise, a fuse is also
located in the neutral conductor.
Regarding the properties of this fuse:
See “General technical data” on
page 53.
The wire diameter of the power supply cable is at least 0.75 mm²
(North America: AWG18) on the supply voltage input.
Device variant
Requirements
Table 3:
Requirements for connecting the supply voltage
Summary of Contents for RSPE 30
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