Installation RSPE30/32/35/37
Release
16
04/2019
9
Only for device
variants featuring
supply voltage with
the characteristic
value CC:
If you connect 2 independent power sources, verify that the minus
terminal is grounded. Failure to follow this instruction can result in
equipment damage.
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 2 Relevant for North America:
The power supply complies with the requirements
according to NEC Class 2.
Alternative 3 All of the following requirements are complied with:
The power supply 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 55.
Device variant Requirements
Table 3: Requirements for connecting the supply voltage
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