Lenze ECSCExxx User Manual
Page 64
Safety instructions
Residual hazards
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64
EDKCSCE040 DE/EN/FR 3.0
Device protection
ƒ
The power supply module may only be driven from balanced mains
supplies. Mains supplies with earthed phase are not permitted.
ƒ
The power supply module contains electrostatic sensitive devices. The
personnel must be free of electrostatic charge prior to assembly and
service operations.
ƒ
All pluggable connection terminals must only be connected or
disconnected when no voltage is applied!
ƒ
The power terminals +UG, −UG and PE are not protected against polarity
reversal.
–
When wiring, observe the polarity of the power terminals!
ƒ
Observe the max. permissible mains voltage. Higher voltages will damage
the power supply module.
ƒ
Operation is not permitted
–
without the use of a brake resistor.
–
if an internal brake resistor and an external brake resistor are used
simultaneously.
–
if several power supply modules are connected in parallel.