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Service
7.1
Service
All screw and clamp connections must be checked annually in accordance with the applicable
country-specific requirements. Perform a visual inspection and check the tightening torques.
Residual-current operated circuit breaker 5SV3344-6
Disconnector
Fault current / MCB
Fault current / MCB
Miniature circuit breakers
Maintenance work may only be performed in a de-energized state and The five safety rules
for electrical work (Page 12) must be applied.
Functional test of electrical protection devices, to be performed by a qualified electrician.
Installation/Equipment
Fault current, residual current
and fault voltage circuit break
ers
•
In stationary installations
•
In non-stationary installa
tions
Source: DGUV (German Social Accident Insurance), Regulation 4, Table 1A
Check cable connections
Check all cable connections at regular intervals. Loose cable connections can cause
dangerous voltages to be applied to the housing or exposed components, which can result in
serious bodily injury or death. Tighten the cable connections to the specified tightening
torque and then mark the connections with locking paint.
Mechanical screw connections
It is recommended that all mechanical screw connections be checked periodically for strength
and secure hold.
42
Type number
5TL1
5SU1324-7FA40
5SU1346-7FP25
5SY4425-7
5SY4440-7
Inspection interval
•
6 months
•
Every workday
Tightening torque (Nm)
2.5~3 Nm
2.5~3 Nm
2.5~3 Nm
2.0 Nm
2.5~3.5 Nm
Type of check
For proper function by using
the testing equipment
Hardware Installation Manual, 06/2022, A5E51460654-AB
7
Inspector
Qualified electricians
VersiCharge Column Mounting
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