CHINT NXBLE-63Y - Maintenance; Environmental Protection

05
Maintenance
4
-- Check the circuit breaker on a regular basis during operation;
-- After the circuit breaker cuts off the overload or short-circuit current and
the residual current, the fault should be eliminated before closing the circuit
breaker.
Environmental Protection
5
In order to protect the environment, the product or product parts
should be disposed of according to the industrial waste treatment process,
or be sent to the recycling station for assortment, dismantling and recycling
according to local regulations.
Table 3 Analysis and troubleshooting of common faults
Symptoms
Cause analysis
Troubleshooting methods
and precautions
Short circuit or large residual
current exists in the circuit.
I. The circuit load current does
not match the rated current of
the circuit breaker, and there is
an overload current;
II. Residual current in the circuit
is within the operating range of
the circuit breaker.
Frequent
switching
Handle cannot
be closed
Check the circuit, and operate
after troubleshooting.
I. Check the circuit, and
operate after troubleshooting;
II. Use a circuit breaker with a
larger rated current or rated
residual operating current.
I. Poor terminal contact;
II. Button disabled.
I. Terminal not tightened;
II. The cross-sectional area of the
selected wire is too small.
The product does
not work when
the test button
is pressed
Terminal
temperature
is too high
I. Tighten the wiring screws;
II. Replace the product.
I. Tighten the wiring screws;
II. Use a wire with the right
cross-sectional area.