Table 11 Cross-section area of the connecting conductor of the main
circuit
Rated current In
(A)
10 16
20 32
40
50 63 75 100
125
150 175
200
225 250
300
350 400
Cross-section area S
of conductor
(mm
2
)
1.5 2.5 6 10 16 25 35 50 70 95 120 185 240
Rated current In
(A)
500
630
Copper
conductor
Pcs
2
2
Cross-section
area
(mm
2
)
150
185
Copper
busbar
Pcs
2
2
Cross-section
area
(mm
2
)
30×5
40×5
9.3 Various characteristics of the circuit breaker and its accessories are set by our
company according to the order requirements, and cannot be adjusted freely
during use.
9.4 The handle of the circuit breaker can be in three positions: "Closed", "Open" and
"Tripped". When the handle is in the trip position, it shall be pulled in the "Open"
direction to make the circuit breaker trip again, and then the "Closing" operation
can be carried out.
9.5
As required by the user, the rated residual operating current IΔn and earth
leakage operating time shall be set (HUM8L non-delay earth leakage operating
time is not adjustable, while HUM8LY earth leakage operation time is adjustable).
9.6 According to Chapter 4 "Normal Working Conditions" of this instruction and the
above articles of this chapter, the circuit breaker can be closed and put into
operation after completing inspections. During the operation of the circuit breaker,
the testing device shall be operated once a month according to Article 4.3 to
confirm that the earth leakage protection function of the circuit breaker is normal.
9.7 For installing the internal accessories, the circuit breaker must be tripped and
interrupted before installation.
Company Commitment
On the premise that users abide by the use and storage conditions and that the
product seals are intact, if the product is damaged or cannot be used normally due to
manufacturing quality problems within 18 months from the production date of the
product, our company will be responsible for the repairing or replacement free of
charge. If the warranty period expires, users shall pay for the repair. However, if the
damage is caused by the following circumstances, the fees for repair still shall be
charged even within the warranty period:
(1) Misuse, self-modification, improper maintenance, etc.
(2) Use beyond the standard specification requirements.
(3) Falling, damage during transportation, etc. after purchase.
(4) Earthquake, fire, lightning strike, abnormal voltage, other natural disasters and
secondary disasters, etc.
