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4. If the earth leakage circuit breaker is opened due to the failure of the
protected line, the reason shall be found out, and the closing operation
can only be carried out after troubleshooting.
5. Various characteristics of the earth leakage circuit breaker and its
accessories are set by our company according to the order requirements,
and cannot be adjusted freely during use.
6.
As required by the user, the rated residual operating current IΔn and
earth leakage operating time shall be set (HYM1L non-delay earth
leakage operating time is not adjustable, while HYM1LY earth leakage
operating time is adjustable).
7. According to Chapter II "Normal Working Conditions" of this instruction
and the above articles of this chapter, the circuit breaker can be closed
and put into operation. During the operation of the circuit breaker, the
testing device shall be operated at least once a month to confirm that
the earth leakage protection function of the circuit breaker is normal.
VIII. Attention
1. The earth leakage circuit breaker cannot protect human body from
electric shock caused by contact with two load lines at the same time,
and therefore users shall pay attention to the electricity safety.
2. Do not test the device by means of short circuit between phase wires
and the ground, so as not to affect the service life of the device.
IX. Ordering Information
When ordering, users must indicate:
1. Name and model of the earth leakage circuit breaker
2. Rated current (A)
3. Rated residual operating current (mA)
4. Quantity
5. Special specifications will be discussed separately
Example of ordering: Product model name: HYM1L-125L/4300A earth
leakage circuit breaker, with rated current of 125 A, rated residual operating
current of 100/300/500 mA, non-delay type, and 100 sets.
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:
