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This product has passed the inspection and meets the
requirements of GB/T 14048.2, and therefore is allowed to
leave the factory.
Inspector:
Date of inspection: See the product or
packaging.
Huanyu Group Zhejiang High-tech Co., Ltd.
HYM1L Series
Earth Leakage Circuit Breaker
Installation and Operation
Instruction
Before installing and using the product,
please read the instruction carefully and
well keep it for future reference.
Product Certificate
Inspection
09
- 1 -
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Summary of Contents for Huanyu HYM1L Series
- Page 1 This product has passed the inspection and meets the requirements of GB/T 14048.2, and therefore is allowed to leave the factory. Inspector: Inspection Date of inspection: See the product or packaging. Huanyu Group Zhejiang High-tech Co., Ltd. - 1 -...
- Page 2 I. Purpose and Scope of Application The HYM1L Series Earth Leakage Circuit Breaker (hereinafter referred to as “earth leakage circuit breaker”) is one of the new earth leakage circuit breakers designed and developed by our company with international advanced technology. This series of products is suitable for the circuits with...
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Page 3: Model Description
III. Model Description Type of neutral pole of 4-pole circuit breaker Note 2 Release mode and accessory code (see Table 1) Number of poles Note 1 Classification of operation characteristics when residual current contains DC component: No code for default Type AC, and Code A for Type A residual current protection device Rated ultimate short-circuit breaking capacity level (Type M: M;... - Page 4 (i.e. two normally-open contacts and two normally-closed contacts), which however, must be noted when ordering. ④ If the HYM1L series is equipped with earth leakage alarm unit module (that is, earth leakage alarm without tripping), only the accessories of the specification with ▲ are provided.
- Page 5 IV. Main Technical Parameters 1. See Tables 2, 3 and 4 for basic specifications and technical parameters of the earth leakage circuit breaker. Table 2 Basic specifications and technical parameters Rated Rated Rated Rated residual ultimate operating Rated residual Rated residual Residual non-...
- Page 6 Table 4 Breaking time of the delay earth leakage circuit breaker (The limit non-operating time Δt is 0.1 s, 0.2 s, 0.5 s, and 1 s) 125, 250 125, 250, 400, 630 400, 630 Note: tn is the delay setting value. Only two-gear delay is provided for Inm = 125 A and 250 A, and three-gear delay is provided for Inm = 400 A and 630 A.
- Page 7 Table 7 Number of operation cycles Shell frame level Number of Number of operation cycles rated current Inm operation cycles Energizing De-energizing Total times per hour 1,500 8,500 10,000 1,000 7,000 8,000 1,000 4,000 5,000 1,000 4,000 5,000 6. Electric operating mechanism When the electric operating mechanism is used for the earth leakage circuit breaker, reliable closing and opening of the circuit breaker shall be ensured at any voltage between 85% and 110% of the rated control power supply...
- Page 8 B. When I∆ ≥ I∆n, the earth leakage indicator light is on, and S2-S3 is open and S1-S2 is closed. C. Under the condition that the earth leakage indicator light is on: (1) If I∆＜ I∆n, the alarm state can be released by pressing the "Reset" button, then the earth leakage indicator light will go out, the alarm state will be released, and the module will return to the "A"...
- Page 9 When an earth leakage or an electric shock occurs in the protected circuit, as long as the earth leakage current reaches the set earth leakage operating current value, the output signal of the secondary winding of the zero-sequence current transformer will trigger the thyristor to conduct, and the earth leakage trip will be energized and pulled in, so that the earth leakage breaker will be tripped, thus cutting off the power supply to protect against earth leakage and electric shock.
- Page 10 Flash barrier Flash barrier Flash barrier Figure 3 Outline and installation dimensions VII. Use and Maintenance Fix the earth leakage circuit breaker vertically (please use a Phillips screwdriver to prevent damage to the housing). The appearance of the earth leakage circuit breaker is in good condition, and no-load operation works normally.
- Page 11 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. 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.
- Page 12 (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. In case of any questions, please contact the dealer or our customer service department.
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