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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 HIGH-TECH CO., LTD.
HUM8L/HUM8LY
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 HUM8L Series
- Page 1 Product Certificate 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 HIGH-TECH CO., LTD. - 1 -...
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Page 2: Standards Followed
Overview The HUM8L Series Earth Leakage Circuit Breaker (hereinafter referred to as “circuit breaker”) is a new product successfully developed by our company with international advanced technology in 1990s. This product is characterized by perfect protection, reliable performance, high technical specification, beautiful appearance and small size, which is an ideal product for upgrading old products. -
Page 3: Model Description
Model Description Flashover distance: No code with flashover; Code W without flashover Wiring method: No code with wiring in front of the plate; Code H with wiring behind the plate, code C for plug-in connection, and code CH for pull-out connection (only for 3 poles) Application code: No code for power distribution;... - Page 4 Main Technical Performance Indicators 6.1 See Table 4 for basic specifications and parameters of the circuit breaker. 6.2 See Table 5 and Table 6 for the operating time of earth leakage protection. 6.3 Working reliability in the case of power voltage failure 6.3.1 When the three-phase power supply is disconnected from any phase at 0.85 Ue and the residual current IΔ...
- Page 5 Table 5 Operating time of non-delay residual current protection (t) 50, 100, 300, 500, 800, 1,000 — — — — Table 6 Operating time of delay residual current protection (t) Tn in the table is the delay setting value. Overcurrent Protection Characteristics 7.1 See Table 7 for the overcurrent protection characteristics of circuit breakers for power distribution.
- Page 6 Table 8 Overcurrent protection characteristics of circuit breakers for the motor protection 1.0 In non- Operating 1.2 In operating 1.5 In operating 7.2 In operating Rated operating time current of time (h) time (min) time Tp (s) current In electromag (initial state: (initial state: (initial state:...
- Page 7 The power supply capacity of the electric operating mechanism shall be large enough to ensure that the voltage applied to the electric operating mechanism under the starting current and operating current is not less than 85% Ue. MDX type Closed Open Wiring diagram of the MDX Electric Operating Mechanism 8.6 LB earth leakage alarm module...
- Page 8 Table 11 Cross-section area of the connecting conductor of the main circuit Rated current In 63 75 100 Cross-section area S of conductor 1.5 2.5 10 16 25 120 185 240 Rated current In Copper Cross-section conductor area Copper Cross-section busbar area 30×5...
- Page 9 In case of any questions, please contact the dealer or our customer service department. Dear customers: To protect our environment, please recycle the product or its components when the product is scrapped. For materials that cannot be recycled, please handle them properly.
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