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HYW3
Series Intelligent Universal Circuit Breaker
II. Model Description
I. Overview
The HYW3 Series Intelligent Universal Circuit Breaker (hereinafter referred to as "the circuit
breaker") is suitable for distribution networks with AC 50/60 Hz, rated working voltage up to 690 V
and rated current below 6,300 A. The circuit breaker is mainly used for distribution, feeding and
power generation protection to protect circuits and power supplies from HHH load, undervoltage,
overvoltage, imbalance of current and voltage, short circuit and grounding. The circuit breaker can
also be directly used for overload, undervoltage and short-circuit protection of motors and
generators. The core component of the circuit breaker adopts the intelligent controller, which has
accurate selective protection, so as to avoid unnecessary power failure and improve the reliability,
continuity and safety of power supply. The circuit breaker is also equipped with an open
communication interface to realize telemetering, telesignaling, telecontrol and teleregulation, thus
meeting the requirements of the control center and automation system.
The circuit breaker complies with GB/T 14048.2 and IEC 60947-2.
II. Model Description
III. Normal Operating Conditions
1. Ambient air temperature:
It is suitable for ambient temperature of -5° C–+40° C, -40° C–+70° C (Mic1.0 standard) and -25° C–
+70° C (Mic2.0 multifunctional and Mic5.0 intelligent).
2. Altitude: The altitude of the installation location shall not exceed 2,000 meters.
3. Atmospheric conditions: The relative atmospheric humidity does not exceed 50% when the
maximum temperature is +40° C, and a higher relative humidity is allowed at a lower temperature.
For example, the humidity is 90% at 20° C, and special measures shall be taken for occasional
condensation due to the temperature change.
4. Contamination grade: Grade 3.
5. Installation category: The installation category of the breaker's main circuit, undervoltage
release's coil and primary coil of the power transformer is IV, and the other auxiliary circuits and
control circuits are III.
6. Use category: Class B.
A-011
A
Primary power distribution
Controller type: M1: Mic1.0; M2: Mic2.0; M5: Mic5.0
Control voltage: AC 230 V, AC 400 V, DC 220 V, DC 110 V
Rated current: 200 A, 4,000 A, 6,300 A
Number of poles: Three-pole/Four-pole
Mounting mode: D: Draw-out type; F: Fixed type
Frame current: 1,600, 2,000, 2,500, 3,200, 4,000, 6,300
Breaking capacity: N: Common type; H: High breaking type
Design number
Universal Circuit Breaker
Enterprise code
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Summary of Contents for Huanyu HYW3 Series
- Page 1 Series Intelligent Universal Circuit Breaker I. Overview The HYW3 Series Intelligent Universal Circuit Breaker (hereinafter referred to as “the circuit breaker”) is suitable for distribution networks with AC 50/60 Hz, rated working voltage up to 690 V and rated current below 6,300 A. The circuit breaker is mainly used for distribution, feeding and power generation protection to protect circuits and power supplies from HHH load, undervoltage, overvoltage, imbalance of current and voltage, short circuit and grounding.
- Page 2 Primary power distribution HYW3 Series Intelligent Universal Circuit Breaker IV. Classification 1. According to the installation mode: Fixed type, draw-out type. 2. According to the operation mode: Electrical operation, manual operation (for overhaul and maintenance). 3. According to the number of poles: 3 poles, 4 poles. 4.
- Page 3 Primary power distribution HYW3 Series Intelligent Universal Circuit Breaker ﹥Overload early warning ﹥Leakage protection ﹥Grounding warning (equipped with special transformer, without ﹥Over-temperature grounding protection) protection and alarm ﹥Zone selective interlocking ﹥Residual current protection ﹥Voltage (phase voltage, line voltage, voltage imbalance rate) ﹥...
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Page 4: Technical Data And Performance
Primary power distribution HYW3 Series Intelligent Universal Circuit Breaker V. Technical Data and Performance 1. Basic parameters of the circuit breaker HYW3-1600 HYW3-2000 HYW3-2500 HYW3-3200 HYW3-4000 HYW3-6300 Type and frame current Inm 200, 400, 630 630, 800, 1000 2000, 2500 4000, 5000 Rated current In (A) 2000, 2500... - Page 5 Primary power distribution HYW3 Series Intelligent Universal Circuit Breaker 2. Protection characteristics and functions of the intelligent overcurrent controller Figure 1 Standard inverse time limit Figure 2 Grounding fault protection Figure 3 Express inverse time limit (general protection) Figure 4 Express inverse time limit (motor protection) A-015...
- Page 6 Primary power distribution HYW3 Series Intelligent Universal Circuit Breaker Figure 5 High-voltage fuse compatibility Figure 6 Express inverse time limit 2 (general purpose) Figure 7 Asymmetric grounding protection Figure 8 Leakage protection (external leakage transformer) 3.1 Current setting value Ir and tolerance of the release Table 4 Long time delay Short time delay...
- Page 7 Primary power distribution HYW3 Series Intelligent Universal Circuit Breaker 3.1.2 Function introduction ● Main protection functions (The functions of the controller have been set according to the requirements when leaving the factory. Please contact our company if resetting is required) Overload long-delay inverse time protection, short-circuit short-delay fixed time and inverse time protection, short-circuit instantaneous protection, grounding or leakage current fixed time and inverse time protection, N-phase protection, current imbalance protection caused by disconnection, load inverse time monitoring and other protection functions.
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Page 8: Structure Overview
If one of the units fails, the unit can be completely removed for the replacement (see Figure 6 and Figure 7). Figure 5 Operation indication diagram of the HYW3 Series Intelligent Universal Circuit Breaker Secondary circuit... - Page 9 Primary power distribution HYW3 Series Intelligent Universal Circuit Breaker Figure 7 Drawer seat of the HYW3 Series Intelligent Universal Circuit Breaker Secondary circuit terminal (drawer) Holder Adjusting frame Guide rail lock Guide rail Drive shaft HYW3-1600/3 Drawer Seat 1: Draw-out circuit breaker The draw-out circuit breaker consists of a circuit breaker body and a drawer.
- Page 10 Primary power distribution HYW3 Series Intelligent Universal Circuit Breaker Figure 8 Interlocking with the Flat Circuit Breaker 2 m (max) Circuit breaker 2 Circuit breaker 1 ≥ R 120 mm Figure 9 Connecting rod interlocking for the Stacked Circuit Breaker (Figure 9 shows three stacked circuit breakers interlocked with connecting rods.
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Page 11: Wiring Diagrams
Primary power distribution HYW3 Series Intelligent Universal Circuit Breaker VII. Wiring Diagrams Secondary circuit wiring diagram 1) The circuit on the dotted line is wired by the user, which cannot be performed when the optional accessories are not customized. 2) The accessories such as intelligent controller, undervoltage release, shunt release, closing electromagnet and electric operating mechanism shall be connected to different power supplies respectively when the voltages are different. - Page 12 Primary power distribution HYW3 Series Intelligent Universal Circuit Breaker Terminal function in the wiring diagram of secondary circuit of the Mic1.0, Mic2.0 Intelligent Controller Terminal number Function description Notes 1, 2 Auxiliary power input: AC 220 V, AC 380 V, DC 220 V, DC 110 V 3, 4, 5 Fault trip auxiliary contact, contact capacity: AC 250 V, 3 A 6, 7...
- Page 13 Interpretation of symbols in the wiring diagram Symbol Interpretation Notes Symbol Interpretation Notes HYW3 HYW3 Series Universal Circuit Breaker Grounding wire S1~S7 Signal lamp User-provided L(+), N(-) Control power supply (DC L is positive; N is negative) Current transformer A, B, C, N...
- Page 14 Primary power distribution HYW3 Series Intelligent Universal Circuit Breaker VIII. Outline and Installation Dimensions Outline and Installation Dimensions of the HYW3-1600 Fixed Circuit Breaker Inside the 313 (four-pole) / 243 (three-pole) cabinet door 339 (four-pole) / 269 (three-pole) Installation dimension 322 (four-pole) / 252 (three-pole) Center line of cabinet door opening...
- Page 15 Primary power distribution HYW3 Series Intelligent Universal Circuit Breaker Outline and Installation Dimensions of the HYW3-2000 Fixed Circuit Breaker 413 (four-pole) / 318 (three-pole) Inside the N-pole cabinet door Center line of cabinet door opening Horizontal wiring dimensions of Type N (2,000 A and below) Installation dimension 440 (four-pole) / 345 (three-pole) 466 (four-pole) / 371 (three-pole)
- Page 16 Primary power distribution HYW3 Series Intelligent Universal Circuit Breaker Outline and installation dimensions of the HYW3-2500 Fixed Circuit Breaker 413 (four-pole) / 318 (three-pole) Inside the cabinet door Center line of cabinet door opening Installation dimension 435 (four-pole) / 340 (three-pole) 461 (four-pole) / 366 (three-pole) HYW3N-2500 busbar size N-pole...
- Page 17 Primary power distribution HYW3 Series Intelligent Universal Circuit Breaker Outline and installation dimensions of the HYW3-3200 Fixed Circuit Breaker 493 (four-pole) / 378 (three-pole) Inside the cabinet door Center line of cabinet door opening Installation dimension 515 (four-pole) / 400 (three-pole) 541 (four-pole) / 426 (three-pole) N-pole HYW3N-3200 busbar size...
- Page 18 Primary power distribution HYW3 Series Intelligent Universal Circuit Breaker Outline and installation dimensions of the HYW3-4000 Fixed Circuit Breaker 493 (four-pole) / 378 (three-pole) Inside the cabinet door Center line of pole cabinet door opening Horizontal wiring dimensions of Installation dimension Type N (4,000 A) and Type H 520 (four-pole) / 405 (three-pole) 546 (four-pole) / 431 (three-pole)
- Page 19 Primary power distribution HYW3 Series Intelligent Universal Circuit Breaker Outline and installation dimensions of the HYW3-6300 Fixed Circuit Breaker Phase N Phase A Phase A Phase B Phase B Phase C Phase C Center line of cabinet door opening Installation dimension Four-pole installation and horizontal wiring dimensions of Type N Inside the...
- Page 20 Primary power distribution HYW3 Series Intelligent Universal Circuit Breaker Outline and installation dimensions of the HYW3-6300 Draw-out Circuit Breaker (only the internal or external installation dimensions can be used for the fixation) Inside the cabinet door Underside Horizontal wiring dimensions of 4,000 A and 5,000 A External installation dimension Internal installation dimension...
- Page 21 Primary power distribution HYW3 Series Intelligent Universal Circuit Breaker IX. Panel Structure of Controller Intelligent Intelligent Intelligent controller controller controller Standard (digital display) Multifunctional (liquid crystal display) Intelligent (liquid crystal display with communication) Note: As the intelligent controller is upgraded quickly, it is not limited to the above three kinds of intelligent controllers, and the physical object shall prevail.
- Page 22 Primary power distribution HYW3 Series Intelligent Universal Circuit Breaker Mic1.0 standard controller interface symbols, indicator lights and key descriptions Symbol/Name Definition Circuit breaker rated current L1, L2, L3, N indicator lights During the normal operation, the current indicator lights of L1, L2, L3 and N (i.e., phases A, B, C and N) flash circularly. Indicator lights of ×10/1 indicates the number of circuit breaker operations;...
- Page 23 Primary power distribution HYW3 Series Intelligent Universal Circuit Breaker Mic2.0, Mic5.0 multifunctional controller interface symbols, indicator lights and key descriptions Symbol/Name Definition Circuit breaker rated current All measurement parameters, system setting parameters, protection setting parameters and other information are Liquid crystal display displayed in Chinese.
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Page 24: Data Cable
X. Dual Power Automatic Transfer Switch The dual power automatic transfer switch is CB grade, which is mainly composed of two HYW3 series universal circuit breakers, dual power transfer controller and mechanical interlock. It is suitable for two-way three-phase four-wire power grids with a frequency of 50 Hz/60Hz and a rated working voltage of 400 V. - Page 25 Primary power distribution HYW3 Series Intelligent Universal Circuit Breaker Wiring diagram of the Dual Power Controller Connected to ATSA-2B Controller Common (or standby) plug Main circuit incoming side Energy storage indication Interpretation of wiring terminal of the Dual Power Controller Terminal Number of terminal connected to the circuit Interpretation...
- Page 26 Primary power distribution HYW3 Series Intelligent Universal Circuit Breaker XI. Double Power Automatic Transfer Controller The NQ6W Double Power Automatic Transfer Controller (hereinafter referred to as “the controller”) controls the frame circuit breaker. It is suitable for important power supply places where power supply failure is not allowed, and can complete the automatic transfer of power supply system, thus ensuring the continuity of power supply.
- Page 27 Primary power distribution HYW3 Series Intelligent Universal Circuit Breaker Wiring diagram of the Dual Power Busbar Controller A-037...
- Page 28 Primary power distribution HYW3 Series Intelligent Universal Circuit Breaker XII. Accessories Closed electromagnet When the circuit breaker completes the energy storage and is in the normal opening state, the circuit breaker can be quickly closed by the remote control of closed electromagnet. Closed Electromagnet Working voltage AC230V...
- Page 29 Primary power distribution HYW3 Series Intelligent Universal Circuit Breaker Undervoltage release When the undervoltage release is not powered, the circuit breaker cannot be closed. The Undervoltage Release of 2,500 A Shell Frame and Above are divided into two types: Suction- assisted type (without delay function) and self-suction type.
- Page 30 Primary power distribution HYW3 Series Intelligent Universal Circuit Breaker Auxiliary switch Default configuration: Conversion 4 NO & 4 NC Other types: Independent four normally open & four normally closed, conversion six normally open & six normally closed, independent six normally open & six normally closed Rated working AC230V AC400V...
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Page 31: Order Specification
Primary power distribution HYW3 Series Intelligent Universal Circuit Breaker XIII. Order Specification Unit: Contact person: Tel.: Order quantity: (set) Order date: HYW3-1600 HYW3-2000 HYW3-2500 HYW3-3200 HYW3-4000 HYW3-6300 Product model N H N H N H N H N H N H 200400 630 630800 1000... - Page 32 Primary power distribution HYW3 Series Intelligent Universal Circuit Breaker Note 1: If the user has other special requirements for ordering, please consult with the manufacturer before the ordering. 2: The costs of circuit breaker’s optional function and accessories are not included in the standard configuration of the circuit breaker, and therefore will be calculated separately.
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