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General
YCQ9E series automatic transfer switch, rated working curent 16A to 630A,to be used in pow- er systems for ensuring the continuity of the supply, by transfering a load between two power supply sources. The switch has three working posions of "Main ( I ) cosing", "Standby ( II )
closing" and "Double-of (0)", which can be used for fire-fighting linkage and infrequent con-
necion and disconnecion of power supply systems. Mainly used in hospitals, shopping malls, banks, chemical industy, metalurgy, high-rise buildings, facilities and fire-fighting occa- sions where power failure is not allowed.
Standards: IEC 60947-6-1
Function
1. Source l/ll over/under-voltage monitoring
2. Source l/ll over/under frequency monitoring
3. Source l/ll power ON running status LED indication
4. When the switch is working normally, the LCD displays the switch information. When
inquiring/adjusting the parameters, it displays the parameter settings; before transfer oper- ation, transfer delay timer is displayed in a countdown mode.
5. Fire-fighting inkage funcion: The controller has a set of passive fire-fighting signal input
terminals, which can accept extemal passive fire-fighting signals, and transfer to double of position, also has a set of passive feedback signal output teminals, which can return the switch's in-position signal to the firefighting equipment.
6. Generator control funcion: The controller has a set of relay dry contacts to control the start and stop of the generator, and can set the start delay and stop delay of the generator (need to be connected to the auxiliary power supply DC24V).
7. Communication function: Confgure RS485 communication port, Modbus-RTU communic- aion protocol, which can realize remote signaling, remote measurement, remote control, and remote adjustment (D-type controller).
Operating conditions
1. Ambient temperature:-5°C~+40°C, average temperature within 24h does not exceed +35°C.
2. Humidity. When the highest temperature is +40°C, the relalve humidiy in the air does not exceed 50%, higher relaive humidiy is alowed at
lower temperalures, for example, up to 90% at +25°C. Special measures should be taken for the occasional condensaion due to temperalure changes.
3. Installation altitude: The altitude of the installation site does not exceed 2000m.
4. Pollution degree: Pollution degree is level 3.
5. EMC electromagnetic compatibility: Class B (public).
Note: lf the usage environment does not meet the above conditions, it should be explained to the manufacturer.
Structure introduction
| Frame size | 125 | 250 | 630 | |
| Number of poles (P) | 3, 4 | 3, 4 | 3, 4 | |
| Rated working current le(A) | 16, 20, 25, 32, 40, 63, 80, 100, 125 |
140, 160, 200, 225, 250 | 315, 350, 400, 500, 630 | |
| Rated working voltage Ue(V) | AC400V/415V 50Hz | |||
| Rated insulation voltage Ui(V) | 690 | |||
| Rated impulse withstand voltage Uimp(kV) | 8 | |||
| Utilization Category | AC-33B | |||
| Rated short time with stand current lcw(kA) | 10 | 10 | 25 | |
| Rated short time making capacity lcm(kApeak) | 20 | 30 | 50 | |
| Rated control voltage Us (V) | AC230V/50Hz | |||
| Contacts transfer time(s) | 0.6±50% | 1.0±10% | 1.5±10% | |
| Transfer time(s) | 1.25±10% | 2.1±10% | 3.3±10% | |
| Recovery transfer time(s) | (1.25+time-delay)±10% | (2.1+time-delay)±10% | (3.3+time-delay)±10% | |
| Power-off duration (s) | (0.6±20%)+time-delay)±10% | (1.0+time-delay)±10% | (1.5+time-delay)±10% | |
Operation cycles |
Without load | 8500 | 7000 | 3000 |
| With load | 1500 | 1000 | 1000 | |
| Total | 10000 | 8000 | 4000 | |
| Dimention(mm)LxWxH | 245x130x122 | 295x175x175 | 430x272x228 | |
| Weight (kg) | 4.3 | 9 | 22.5 | |
| Control voltage | AC230V 50/60Hz |
| Aux.Power | DC 24V |
| Power consumption | ≤ 10W |
| Working position | Three working positions of "Main ( I ) closing", "Standby ( II ) cosing" and "Double-of (0)" |
| Operation mode | Auto mode, manual operation, control panel operation, remote operation, Rs485 communication |
| Transfer mode | Auto transfer auto recovery/Auto transfer no auto recovery |
| Display mode | LCD |
| Source l monitoring | Under-voltage,over-voltage,power loss monitoring(A,B,C three phase) |
| Source ll monitoring | Under-voltage,over-voltage,power loss monitoring(A,B,C three phase) |
| Generator control | Yes(Generator start and stop) |
| Fire-linkage control | One group voltage-free signal to cut-off both power, and 1 group voltage-free feadback |
| Frequency monitoring | No |
| Engine exerciser | No |
| Transfer delay timer(S) | Default:5s, 0~180s adjustable |
| Recovery delay timer(S) | Default:5s,0~180s adiustable |
| Under-voltage range | Default:187V,154~198V adjustable |
| Over-voltage range | Default:263V,242~330V adjustable |
| Source priority | Source l priority(default),Sourcell priority,No priority |
| Rs485 Communicaiton | B type |
| LCD | Yes, LCD is sperable |
| Size | Outline Dimension(mm) |
Mounting Size(mm) | LCD mounting size | ||||||||||||||
| In | A | B | H | A1 | B1 | H1 | H2 | C | E | R | V | P | L | L2 | F | J | K |
| 125 | 245 | 130 | 122 | 230 | 113 | 31 | 71 | 97.5 | 15.5 | 4.5 | 25 | 30 | 16 | 21.5 | 127 |
112 |
56 |
| 250 | 295 | 175 | 175 | 275 | 152 | 29 | 99 | 132 | 20 | 6 | 32 | 35 | 29 | 27 | |||
| 630 | 430 | 272 | 228 | 400 | 240 | 41 | 131 | 207 | 30 | 9 | 50 | 58 | 38 | 42 | |||
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