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Scope of Application

TXQ5 Automatic Transfer Switch is used for three-phase four-wire dual-supply power grid of AC frequency of 50Hz, rated voltage of AC400V, rated operational current up to 800A, to automatically connect one or more load to another power supply from one power supply, in order to guarantee the normal power supply of the load circuit.
This Automatic Transfer Switch is suitable for industrial, commercial, high-rise and civilian residential and other important places.
Automatic Transfer Switch meets the standards: GB / T 14048.11, IEC 60947-6-1.

Models and Specifications

Normal working conditions and installation conditions

● Ambient air temperature
○ The ambient air temperature is -5℃~+40℃, and the average temperature within 24h does not exceed +35℃;
● Elevation
○ The altitude of the installation site does not exceed 2000m;
● Atmospheric conditions
○ Relative humidity of the atmosphere is not more than 50% in the surrounding maximum temperature of +40℃, there is a higher relative humidity at a lower temperature, for example, up to 90% at +20℃,special measures should be taken for the condensation occasionally produced due to the temperature change.
● Pollution degree
○ Pollution degree is level 3
○ Pollution degree is level 2 (only for TXQ5B-63)

Technical parameters and performance

Product model TXQ5B-63 TXQ5-63 TXQ5-100
Meet the standards GB/T 14048.11
Executive circuit breaker NB1-63H NM1-63 NM1-100
Electrical characteristic parameter
Current specifications (A) 20,25,32,40,50,63 10,16,20,25,32,
40,50,63
25,32,40,50,
63,80,100
Rated operating voltage (Ue) 400V 50Hz
Rated insulation voltage (Ui) AC500V AC800V
Rated impulse withstand voltage 4kV 6kV 8kV
Pole 3P、4P 3P 4P 3P 4P
Short-circuit breaking capacity code H S H H S H R H
Rated short-time making capacity (Icm) 17 52.5 105 105 73.5 105 187 105
Rated short circuit breaking capacity (Icn) 10 25 50 50 35 50 85 50
Life 6000 times
Use category AC-33iB AC-33B
Electrical level CB-class
Protection level IP20 IP30(except the main circuit terminals)
Protection Overload protection / short circuit protection
Control characteristic
Controller Terminal type A-type, B-type
Rated control supply voltage Us 230V 50Hz
Controller installation Integral type

Integral type/Split type

(Counter installation)

Conversion operation time (no delay) ≤2.5s ≤3s
Controller power consumption 5W ≤10W
Installation and connection
Installation method Fixed type
Connection method Board front

Note: The instantaneous release type of executive circuit breaker NB1-63H is C-type (5-10)In, D-type (10-14)In.

Product model TXQ5-225 TXQ5-400 TXQ5-630 TXQ5-800
Meet the standards GB/T 14048.11
Executive circuit breaker NM1-225 NM1-400 NM1-630 NM1-800
Electrical characteristic parameter
Current specifications (A) 100,125,160,180,200,
225
225,250,315,350,
400
400,500,630 630,700,800
Rated operating voltage (Ue) 400V 50Hz
Rated insulation voltage (Ui) AC800V
Rated impulse withstand voltage 8kV
Pole 3P、4P 4P 3P 4P 3P 4P 3P 4P
Short-circuit breaking capacity code S H R H S H R S H R S H R
Rated short-time making capacity (Icm) 73.5 105 187 105 105 143 220 105 143 220 105 165 220
Rated short circuit breaking capacity (Icn) 35 50 85 50 50 65 100 50 65 100 50 75 100
Life 6000 Times 4000 Times 3000 Times
Use category AC-33B
Electrical level CB-class
Protection level IP30(except the main circuit terminals)
Protection Overload protection / short circuit protection
Control characteristic
Controller A-type, B-type
Rated control supply voltage Us 230V 50Hz
Controller installation Integral type/Split type (Counter installation)
Conversion operation time (no delay) ≤2.5s ≤3s ≤5s
Controller power consumption ≤10W
Installation and connection
Installation method Fixed type
Connection method Front of the board

Characteristics and functions

TXQ5 Automatic Transfer Switch (hereinafter referred to as the auto transfer switch) is a new generation of CB-class products with advanced digital electronic control technology. The Automatic Transfer Switch has the characteristics of small volume, energy saving, easy installation and reliable interlock protection, functions are advanced and complete.

5.1 Small volume

Single motor drive structure, the use of positive and negative rotation of the motor to achieve the conversion function, while reducing the height of the product, reducing the installation space.

5.2 energy saving

The Transmission mechanism uses the motor drive mode, the power consumption is low and the noise is small.

Transmission mechanism (short-time operation)
TXQ5B-63 63/100 225 400/630/800
10W 7W 9W 20W

5.4 Double interlock protection

5.5 Isolation function

Use double protection of mechanical interlock and electrical interlock, to prevent that two power supply are connected at the same time, thereinto, electric interlock uses the method of directly indicating circuit breaker contact position of the automatic switch, to achieve the true meaning of the electrical interlock 一 to avoid automatic conversion in the situations of contacts welding, circuit breaker handle damaged, circuit fault, circuit breakers tripping and others.

5.5 Isolation function

TXQ5 Automatic Transfer Switch (except TXQ5B-63) have isolation function.

Controller

Model,Function A-type (basic type) B-type (liquid crystal type) Terminal type (TXQ5B-63)
Manual-automatic transfer mode

Main contact working position

(executing circuit breaker)

Common power closing
Standby power closing
Double-breaking
Auto-Control

Monitor common power

(three phase detection)

Monitor standby power

(three phase detection)

Automatic change and

automatic recovery

Automatic change and

non-automatic recovery

Grid-grid
Grid - power generation

Open phase,

no-voltage conversion

Under voltage conversion
Over voltage conversion
Delay-adjustable
Conversion delay ■ 0s~180s continuously adjustable ■0s~30s continuously adjustable ■0s~30s continuously adjustable
Return delay ■ 0s~180s continuously adjustable ■0s~30s continuously adjustable ■0s~30s continuously adjustable
Generator control
Fire fighting linkage
indication
Closing, opening, double-breaking indication
Common power indication ■ (Display voltage value) ■ (Display symbols) ■ (Indicator light)
Standby power indication ■ (Display voltage value) ■ (Display symbols) ■ (Indicator light)
Fault trip indication
External indication signal terminal
Parameter setting indication
Interlock protection
Electric interlock

6.1 A-type and B-type controllers are integrated in integrated and split mode, and can be installed in cabinets or cabinet panels, for operation out of cabinet. According to the operating power status, decide whether to convert from one power supply to another.

Control of generating sets
Button type manual forced conversion operation

6.2 Control voltage

AC230V, 50Hz, two power supply A phase

6.3 Operation: Automatic operation, manual operation

6.4 Parameter setting

A-type and B-type controllers:
Setting default values of undervoltage conversion value is 187V, value can be set by user is 160V~200V, recovery value is the above voltage increased by 10V.
Setting default values of overvoltage conversion value is 263V, value can be set by user is 240V~290V, recovery value is the above voltage decreased by 10V.
Setting default values of conversion delay is 5s, value can be set by user is 0s~180s, (A-type controller), 0s~30s (B-type controller).
Setting default values of return delay is 5s, value can be set by user is 0s~180s (A-type controller), 0s~30s (B-type controller).
Setting default values of generator start delay is 5s, value can be set by user is 0s~180s, (A-type controller).
Setting default values of generator stop delay is 5s, value can be set by user is 0s~180s, (A-type controller).
Default settings of conversion and power mode is automatic change and automatic recovery (grid-grid), the user can set automatic change and non-automatic recovery (grid-grid), automatic change and automatic recovery (grid-power)
Terminal controllers (TXQ5B-63)
Operating value of under voltage conversion (75% ± 5%) Us, the recovery value is the above voltage value increased by 20V.
Value can be set by user of conversion delay is 0s~30s
Value can be set by user of return delay is 0s~30s
Generator stop delay 3s

6.5 Display and operation interface

A-type controller LED digital tube display

 

Liquid-crystal display of B-type controller

 

1. Display means that the common A-phase voltage is normal, the common A-phase voltage will be not displayed in overvoltage, undervoltage and no-voltage.
2. Display means that the common B-phase voltage is normal, the common B-phase voltage will be not displayed in overvoltage, undervoltage and no-voltage.
3. Display means that the common C-phase voltage is normal, the common C-phase voltage will be not displayed in overvoltage, undervoltage and no-voltage.
4. Display means that the standby A-phase voltage is normal, the standby A-phase voltage will be not displayed in overvoltage, undervoltage and no-voltage.
5. Display means that the standby B-phase voltage is normal, the standby B-phase voltage will be not displayed in overvoltage, undervoltage and no-voltage.
6. Display means that the standby C-phase voltage is normal, the standby C-phase voltage will be not displayed in overvoltage, undervoltage and no-voltage.
7. Indicates that the product is in the double-breaking state
8. Indicates that the controller is in manual control state
9. Indicates that the controller is in automatic operation state
10. Indicates that the switch closing is common
11. Indicates that the switch closing is standby
12. Display "auto-recovery" means automatic change and automatic recovery, display "no auto-recovery" means automatic change and non-automatic recovery
13. Indicates that the product is in tripping state
14. Common parameter display area
15. Standby parameter display area
16. Time unit is seconds
17. Time unit is seconds
18. Conversion delay sign
19. Return delay sign
20. Indicates the controller parameter setting status
21. Setting Button, Press this button to enter the setting state
22. Shift button in normal use, press the button for the voltage query, in the set state, press the button to shift backward
23. Up button in the setting state, press this button to increase the number
24. Down button in the setting state, press this button to decrease the number
25. Manual button in normal use, press this button to enter the manual state, in the manual state, the product will switch to the standby position if in a common position; the product will switch to the common position if in a standby position
26. Press auto button to enter the automatic control state
27. Double-breaking button in the manual mode, press the button to switch to the double-breaking position products; in the set state, to save and exit functions


Terminal type controller (TXQ5B-63)

 

The indicator light flashes

Product status
Conversion delay


On
Return delay

On
Common circuit breaker tripping On
On
Standby circuit breaker tripping
On
On
Conversion fault On On

Fire fighting linkage

On On

6.6 Parameter setting of A-type controller

 

Parameter setting of B-type controller

 

Key description
When the controller is working, press the setting key, the screen displays the parameter setting menu interface shown in the figure. In the setting menu, press " " key to scroll down to set option, press "double-breaking" key to save and exit the setting menu, press "▲" " " key to modify the parameter value.

 

Operation process of A-type and B-type controller

 

Operation process of terminal type controller (TXQ5B-63)

 

External wiring diagram of TXQ5 Automatic Transfer Switch

7.1 Wiring diagram of 3P products

7.2 Wiring diagram of 4P products

Note: QN Common side of the implementation of circuit breaker QR standby side of the implementation of circuit breakers

 

7.3 External wiring of A-type controller

External wiring of B-type controller

External wiring of terminal type controller (TXQ5B-63)

 

7.4 Typical applications (A type controller)

Wiring method

8.1 Upper wiring

8.2 Installation mode: vertical installation and horizontal installation

Outline and installation dimension

9.1 Outline and installation dimension of TXQ5-63~800 Automatic Transfer Switch


specification/Size A B E F G J K
3P 4P 3P 4P 3P 4P 3P 4P
TXQ5-63 355 380 240 200 40 52.5 132.5 145 178 24 11.5
TXQ5-100 390 420 240 200 43 58 148 163 194 24 9
TXQ5-225 435 470 240 200 41.5 59 170.5 188 225 36 18.5
TXQ5-400 565 615 330 225 43.5 68.5 232.5 257.5 304 61.5 36.5
TXQ5-630 682 740 330 225 43.5 74.5 291 320 385 89 60
TXQ5-800 720 790 350 225 44 79 310 345 396 84 49
specification/Size L M N O H H1 H2 H3 C D P
3P 4P
TXQ5-63 25 40 200 117 150 170 25 18/28 322 347 220 φ8
TXQ5-100 30 43 200 136 150 180 25 24 357 387 220 φ8
TXQ5-225 35 41.5 200 144 160 190 25 24 402 437 220 φ8
TXQ5-400 48 43.5 265 224 200 227 24 40 505 555 300 φ10
TXQ5-630 58 45.5 270 234 200 232 24 42 422 680 300 φ10
TXQ5-800 70 44 290 243 208 240 24 41.5 665 735 320 φ10

9.2 Hole size of A-type controller panel

Hole size of B-type controller panel

9.3 Outline and installation dimension of TXQ5B-63 Automatic Transfer Switch

Ordering Information

Users should specify the product model, current specifications, the number of poles and other information when ordering.
Such as: order TXQ5 Automatic Transfer Switch, frame current of 100A, rated current of 100A, breaking capacity of H-type, 4-pole, A-type controller.
That is written as: TXQ5-100H / 4100YAX


Keywords: Automatic Transfer Switch

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