NYKP Series
Dual Power Automatic Transfer Switch
NYKP2 series（16A-3200A）
NYKP1 series（6A-630A）
Dual power automatic transfer switch is a power conversion equipment, featuring fast response, strong stability and high reliability; it has the protection functions for short circuit, grounding, phase loss and over-voltage; widely used in power plants, substations, coal mines, ports, factories, airports, and other important places for the protection of circuits and equipment safety, realizing intelligent control and management.
Dual power supplies are driven by motors and solenoids for fast.
The front end of the product can be set with an isolation switch or with isolation function,providing obvious line disconnection points to protect personal safety during maintenance.
| Model | Rated operating voltage Ue(V) | Casing current Inm(A) | Rated currentIn(A) | Number of poles | Rated short-circuit making capacity Icm（kA）Icm（kA） | Rated short-time withstand current Icw (kA) Icw（kA) | Use category |
| NYKP2-GA | AC400 | 100 | 16、20、25、32、40、50、63、80、100 | 3P、4P | 8 | 5kA/30ms | AC-33B |
| NYKP2-GA | 250 | 125、160、200、225、250 | 10kA/60ms | ||||
| NYKP2-GA | 630 | 315、350、400、500、630 | 12.6kA/60ms | ||||
| NYKP2-GA | 1600 | 800、1000、1250、1600 | 32kA/60ms | AC-33iB | |||
| NYKP2-GA | 3200 | 2000、2500、3200 | 50kA/1s |
| Model | Rated operating voltage Ue(V) | Casing current Inm(A) | Rated currentIn(A) | Number of poles | Rated short-circuit making and Breaking capacity Icm（kA） | Operation cycles times/hour | Rated short-time withstand current Icw (kA) Icw（kA) | Use category |
| NYKP2-SA、S、LA、L | AC230V(2P), AC400V(3P、4P) | 125 | 20、32、40、50、63、80、 100、125 | 2P、3P、4P | 25 | 120 | 10kA/30ms | AC-33B |
| NYKP2-SA、S、LA、L | 250 | 125、160、200、250 | 2P、3P、4P | 25 | 10kA/30ms | AC-33B | ||
| NYKP2-SA、S、LA、L | 630 | 250、315、400、500、630 | 2P、3P、4P | 30 | 12.6kA/60ms | AC-33B |
| Controller Model | NYKP2 Series | |
| Product model | y-701 | y-702 |
| Installation method | Split type | |
| Display mode | Indicator light display | LCD display |
| Rated working system | Uninterrupted working system | |
| Automatic charge and automatic recovery | ● | ● |
| Automatic charge without automatic recovery | ● | ● |
| Mutual backup | ● | ● |
| Automatic start generator function | ● | ● |
| Common power supply detection | Four-phase power loss detection, three-phase over-voltage and | |
| Backup power supply detection | Four-phase power loss detection, three-phase over-voltage and | |
| Passive fire protection input | ● | ● |
| Active fire protection input (DC9-36V)（DC9-36V） | ● | ● |
| Adjustable transfer delay | ● | ● |
| Real-time voltage display | 〇 | ● |
| Common and backup power supply indication | ● | ● |
| Adjustable overvoltage and undervoltage for common and backup power | ● | ● |
| Adjustable start and stop time of generator | ● | ●(F/F1) |
| Programmable output port | 〇 | ● |
| RS485Electrical energy measurement | 〇 | ● |
| Model | Rated operating voltage Ue(V) | Rated impulse withstand voltage Uimp(kV) | Casing current Inm(A) | Rated currentIn(A) | Number of poles | Rated short-circuit breaking capacity Icn (kA) | Rated short-circuit making capacity Icm（kA）Icm（kA） | Product code | Use category |
| NYKP1 | AC400 | 8 | 63 | 6、10、16、20、25、 32、40、50、63 | 3P、4P | 5 | 120 | M:Basic type M1: Fire extinguishing type | AC-33iB |
| Model | Rated operating voltage Ue(V) | Casing current Inm(A) | Rated currentIn(A) | Number of poles | Operating mode | Transfer time | Mechanical life（Times） | Electrical life (times) | Controller |
| NYKP1A | AC400 | 63 | 6、10、16、20、25、 32、40、50、63 | 4P | R(Automatic charge and automatic recovery) S(Automatic charge without automatic recovery) F(grid-power generation) |
≤2s | 10000 | 4500 | |
| NYKP1A | 125 | 63、80、100、125 | ≤3s+delay time | 7000 | 3000 | W2 W3 |
|||
| NYKP1A | 250 | 160、180、200、225、250 | 5000 | 2000 | |||||
| NYKP1A | 630 | 315、350、400、500、630 | 5000 | 2000 |
| Product model | NYKP1 Series | |
| Controller Model | W2 | W3 |
| Installation method | Split type | |
| Display mode | Digital display | LCD display |
| Rated working system | ||
| Automatic charge and automatic recovery | ● | ● |
| Automatic charge without automatic recovery | ● | ● |
| Mutual backup | ● | ● |
| Automatic start generator function | ● | ● |
| Common power supply detection | ● | ● |
| Backup power supply detection | ● | ● |
| Passive fire protection input | ● | ● |
| Active fire protection input (DC9-36V)（DC9-36V） | ● | ● |
| Adjustable transfer delay | ● | ● |
| Real-time voltage display | ● | ● |
| Common and backup power supply indication | ● | ● |
| Adjustable overvoltage and undervoltage for common and backup power | ● | ● |
| Adjustable start and stop time of generator | ● | ● |
| Programmable output port | ● | ● |
| RS485Electrical energy measurement | ● | ● |
| NYKP2 | 100 | GA | 4P | 100A | RF | Additional functions |
| Product code | Casing current | Product category | Pole No. | Rated current | Operating mode | Additional functions |
| NYKP2： Dual power automatic transfer switch |
100A 250A 630A 1600A 3200A |
GA: Electric motor type GA1: Electric motor type |
3P:3 pole 4P:4 pole |
16A、20A 25A、32A 40A、50A 63A、80A 100A、125A 160A、200A 225A、250A 315A、350A 400A、500A 630A、800A 1250A 1600A 2000A 2500A 3200A |
R:Automatic charge and automatic recovery S:Automatic charge without automatic recovery F:Grid generation RF:Automatic charge and automatic recovery+Grid generation |
Y-701 Y-702 |
| NYKP2 | 125 | SA | 4P | 100A | RF | Additional functions |
| Product code | Casing current | Product category | Pole No. | Rated current | Operating mode | Additional functions |
| NYKP2： Dual power automatic transfer switch |
125A 250A 630A |
SA: Integrated three-section type LA: Integrated two-section type S:Split three-section type L:Split two-section type |
2P:2 pole 3P:3 pole 4P:4 pole |
20A、32A、 40A、 50A、 63A、80A、 100A、125A、 160A、 200A、 250A、315A、 400A、500A、630A |
R:Automatic charge and automatic recovery S:Automatic charge without automatic recovery F:Grid generation RF:Automatic charge and automatic recovery+Grid generation |
Y-701 Y-702 |
Note:• GA series equipped with standard fire protection function
• GA1 series does not include fire protection function
• GA series with automatic charge without automatic recovery function should be equipped with Y-701/Y-702 controller
• GA series with communication function should be equipped with Y-702 controller
| NYKP1 | 63 | M | 3P | 63A | RF | C type |
| Product code | Casing current | Product category | Pole No. | Rated current | Operating mode | Tripping type |
| NYKP1： Dual power automatic transfer switch |
63A | Model M:Basic type M1 type：Fire protection type |
3P:3 pole 4P:4 pole |
6A、10A、 16A、 20A、 25A、32A、 40A、50A、 63A |
R:Automatic charge and automatic recovery S:Automatic charge without automatic recovery F:Grid generation RF:Automatic charge and automatic recovery+Grid generation |
C type D type |
Note: KLDCB1 is a CB grade dual power supply switch, the execution unit is a miniature circuit breaker, with C characteristics by default
| NYKP1A | 125 | 4P | 63A | RF | Additional functions |
| Product code | Casing current | Pole No. | Rated current | Operating mode | Additional functions |
| NYKP1A： Dual power automatic transfer switch |
63A 125A 250A 630A |
4P:4 pole | 6A、10A 16A、20A 25A、32A 40A、50A 63A、80A 100A、125A 160A、180A 200A、225A 250A、315A 350A、400A 500A、630A |
R:Automatic charge and automatic recovery S:Automatic charge without automatic recovery F:Grid generation RF:Automatic charge and automatic recovery+Grid generation |
W2 W3 T:Electrical energy measurement |
Note: The execution unit of NYKP1A is a miniature circuit breaker, with C characteristics by default. others are molded case circuit breaker.
NYKP2-G Series DUAL Power Supply
Rated operating voltage (V)：AC400
Current shell frame Inm (A) ：16、20、25、32、40、50、63、80、100
Number of poles：3P、4P
Rated short-circuit making capacity Icm（kA）lcm(kA)：8
Rated short-time withstand current Icw (kA) Icw(kA)：5kA/30ms
Use category：AC-33B
Rated operating voltage (V)：AC400
Current shell frame Inm (A) ：125、160、200、225、250
Number of poles：3P、4P
Rated short-circuit making capacity Icm（kA）lcm(kA)：8
Rated short-time withstand current Icw (kA) Icw(kA)：10kA/60ms
Use category：AC-33B
Rated operating voltage (V)：AC400
Current shell frame Inm (A) ：315、350、400、500、630
Number of poles：3P、4P
Rated short-circuit making capacity Icm（kA）lcm(kA)：8
Rated short-time withstand current Icw (kA) Icw(kA)：12.6kA/60ms
Use category：AC-33B
Rated operating voltage (V)：AC400
Current shell frame Inm (A) ：800、1000、1250、1600
Number of poles：3P、4P
Rated short-circuit making capacity Icm（kA）lcm(kA)：8
Rated short-time withstand current Icw (kA) Icw(kA)：32kA/60ms
Use category：AC-33iB
Rated operating voltage (V)：AC400
Current shell frame Inm (A) ：2000、2500、3200
Number of poles：3P、4P
Rated short-circuit making capacity Icm（kA）lcn(kA)：8
Rated short-time withstand current Icw (kA) Icw(kA)：50kA/1s
Use category：AC-33iB
NYKP2-LA/L/SA/S Series DUAL Power Supply
Rated operating voltage (V)：AC230V(2P)，AC400V(3P、4P)
Current shell frame Inm (A) ：20、32、40、50、63、80、100、125
Number of poles：2P、3P、4P
Rated short-circuit making and breaking capacityIcm (kA) lcm(kA)：25
Operation cycles times/hour：120
Rated short-time withstand current Icw (kA) Icw(kA)：10kA/30ms
Use category：AC-33iB
Rated operating voltage (V)：AC230V(2P)，AC400V(3P、4P)
Current shell frame Inm (A) ：125、160、200、250
Number of poles：2P、3P、4P
Rated short-circuit making and breaking capacityIcm (kA) lcm(kA)：25
Operation cycles times/hour：120
Rated short-time withstand current Icw (kA) Icw(kA)：10kA/30ms
Use category：AC-33iB
Rated operating voltage (V)：AC230V(2P)，AC400V(3P、4P)
Current shell frame Inm (A) ：250、315、400、500、630
Number of poles：2P、3P、4P
Rated short-circuit making and breaking capacityIcm (kA) lcm(kA)：30
Operation cycles times/hour：120
Rated short-time withstand current Icw (kA) Icw(kA)：12.6kA/60ms
Use category：AC-33iB
NYKP2 Series Dual Power Controller Summary
Installation method：Split type
Display mode：Indicator light display
Rated working system：Uninterrupted working system
Automatic charge and automatic recovery：have
Automatic charge without automatic recovery：have
Mutual backup：have
Automatic start generator function：have
Common power supply detection： Four-phase power loss detection, three-phase over-voltage and under-voltage detection
Backup power supply detection： Four-phase power loss detection, three-phase over-voltage and under-voltage detection
Passive fire protection input：have
Active fire protection input (DC9-36V)：have
Adjustable transfer delay：have
Real-time voltage display：not have
Common and backup power supply indication：have
Adjustable overvoltage and undervoltage for common and backup power：have
Adjustable start and stop time of generator：have
Programmable output port：not have
RS485 communication function：not have
Installation method：Split type
Display mode：LCD display
Rated working system：Uninterrupted working system
Automatic charge and automatic recovery：have
Automatic charge without automatic recovery：have
Mutual backup：have
Automatic start generator function：have
Common power supply detection： Four-phase power loss detection, three-phase over-voltage and under-voltage detection
Backup power supply detection： Four-phase power loss detection, three-phase over-voltage and under-voltage detection
Passive fire protection input：have
Active fire protection input (DC9-36V) ：have
Adjustable transfer delay：have
Real-time voltage display：have
Common and backup power supply indication：have
Adjustable overvoltage and undervoltage for common and backup power：have
Adjustable start and stop time of generator：have（F/F1）
Programmable output port：have
RS485 communication function：have
NYKP1 Series DUAL Power Supply
Rated operating voltage (V)：AC400V
Rated impulse withstand voltage Uimp(kV)：8
Current shell frame Inm (A) ：6、10、16、20、25、32、40、50、63
Number of poles：3P、4P
Rated ultimate breaking capacity lcm(kA)：5
Rated short-circuit making capacity Icm（kA）lcn(kA)：120
Product code ：M: Basic type M1: Fire extinguishing type
Use category：AC-33iB
NYKP1A Series DUAL Power Supply
Rated operating voltage (V)：AC400V
Rated impulse withstand voltage Uimp(kV)：8
Current shell frame Inm (A) ：6、10、16、20、25、32、40、50、63
Number of poles：4P
Operating mode ：R(Automatic charge and automatic recovery)、S(Automatic charge without automatic recovery)、F(grid-power generation)
Transfer time：≤2s
Mechanical life (times) ：10000
Electrical life (times) ：4500
Rated operating voltage (V)：AC400V
Rated impulse withstand voltage Uimp(kV)：8
Current shell frame Inm (A) ：63、80、100、125
Number of poles：4P
Operating mode ：R(Automatic charge and automatic recovery)、S(Automatic charge without automatic recovery)、F(grid-power generation)
Transfer time：≤3s+delay time
Mechanical life (times) ：7000
Electrical life (times) ：3000
Controller：W2、W3
Rated operating voltage (V)：AC400V
Rated impulse withstand voltage Uimp(kV)：8
Current shell frame Inm (A) ：160、180、200、225、250
Number of poles：4P
Operating mode ：R(Automatic charge and automatic recovery)、S(Automatic charge without automatic recovery)、F(grid-power generation)
Transfer time：≤3s+delay time
Mechanical life (times) ：5000
Electrical life (times) ：2000
Controller：W2、W3
Rated operating voltage (V)：AC400V
Rated impulse withstand voltage Uimp(kV)：8
Current shell frame Inm (A) ：315、350、400、500、630
Number of poles：4P
Operating mode ：R(Automatic charge and automatic recovery)、S(Automatic charge without automatic recovery)、F(grid-power generation)
Transfer time：≤3s+delay time
Mechanical life (times) ：5000
Electrical life (times) ：2000
Controller：W2、W3
NYKP1 Series Dual Power Controller Summary
Installation method：Split type
Display mode：Digital display
Rated working system：not have
Automatic charge and automatic recovery：have
Automatic charge without automatic recovery：have
Mutual backup：have
Automatic start generator function：have
Common power supply detection：have
Backup power supply detection：have
Passive fire protection input：have
Active fire protection input (DC9-36V) ：have
Adjustable transfer delay：have
Real-time voltage display：have
Common and backup power supply indication：have
Adjustable overvoltage and undervoltage for common and backup power：have
Adjustable start and stop time of generator：have
Programmable output port：have
RS485 communication function：have
Installation method：Split type
Display mode：LCD display
Rated working system：not have
Automatic charge and automatic recovery：have
Automatic charge without automatic recovery：have
Mutual backup：have
Automatic start generator function：have
Common power supply detection：have
Backup power supply detection：have
Passive fire protection input：have
Active fire protection input (DC9-36V)：have
Adjustable transfer delay：have
Real-time voltage display：have
Common and backup power supply indication：have
Adjustable overvoltage and undervoltage for common and backup power：have
Adjustable start and stop time of generator：have
Programmable output port：have
RS485 communication function：have
NYKP2-G Series DUAL Power Supply
Product code ：NYKP2: Dual power automatic transfer switch
Current shell frame ：100A、250A、630A、1600A、3200A
Product category ：GA、GA1
Pole code ：3P、4P
Rated current：16A、20A、25A、32A、40A、50A、63A、80A、100A、125A、160A、200A、225A、250A、315A、350A、400A、500A、630A、800A、1250A、1600A、2000A、2500A、3200A
Operating mode ：R:Automatic charge and automatic recovery、S:Automatic charge without automatic recovery、F:Grid generation、RF:Automatic charge and automatic recovery+Grid generation
Additional features：Y-701、Y-702
NYKP2-LA/L/SA/S Series DUAL Power Supply
Product code ：NYKP2: Dual power automatic transfer switch
Current shell frame ：125A、250A、630A
Product category：SA:Integrated three-section type、LA: Integrated two-section type 、S: Split three-section type、L:Split two-section type
Pole code ：2P、3P、4P
Rated current： 20A、32A、40A、50A、63A、80A、100A、125A、160A、200A、250A、315A、400A、500A、630A
Operating mode ：R:Automatic charge and automatic recovery、S:Automatic charge without automatic recovery、F:Grid generation、RF:Automatic charge and automatic recovery+Grid generation
Additional features：Y-701、Y-702
Note: GA series equipped with standard fire protection function
GA1 series does not include fire protection function
GA series with automatic charge without automatic recovery function should be equipped with Y-701/Y-702 controller
GA series with communication function should be equipped with Y-702 controller
NYKP1 Series DUAL Power Supply
Product code ：NYKP1: Dual power automatic transfer switch
Current shell frame ：63A
Product category：Type M: Basic type、Type M1: Fire protection type
Pole code ：3P、4P
Rated current：6A、10A、16A、20A、32A、40A、50A、63A
Operating mode ：R:Automatic charge and automatic recovery、F:Grid generation、RF:Automatic charge and automatic recovery+Grid generation
Tripping type：Type C 、Type D
Note: KLDCB1 is a CB grade dual power supply switch, the execution unit is a miniature circuit breaker, with C characteristics by default
NYKP1A Series DUAL Power Supply
Product code ：NYKP1A: Dual power automatic transfer switch
Current shell frame ：63A、125A、250A、630A
Pole code ：4P
Rated current：6A、10A、16A、20A、32A、40A、50A、63A、80A、100A、125A、160A、180A、200A、225A、250A、315A、350A、400A、500A、630A
Operating mode ：R:Automatic charge and automatic recovery、S:Automatic charge without automatic recovery、F:Grid generation、RF:Automatic charge and automatic recovery+Grid generation
Additional features：W2、W3、T: Communication function
Note: The execution unit of NYKP1A is a miniature circuit breaker, with C characteristics by default. others are molded case circuit breaker.
