

1. modular design, N+X redundancy, hot plugging
2. Strong load adaptability and loading capacity, and excellent power grid applicability
3. overall efficiency>95%, input power factor> 0.99, (THDi)<3%
4. Dual DSP for independent control of power module, no single point of failure
5. Digital control of rectification, inverter, charging and discharging via DSP
6. Integrated and packaged IGBT
7. LCD+LED Touch screen display, easier to maintenance
8. battery management system
9. Parallel connection via the parallel card
10. Easy to install, space-saving.
11. Redundancy and intelligent adjustable-speed fan, low noise, low power consumption
12. Integrated distribution systemwith low investment by user
13. Good matching performance with motor
14. DC Starting(cold boot) for easy operation
15. Three-proofing treatment of all circuit boards.
16. Optional Standard battery bank or extension battery bank

BKH Series Specification
M1-10KVA per module
Model (full configured ) BKH-M1A |
BKH-M1A-G30K |
BKH-M1A-G60K |
BKH-M1A-G100K |
BKH-M1A-G120K |
Capacity |
10KVA-30KVA |
10KVA-60KVA |
10KVA-100KVA |
10KVA-120KVA |
Power module capacity |
10KVA |
Power module weight |
14KG |
Power module number(MAX) |
3 |
6 |
10 |
12 |
Physical parameter |
Power module size (W*D*H) |
19"*509mm*"2U |
Power module weight |
14KG/unit |
Cabinet size (W*D*H)mm |
600*800*1600 |
600*800*2000 |
Cabinet weight |
180 |
197 |
245 |
260 |
Mains input(AC ) |
Phase |
3 phase 4 wires/single phase 2 wires+G |
Voltage range |
291~492V (line-line) full load; |
Frequency range |
30Hz~80Hz |
THDi |
<3% |
Power factor |
0.995 |
Bypass range |
-10%~10% (can customized -10%~-30%, +10%~+20%) |
Battery |
Connection type |
positive and negative battery supply |
Rated voltage |
+/- 384VDC (+/-32*12V series) |
Battery number |
64pcs/set |
Charging current |
20% * system power(battery capacity) |
Output(inverter) |
Output voltage |
3 phase 380VAC/1 phase 220VAC +G |
Voltage regulation |
<+/-1% |
Phase lock range |
50Hz/60Hz +/-5Hz;(self frequency 50Hz/60Hz+/-0.01Hz) |
Output frequency |
50Hz/60Hz+/-0.01Hz (if phase locked then mains frequency) |
Power factor |
0.9 |
Crest factor |
3:1 |
THDu |
THD<1.0% (linear load), THD<3%(non-linear load) |
Three phase voltage unbalance degree |
alance load: 0.2% 100% unbalance load : 0.5% |
Dynamic voltage transient range |
<2% |
Transient Recorery Time |
0ms |
Three phase voltage deviation |
mains:0.1; battery :0.1 |
Overload capacity |
125% for 10min: 150% for 1min; >150% for 200ms (linear load) |
System efficiency |
>94% |
Environment indicator |
Noise |
<60dB @100%load, cooling fan adopt intelligent speed control |
Display |
touch screen LCD+LED |
Interface |
standard: RS232, RS485, dry contacts, SNMP card optional |
Operation temperature |
temperature: -10C ~+40C; humidity 0%~98%; storage temperature -25C~+75C Altitude(m): <1000, 1000m-2000m above every 100m reduce 1% |
IP class |
IP30( Removable dust filter) |
NOTES: subject to change without further notice! |
M2-20KVA per module
Model |
BKH-M2A-T60K |
BKH-M2A-T100K |
BKH-M2A-T160K |
BKH-M2A-T200K |
Capacity |
20KVA-60KVA |
20KVA-100KVA |
20KVA-160KVA |
20KVA-200KVA |
Power module capacity |
20KVA |
Module size(W*D*H) |
19"*690mm*"3U |
module weight |
28KG/unit |
Mains input(AC ) |
Phase |
3 phase +N+PE |
Voltage range |
291~492 V(line-line) full load; 200V~291V linearly decrease |
Frequency range |
35Hz~70Hz |
THDi |
<3%(full linear load) |
Power factor |
0.995 |
Bypass range |
-10%~10% (can customized -10%~-30%, +10%~+20%) |
Battery |
Connection type |
positive series and negative series battery |
Rated voltage |
+/- 240VDC (positive and negative each 20pcs*12V series), can customized |
Battery number |
40pcs/set (can customize 30~50pcs/set optional) |
Charging current |
20% * system power(battery capacity) |
Output(inverter) |
Output voltage |
380VAC 3 phase 4 wires+PE |
Voltage regulation |
<+/-1% |
Phase lock range |
50Hz/60Hz +/-5Hz;(self frequency 50Hz/60Hz+/-0.01Hz) |
Output frequency |
50Hz/60Hz+/-0.01(turn into mains frequency if phase locked) |
Power factor |
1 |
Crest factor |
3:1 |
THDu |
THD<2.0% (linear load), THD<3%(non-linear load) |
Three phase voltage unbalance degree |
balance load: 0.5% 100% unbalance load : 1% |
Dynamic voltage transient range |
<3% |
Transient Recorery Time |
0ms |
Three phase voltage deviation |
mains:0.4; battery :0.3 |
Transfer time |
mains to battery: 0ms; inverter to bypass: 0ms |
Overload capacity |
125% for 10min: 150% for 1min; >150% for 200ms (linear load) |
System efficiency |
>96% |
Environment indicator |
Noise |
<60dB @100%load, cooling fan adopt intelligent speed control |
Display |
touch screen LCD+LED |
Interface |
standard: RS232, RS485, dry contacts, SNMP card optional |
Operation temperature |
temperature: -10C ~+40C; humidity 0%~98%; storage temperature -25C~+75C Altitude(m): <1000, 1000m-2000m above every 100m reduce 1% |
IP class |
IP30( Removable dust filter) |
Physical parameter |
Cabinet size (W*D*H)mm |
600*800*1250 |
600*1100*2000 |
600*1100*2000 |
Cabinet weight |
130 |
295 |
305 |
310 |
Modules No.(Max) |
3 |
5 |
8 |
10 |
NOTES: subject to change without further notice! |
M3-30KVA per module
Model |
BKH-M3A-T90K |
BKH-M3A-T150K |
BKH-32A-T240K |
BKH-M3A-T300K |
Capacity |
30KVA-90KVA |
30KVA-150KVA |
30KVA-240KVA |
30KVA-300KVA |
Power module capacity |
30KVA |
Module size(W*D*H) |
19"*690mm*"3U |
module weight |
36KG/unit |
Mains input(AC ) |
Phase |
3 phase +N+PE |
Voltage range |
291~492 V(line-line) full load; 200V~291V linearly decrease |
Frequency range |
35Hz~70Hz |
THDi |
<3%(full linear load) |
Power factor |
0.995 |
Bypass range |
-10%~10% (can customized -10%~-30%, +10%~+20%) |
Battery |
Connection type |
positive series and negative series battery |
Rated voltage |
+/- 240VDC (positive and negative each 20pcs*12V series), can customized |
Battery number |
40pcs/set (can customize 30~50pcs/set optional) |
Charging current |
20% * system power(battery capacity) |
Output(inverter) |
Output voltage |
380VAC 3 phase 4 wires+PE |
Voltage regulation |
<+/-1% |
Phase lock range |
50Hz/60Hz +/-5Hz;(self frequency 50Hz/60Hz+/-0.01Hz) |
Output frequency |
50Hz/60Hz+/-0.01(turn into mains frequency if phase locked) |
Power factor |
1 |
Crest factor |
3:1 |
THDu |
THD<2.0% (linear load), THD<3%(non-linear load) |
Three phase voltage unbalance degree |
balance load: 0.5% 100% unbalance load : 1% |
Dynamic voltage transient range |
<3% |
Transient Recorery Time |
0ms |
Three phase voltage deviation |
mains:0.4; battery :0.3 |
Transfer time |
mains to battery: 0ms; inverter to bypass: 0ms |
Overload capacity |
125% for 10min: 150% for 1min; >150% for 200ms (linear load) |
System efficiency |
>96% |
Environment indicator |
Noise |
<65dB @100%load, cooling fan adopt intelligent speed control |
Display |
touch screen LCD+LED |
Interface |
standard: RS232, RS485, dry contacts, SNMP card optional |
Operation temperature |
temperature: -10C ~+40C; humidity 0%~98%; storage temperature -25C~+75C Altitude(m): <1000, 1000m-2000m above every 100m reduce 1% |
IP class |
IP30( Removable dust filter) |
Physical parameter |
Cabinet size (W*D*H)mm |
600*800*1250 |
600*1100*2000 |
600*1100*2000 |
Cabinet weight |
130 |
295 |
305 |
310 |
Modules No.(Max) |
3 |
5 |
8 |
10 |
NOTES: subject to change without further notice! |
M4-40KVA per module
Model |
BKH-M4A-T120K |
BKH-M4A-T200K |
BKH-M7A-T320K |
BKH-M4A-T520K |
Capacity |
40KVA-120KVA |
40KVA-200KVA |
40KVA-320KVA |
40KVA-520KVA |
Power module capacity |
40KVA |
Module size(W*D*H) |
19"*690mm*"3U |
module weight |
39KG/unit |
Mains input(AC ) |
Phase |
3 phase +N+PE |
Voltage range |
291~492 V(line-line) full load; 200V~291V linearly decrease |
Frequency range |
35Hz~70Hz |
THDi |
<3%(full linear load) |
Power factor |
0.995 |
Bypass range |
-10%~10% (can customized -10%~-30%, +10%~+20%) |
Battery |
Connection type |
positive series and negative series battery |
Rated voltage |
+/- 240VDC (positive and negative each 20pcs*12V series), can customized |
Battery number |
40pcs/set (can customize 30~50pcs/set optional) |
Charging current |
20% * system power(battery capacity) |
Output(inverter) |
Output voltage |
380VAC 3 phase 4 wires+PE |
Voltage regulation |
<+/-1% |
Phase lock range |
50Hz/60Hz +/-5Hz;(self frequency 50Hz/60Hz+/-0.01Hz) |
Output frequency |
50Hz/60Hz+/-0.01(turn into mains frequency if phase locked) |
Power factor |
1 |
Crest factor |
3:1 |
THDu |
THD<2.0% (linear load), THD<3%(non-linear load) |
Three phase voltage unbalance degree |
balance load: 0.5% 100% unbalance load : 1% |
Dynamic voltage transient range |
<3% |
Transient Recorery Time |
0ms |
Three phase voltage deviation |
mains:0.4; battery :0.3 |
Transfer time |
mains to battery: 0ms; inverter to bypass: 0ms |
Overload capacity |
125% for 10min: 150% for 1min; >150% for 200ms (linear load) |
System efficiency |
>96% |
Environment indicator |
Noise |
<68dB @100%load, cooling fan adopt intelligent speed control |
Display |
touch screen LCD+LED |
Interface |
standard: RS232, RS485, dry contacts, SNMP card optional |
Operation temperature |
temperature: -10C ~+40C; humidity 0%~98%; storage temperature -25C~+75C Altitude(m): <1000, 1000m-2000m above every 100m reduce 1% |
IP class |
IP30( Removable dust filter) |
Physical parameter |
Cabinet size (W*D*H)mm |
600*800*1250 |
600*1100*2000 |
600*1100*2000 |
1200*1100*2000 |
Cabinet weight |
130 |
295 |
305 |
578 |
Modules No.(Max) |
3 |
5 |
8 |
13 |
NOTES: subject to change without further notice! |
M5-50KVA per module
Model |
BKH-M5A-T200K |
BKH-M5A-T300K |
BKH-M5A-T500K |
BKH-M5A-T600K |
Capacity |
50KVA-200KVA |
50KVA-300KVA |
50KVA-500KVA |
50KVA-600KVA |
Power module capacity |
50KVA |
Module size(W*D*H) |
19"*690mm*"3U |
module weight |
39KG/unit |
Mains input(AC ) |
Phase |
3 phase +N+PE |
Voltage range |
291~492 V(line-line) full load; 200V~291V linearly decrease |
Frequency range |
35Hz~70Hz |
THDi |
<3%(full linear load) |
Power factor |
0.995 |
Bypass range |
-10%~10% (can customized -10%~-30%, +10%~+20%) |
Battery |
Connection type |
positive series and negative series battery |
Rated voltage |
+/- 240VDC (positive and negative each 20pcs*12V series), can customized |
Battery number |
40pcs/set (can customize 30~50pcs/set optional) |
Charging current |
20% * system power(battery capacity) |
Output(inverter) |
Output voltage |
380VAC 3 phase 4 wires+PE |
Voltage regulation |
<+/-1% |
Phase lock range |
50Hz/60Hz +/-5Hz;(self frequency 50Hz/60Hz+/-0.01Hz) |
Output frequency |
50Hz/60Hz+/-0.01(turn into mains frequency if phase locked) |
Power factor |
0.9 |
Crest factor |
3:1 |
THDu |
THD<2.0% (linear load), THD<3%(non-linear load) |
Three phase voltage unbalance degree |
balance load: 0.5% 100% unbalance load : 1.5% |
Dynamic voltage transient range |
<3% |
Transient Recorery Time |
0ms |
Three phase voltage deviation |
mains:0.4; battery :0.3 |
Transfer time |
mains to battery: 0ms; inverter to bypass: 0ms |
Overload capacity |
125% for 10min: 150% for 1min; >150% for 200ms (linear load) |
System efficiency |
>95% |
Environment indicator |
Noise |
<70dB @100%load, cooling fan adopt intelligent speed control |
Display |
touch screen LCD+LED |
Interface |
standard: RS232, RS485, dry contacts, SNMP card optional |
Operation temperature |
temperature: -10C ~+40C; humidity 0%~98%; storage temperature -25C~+75C Altitude(m): <1000, 1000m-2000m above every 100m reduce 1% |
IP class |
IP30( Removable dust filter) |
Physical parameter |
Cabinet size (W*D*H)mm |
600*800*1250 |
600*1100*2000 |
1200*1100*2000 |
Cabinet weight |
295 |
305 |
578 |
600 |
Modules No.(Max) |
4 |
6 |
10 |
12 |
NOTES: subject to change without further notice! |


The main parts of the BKH Modular ups.
Some modules we produced in the factory.

Q: Why choose us?
A: We are China Leading ups&solar system Manufacturer, 11 years experience in producing and marketing
ups & solar products.
100% QC inspection Before Shipment.
Best Quality & Best Service with Competitive price.
Good after-sale service: 2 years warranty and if possible we provide on-site installation and repairing
All of our products have the CE certificate, ISO9001,ISO14001,OHSAS18000,TLC authentication, and Chinese
energy conservation certification
Market covers the 100 cities and countries all over the world. Have branch office in Pakistan, Australia, etc.
If you have some problems about FEPS series Emergency power supply , or want to know more details about 3 phase ups,3 phase ups system,480 volt 3 phase ups,3 phase ups price,3 phase ups specification,etc. Welcome to contact us!
Looking forward to your inquiry.
BKH series high capacity modular ups, Modular UPS (3-Phase), Smart Online 100kVA Modular 3-Phase UPS System, World's Top Uninterruptible Power Supply Manufacturers