	Price
Call.

NB31 TRUE ON-LINE DOUBLE CONVERSION SINE WAVE UPS (LED and LCD DISPLAY)

Property

• Latest IGBT technology for highest reliability • 100% backup guarantee with no break power • Zero time static bypass • Computer interface • Input voltage 380/415 Vac ± 20% three phase • Output voltage 220/240 Vac ± 1% single phase • Built-in output isolation transformer • Crystal controlled frequency 50/60 Hz ± 0.1% • LED and LCD display • Surge, spike, blackout, brownout, overload and short circuit protection • EMI/RFI and power line noise protection • Double overload protection • Battery equalize function (option) • Output frequency synchronization range selectable • Manual controlled transfer switch 3 modes selectable • SNMP/HTTP monitor capability (option)

Usability

LEONICS UPS with range from 350 VA to 250 kVA is also widely used to protect electronic equipment such as computer networks, PABX, telecommunications, medical and scientific equipment, etc. from blackout, brownout, surge, spike, noise and frequency drift.

Attribute

Specification

MODEL		NB 0831	NB 1031	NB 1231	NB 1531	NB 2031	NB 2531	NB 3031	NB 4031
CAPACITY	Pf. = 0.8	8 kVA 6.4 kW	10 kVA 8 kW	12 kVA 9.6 kW	15 kVA 12 kW	20 kVA 16 kW	25 kVA 20 kW	30 kVA 24 kW	40 kVA 32 kW
INPUT	Voltage Voltage range Frequency	380 Vac 3 phase 4 wires 380 Vac ± 20% 50 Hz ± 6% at nominal voltage
OUTPUT	Voltage Frequency Wave form Total harmonic distortion Transient condition Overload capability Crest factor ratio Protection	220 Vac ± 1% nominally locked to line frequency, free running 50 Hz ± 0.1% (crystal controlled) pure sine wave (sinusoidal) less than 3% at full linear load <5% for 100% instantaneous load variation 150% for 1 min., 125% for 10 min. 3:1 overload, over voltage, under voltage, short circuit proof and battery low voltage shutdown
EFFICIENCY	AC to AC (at full load)	88%	90%	90%	91%	91%	92%	92%	92%
BATTERY	Type	sealed lead acid (maintenance free) rechargeable
	Voltage	360 Vdc
	Standard backup time	> 12 min.	> 10 min.	> 12 min.	> 10 min.	> 10 min.	> 10 min.	> 10 min.	> 7 min.
	Special backup time	15 - 60 min.
	Recharge time	6-8 hours to 90% after full load discharge
AUTOMATIC BYPASS SWITCH	Capability	300% for 5 minutes 1500% for 1 cycle
SURGE PROTECTION	Standard	UL recognized surge protection to std.1449
	Energy absorption	400 joules (10/100 microsec. wave form)
	Surge current capability	40 kA (8/20 microsec. wave form)
TRANSFER TIME	Mains fail or recover	zero time (true online UPS)
	UPS to bypass and vice versa	zero time (make before break) after overload return to normal
MANUAL CONTROLS	Maintenance bypass switch	yes
	Automatic bypass switch	mode selectable : automatic bypass, inverter only, bypass only (option)
INDICATOR	Front panel LED's	main 1 input / rectifier ,main 2 input, inverter, inverter supply, automatic bypass, maintenance bypass, low battery, over temperature, fault, battery level, load level
	LCD Display	main 1 input voltage (V12 input voltage, V23 input voltage, V31 input voltage), main 2 input voltage, output voltage, % load, % battery
AUDIBLE ALARM	Two tones with reset for silence	mains failure, fault, over temperature, battery approaches final discharge
AUTOMATIC DETECTIVE AND SHUTDOWN WHEN NO LOAD		yes
COMMUNICATION	Dry contract (DB 9)	yes
	SNMP / HTTP capability	option (internal or external)
ACOUSTIC NOISE	At 1 metre	<55 dBA
FEATURE	Voltage free contact	main, inverter, static switch, battery, alarm and UPS fault status (standard)
	Remote panel	option
	Hot stand-by config	standard
ENVIRONMENT	Temperature	0°C to 40°C
	Humidity	0 - 95% (non-condensing)
WEIGHT (Approximate in kg.)	UPS	191.5		237.5		337	458		510
	Battery cabinet	173				350
PHYSICAL DIMENSIONS (Approximate in cm.)	UPS (W x H x D)	43 x 94.2 x 83				43x110x83	65 x 94.2 x 88
	Battery (W x H x D)	43 x 31.2x 86.5				43 x 78.4 x 86.5
	UPS include battery (W x H x D) (battery stack on UPS)	43 x 125.4 x 86.5 seperate (UPS and battery cabinet)