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Specifications
Line Transient Protection: Passes ANSI/IEEE C62.41 Category A testing.
Safety Compliance: Model U: UL listed to UL1778.
Model E: TUV/GS listed.
EMC Compliance: Model U: FCC Class B.
Model E: CISPR 22 Class B, Vfg 243-91/46-92 B, EN55022, CE Mark Self-certified
to: CE Marking Directive 93/68/EEC, Low Voltage Directive 73/23/EEC
Noise (RF) Suppression: Full-time EMI/RFI filtering.
Efficiency: > 95% on line.
Capacity VA/Watts @ 0.67 P.F.: 250VA / 168W; 425VA / 285W; 600VA / 400W
(Maximum total output current: 10A)
Voltage Nominal: Model U: 120 VAC, Model E: 230 VAC
Voltage Range: Model U: 100-142 VAC, on utility; operating on battery 0-100 VAC and 142-160 VAC
Model E: 192-278 VAC, on utility; operating on battery 0-192 VAC and 278-290 VAC
Frequency: 50/60 Hz auto-sensing 57-63 Hz (60 Hz); 47-53 Hz (50 Hz) (50/60 Hz ± 1 Hz on battery.)
Typical Runtime (minutes): 250VA and 425VA Models: Full load: 3 minutes. Typical load: 5 minutes.
600VA Models: Full load: 2.5 minutes. Typical load: 5 minutes.
Transfer Time: 4 ms typical.
Telephone line surge suppression for U models: per IEC1000-4-5: 1.2/50
m
sec waveform, ± 2kV peak,
Compliant to UL497A.
Battery: Sealed, maintenance-free, valve-regulated, UL 924 recognized.
250 VA Models: One 12 V or two 6 V, 4.2 AH batteries. Nominal Voltage is 12 VDC.
425 VA Models: One 12 V 7.0 AH battery. Nominal Voltage is 12 VDC.
600 VA Models: One 12 V 9.0 AH battery. Nominal Voltage is 12 VDC.
Battery Recharge Time (to 95% of capacity) All Models: 8 hours with output fully loaded.
Surge Energy Capacity: 450 joules.
Overcurrent Protection (on line) All Models: Circuit Breaker.
Input Fault Current (maximum): 250E, 425E, and 600E Models: 15 A.
AC input Plug/Cord Information:
250U, 425U, and 600U Models: NEMA 5-15P, cord attached.
250E, 425E, and 600E Models: C14 recessed socket.
AC Output Distribution:
250U, 425U, and 600U Models: NEMA 5-15R; (4) UPS and Surge Protected; (2) Surge
Protected only.
Best Power reserves the right to change specifications without prior notice.