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9. <strong>Technical</strong> data<br />
Power supply unit UPS, Order No. 77 3400 00<br />
Power supply unit UPS<br />
Input<br />
Order No. 77 3400 00<br />
Nominal input voltage 115 – 230 V AC<br />
Input voltage range 90 – 264 V AC<br />
Input frequency 47 – 63 Hz<br />
Input current 4 A at 115 V AC / 2 A at 230 V AC<br />
Start-up current surge 22 A at 115 V AC / 44 A at 230 V AC, typical<br />
Power factor 0.95 at 230 V AC / 0.98 at 115 V AC for full load<br />
Efficiency<br />
Output<br />
88%, typical<br />
Nominal output current 12.5 A DC<br />
Output voltage 24 V DC +/- 2%<br />
Output voltage in battery mode 26,5 – 19,5 V DC, typical<br />
Calculated output power 288 W<br />
Rippling of nominal output current < 100 mVeff<br />
Battery capacity 7 Ah<br />
Charge current 700 mA, typical<br />
Bridging time at nominal current approx. 17 min.<br />
Overload protection < 14 A<br />
Overvoltage protection, power supply unit 26.7 – 32.4 V DC<br />
Overtemperature protection<br />
Battery voltage thresholds<br />
75 °C +/- 5°C (power diode)<br />
output voltage switched off, automatic re-engaging<br />
Switching threshold for UPS mode Ua < 22.5 V, typical<br />
Switching threshold for warning before battery<br />
shut-down<br />
21.5 V, typical<br />
Switching threshold for total discharge<br />
protection<br />
19.5 V, typical<br />
EMC CE-certified EN 55022 Class B; ENV 50204<br />
EN 61000-3-2, -3; EN 61000-4-2, -3, -4, -5, -6, -8, -11<br />
Safety EN 60950<br />
Output Safety low voltage, SELV<br />
Test voltage PRI – SEC 3 kV<br />
Protection class I<br />
Protection (safety)<br />
Safety devices<br />
IP 20<br />
Battery fuse, internal 20 A FKS<br />
Charging fuse, internal (5 x 20) T 4.0 A<br />
Mains fusing, front plate (5 x 20) T 5.0 A<br />
Output fusing, bottom of unit<br />
General<br />
15 A FKS<br />
Cooling convection, free air flow<br />
Permissible ambient temperature 0 ... +50 °C<br />
Storage temperature -25 ... + 60 °C<br />
MTBF 100,000 hours (no for batteries)<br />
Weight approx. 9 kg<br />
Dimensions (HxWxD) 244 x 325 x 178 mm<br />
Mounting Wall mounting<br />
Connecting clamps Screw / plug-in connections<br />
© <strong>Tunstall</strong> <strong>GmbH</strong>, Orkotten 66, 48291 Telgte, Germany, www.tunstall.de, 00 8802 41, Rev. 3.1 (05/2008) English - 7<br />
<strong>Technical</strong> <strong>Manual</strong> Page 140