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Technical Manual - Tunstall GmbH

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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

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