77 0700 00 - Page 2 - Tunstall GmbH

Power supply unit
77 3401 00
General description
Power supply unit for supplying the nurse call sys‐
tem with safety extra-low voltage (SELV), com‐
pliant with EN 60950. The number of rooms, that
can be connected, is project specific.
Wide range input for international use.
Short-circuit and overload protected.
Control LEDs and contact output for transmission
of the active operation status.
Closed housing in protection class I. Designed for
wall mounting in rooms.
Technical data
Input
Nominal input voltage: 115 - 230 V AC
Voltage range: 90 - 264 V AC
Input frequency: 50 - 60 Hz
Input current: 4 A at 115 V AC
2 A at 230 V AC
Output
Nominal output voltage: 24 V DC +/- 2%
Output current: 12 A
Output power: 288 W
Approvals
Safety: EN 60950, SELV
EMC, CE certified: EN 55022 class B
ENV 50204; EV 61000-3-2
EN 61000-4-2, -3, -4, -5, -6, -8, -11
Protection class: Class I
Degree of protection: IP 20
Connections
Mains input: Direct mains connection
via internal screw clamp
Outputs: Pluggable via clamp
General
Order number Product name Notes
77 3401 00 Power supply unit
Ambient temperature: 0 ... +50 °C
Storage temperature: -25 ... +60 °C
MTBF: 100000 hours
Weight.: 2 kg
Dimensions (HxWxD): 244 x 325 x 178 mm
Colour: RAL 7035 Light grey
Tunstall GmbH, Orkotten 66, 48291 Telgte, Germany, www.tunstall.de Flamenco Data Sheet Date 08/2010 Specifications are subject to change without notice.
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