Group: PULS
Catalog excerpts
Data sheet Input: 3 AC 400...500V Output: 24...28V / 720W 92.5% efficiency Ideal for parallel operation Simple fusing Output 3 AC 400...500 V, ± 15 % 47-63 Hz, Suitable for IT power systems Rated Tolerances • Continuous operation • Short term (1 min) at 24 V/30 A Input current Inrush current Inrush current limiting done with a fixed 47R resistor (not a thermistor) which is bridged after the unit is running, so losses are minimised. That means no reset time even at a warm-start. Fuse loading Output voltage 24...28 V DC, adjustable by (covered) front panel potentiometer. Adj. range guaranteed Output noise suppression EN 61000-6-3 (class B) is fulfilled even when using long, unscreened output cabels Ambient temperature range Tamb Operation: 0°C...+70°C (>60°C: Derating) Storage: -25°C...+85°C Rated continuous loading with convection cooling at Tamb=0°C - 60°C 24 V / 30 A (720 W) resp. 28 V / 26 A (728 W) Harmonic current emissions (PFC) Transient handling Active transient filter incorporated, so transient resistance acc.to VDE 0160 / W2 (1560 V / 1.3 ms), for all load conditions. > 10 ms at 400 V AC, 24 V / 30 A Voltage regulation better than 2% over all Ripple • Output charact. S • Output charact. P (incl. spikes (20 MHz bandw.), 50 Ω measurem.) < 20 mVPP (< 0.1 %) < 40 mVPP (In: 230VAC, Out: 24V/30A) < 100 mVPP (In: 184VAC, Out: 24V/30A) Over-voltage protection At 32 V ± 10%: switch to hiccup mode Front panel indicators: • Green LED on, when Vout > UT, where UT is ca. 2 V below Vout adjusted (24V...28V) • Red LED on, when 10 V < Vout< UT • Red LED flashes, when 0 V < Vout < 10 V Parallel operation 425,000 h @ 400 VAC, 360,000 h @ 480 VAC (Siemensnorm SN 29500 (Release 07.97), 24 V/30 A, Tamb = +40 °C) Life cycle (electrolytics) The unit exclusively uses longlife electrolytics, specified for +105°C (cf. ’The SilverLine’, p.2). High reliability and lifetime, as • only four aluminium electrolytics and • no small aluminium electrolytics are used. Construction / Mechanics * To achieve current sharing the output V/I characteristic can be altered to be 'softer' (25V at 0.4A, 24V at 30A). This is done by repositioning a bridge connection (without opening the unit). Power Back Immunity To be fused with a 3 x 10A, B-type 'circuit-breaker' switch based on the usual thermomagnetic overload sensing principle (used anyway to fuse the input lines; unit has no internal fuses). Input Input voltage Housing dimensions and Weight 240 mm x 124 mm x 112 mm (+ DIN rail) • WxHxD above/below 70 mm recommended • Free space for left/right 25 mm recommended ventilation 2.0 kg • Weight Design advantages: • All connection blocks are easy to reach as mounted at the front panel. • PVC insulated cable can be used for all connections, as the connection blocks are mounted in the cooler area on the underside of the unit. * For further information see data sheets „The SilverLine“, „SilverLine Family Branches“ and mechanics data sheet Order information Order number Screw mounting set, two needed per unit
Open the catalog to page 1Data sheet Start / Overload Behaviour Rise time Duration of switch-on attempts at ca. 1.4 s • Initial application on mains • Subsequent ca. 0.5 s attempts Hiccup operation at Duration between switch-on attempts Vout range 24,00 Output Voltage Uout / V Startup delay Electronic current limiting, protects against overload and short circuit: • Vout < ca. 10 V: Periodical switch-on attempts (hiccup-mode). • Vout > ca. 10 V: The output current is continuous. The V/I characteristic of the supply is straight. Vout < ca. 10V: Hiccup mode Output Current Iout [A] Advantages of the switch-on/overload...
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